Electromagnetic environment analysis system, electromagnetic environment analysis method, and storage medium

Abstract

In the electromagnetic environment analysis system of the present application, an image producing section produces an image of information related to a measurement value at a position corresponding to a measurement position of each measurement value. A plurality of zones are set. A zone determining section determines, based on the position information, a zone corresponding to the measurement position of each measurement value among the plurality of zones of the display range of the information related to the measurement value in the image. A display information determining section determines information related to the display of the zone based on the measurement value corresponding to the zone. The display information determining section calculates a representative value from two or more measurement values when two or more measurement values measured at mutually different times correspond to one zone, and determines the information displayed in the zone based on the representative value.

Description

TECHNICAL FIELD

[0001] The present application relates to an electromagnetic environment analysis system, an electromagnetic environment analysis method, and a storage medium. BACKGROUND

[0002] A device that analyzes an electromagnetic environment is known. For example, Japanese Patent Application Publication No. 2013-238581 discloses a device that acquires measurement values related to an electromagnetic environment and displays information related to the measurement values. The device causes the information related to the acquired measurement values to correspond to a plurality of divisions that distinguish display ranges of a display section, and displays the information related to the measurement values for each division. SUMMARY

[0003] Analysis of an electromagnetic environment is performed in various uses. For example, in an EMC (electromagnetic compatibility) test of an electronic device, it is analyzed from where electromagnetic waves are generated from the device. In the device described in Patent Literature 1, a signal generated from a measurement target object is measured by moving a sensor. The measured measurement values are associated with a plurality of divisions that distinguish display ranges of a display section, respectively, in accordance with positions at which the measurement values are measured. The measurement results are represented by colors based on the measurement values of each division.

[0004] In this case, if measurement is performed for each division, there is no problem in displaying the measurement results for each division because the measurement values and the divisions become a one-to-one relationship. However, in order to synchronize a timing at which measurement is performed and a position at which measurement is performed, various complicated controls are required, and the device structure is complicated. In consideration of measurement errors, there is a demand to perform measurement a plurality of times in one division.

[0005] An object of one embodiment of the present application is to provide an electromagnetic environment analysis system that can display more appropriate measurement results for each division while suppressing complication of a device structure. An object of another embodiment of the present application is to provide an electromagnetic environment analysis method that can simply display more appropriate measurement results for each division. An object of still another embodiment of the present application is to provide a storage medium that stores a program that can be read by a computer and that can simply display more appropriate measurement results for each division.

[0006] An electromagnetic environment analysis system of one embodiment of the present application includes a measurement information acquisition unit, a position information acquisition unit, and an image creation unit. The measurement information acquisition unit acquires a plurality of measurement values related to an electromagnetic environment. The position information acquisition unit acquires position information related to a measurement position at which each measurement value is measured. The image creation unit creates an image in which information related to a measurement value is displayed at a position corresponding to a measurement position of the measurement value. The image creation unit includes a division determination unit and a display information determination unit. The division determination unit determines a division corresponding to a measurement position of each measurement value, from a plurality of divisions which form a display range of information related to a measurement value in the image, on the basis of the position information. The display information determination unit determines information related to the display of a division on the basis of a measurement value corresponding to the division. When two or more measurement values measured at different times correspond to one division, the display information determination unit calculates a representative value from the two or more measurement values and determines information related to the display of the division on the basis of the representative value.

[0007] In the electromagnetic environment analysis system, when two or more measurement values measured at different times correspond to one division, a representative value is calculated from the two or more measurement values and information related to the display of the division is determined on the basis of the representative value. Thus, the electromagnetic environment analysis system performs two-stage processing of calculation of a representative value and determination of display information on the basis of the representative value, and thus, even when there are a plurality of measurement values in one division, an appropriate measurement result can be displayed for each division. For example, even when a measurement value is not acquired in synchronization with a time at which measurement is performed and a position at which measurement is performed, although measurement is performed a plurality of times in one division, an appropriate measurement result can be displayed for each division.

[0008] In the above one embodiment, the measurement information acquisition unit can acquire additional information corresponding to each measurement value. The additional information can include at least one of information related to the intensity of an electromagnetic wave, information related to the phase of an electromagnetic wave, information related to the frequency component of an electromagnetic wave, and information related to a time at which measurement is performed. The display information determination unit can calculate a representative value from two or more measurement values on the basis of the additional information. In this case, a more appropriate representative value can be calculated from two or more measurement values.

[0009] In the above one embodiment, the plurality of measurement values can include a plurality of measurement values related to electromagnetic waves of different frequency components. The display information determination unit can select at least one measurement value from two or more measurement values on the basis of a frequency component and calculate a representative value from the selected at least one measurement value. In this case, when there are two or more measurement values in one division, an appropriate measurement result related to an electromagnetic wave of a desired frequency component can be displayed.

[0010] In the one embodiment described above, the plurality of measurement values can include a plurality of first measurement values related to the electromagnetic wave of the first frequency component and a plurality of second measurement values related to the electromagnetic wave of the second frequency component. The display information determination section can determine first information related to the display of the region on the basis of the first measurement value corresponding to the region and determine second information related to the display of the region on the basis of the second measurement value corresponding to the region. When two or more first measurement values measured at mutually different times correspond to one region, the display information determination section can calculate a first representative value from the two or more first measurement values and determine the first information related to the display of the region on the basis of the first representative value. In this case, an appropriate measurement result can be displayed for each of the electromagnetic waves of different frequency components in each region.

[0011] In the one embodiment described above, the display information determination section can determine the information related to the display of the region using a maximum value, a minimum value, a median value, or a mode value of the two or more measurement values as a representative value. In this case, the desired measurement value can be the representative value.

[0012] In the one embodiment described above, the display information determination section can calculate an average value of the two or more measurement values and determine the information related to the display of the region using the calculated average value as a representative value. In this case, the desired measurement value can be the representative value.

[0013] In the one embodiment described above, the image creation section can further include a region setting section and a re-setting determination section. The region setting section can set the plurality of regions constituting the display range. The re-setting determination section can determine whether to re-set the plurality of regions. When the re-setting determination section determines to re-set the plurality of regions, the region setting section, the region determination section, and the display information determination section perform the following processing. The region setting section can re-set the plurality of regions forming the display range from a plurality of first regions to a plurality of second regions each having a different size from the first regions. The region determination section can determine a second region corresponding to the measurement position of each measurement value among the plurality of second regions on the basis of the position information. The display information determination section can determine information related to the display of the second region on the basis of the measurement value corresponding to the second region. When two or more measurement values measured at mutually different times correspond to one second region, the display information determination section can calculate a representative value from the two or more measurement values and determine the information related to the display of the second region on the basis of the calculated representative value. In this case, the size of the region can be changed in accordance with the measurement situation. Even when the size of the region is changed, an appropriate measurement result can be displayed for each region.

[0014] In one of the above-described aspects, the sensor that sequentially detects information related to the electromagnetic environment can be included, and an operation section operated by the user can be further provided. The measurement information acquisition section can acquire a plurality of measurement values based on the information detected by the sensor.

[0015] In one of the above-described aspects, a display section that displays the image created by the image creation section can be further provided.

[0016] In an electromagnetic environment analysis method according to another aspect of the present application, a plurality of measurement values related to an electromagnetic environment are acquired, position information related to measurement positions at which each of the measurement values is measured is acquired, and an image in which information related to the measurement values is displayed at positions corresponding to the measurement positions of the measurement values is created. In the creation of the image, a region corresponding to each of the measurement values is determined among a plurality of regions that divide a display range in which the information related to the measurement values is displayed in the image, based on the position information, and information related to the display of the region is determined based on the measurement value corresponding to the region. In the determination of the information related to the display of the region, when two or more measurement values measured at mutually different times correspond to one region, a representative value is calculated from the two or more measurement values, and the information related to the display of the region is determined based on the representative value.

[0017] In a computer-readable storage medium according to a further aspect of the present application, a program for use in an electromagnetic environment analysis method is stored, which causes a computer to execute a process of acquiring a plurality of measurement values related to an electromagnetic environment, a process of acquiring position information related to measurement positions at which each of the measurement values is measured, and a process of creating an image in which information related to the measurement values is displayed at positions corresponding to the measurement positions of the measurement values. In the creation of the image, a region corresponding to each of the measurement values is determined among a plurality of regions that divide a display range in which the information related to the measurement values is displayed in the image, based on the position information, and information related to the display of the region is determined based on the measurement value corresponding to the region. In the determination of the information related to the display of the region, when two or more measurement values measured at mutually different times correspond to one region, a representative value is calculated from the two or more measurement values, and the information related to the display of the region is determined based on the representative value.

[0018] The present application will be more fully understood from the detailed description given hereinbelow and the accompanying drawings which are given by way of illustration only, and thus, are not to be considered as limiting the present application.

[0019] From the detailed description given hereinabove and the accompanying drawings given by way of illustration, the further scope of the present application will be apparent to those skilled in the art. It is thus intended that all such changes and modifications be included within the scope of the claims forming the present application. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a block diagram of the electromagnetic environment analysis system of the present embodiment.

[0021] Figure 2 is a diagram showing an example of a measurement target.

[0022] Figure 3 is a diagram showing a state of a display range in which a measurement result is displayed.

[0023] Figure 4 is a diagram showing a state in which a measurement position is detected.

[0024] Figure 5 is a diagram showing a measurement position for each division.

[0025] Figure 6 (a) of FIG. 10 and Figure 6 (b) of FIG. 10 are diagrams showing a division definition table used in setting of a division.

[0026] Figure 7 (a) of FIG. 11 and Figure 7 (b) of FIG. 11 are diagrams for explaining setting of a division.

[0027] Figure 8 is a diagram for explaining determination of a division.

[0028] Figure 9 is a diagram for explaining determination of a color.

[0029] Figure 10 is a diagram showing an example of a hardware structure of the electromagnetic environment analysis system.

[0030] Figure 11 is a flowchart showing a measurement method using the electromagnetic environment analysis system.

[0031] Figure 12 is a flowchart showing a marker detection process.

[0032] Figure 13 is a flowchart showing a display process of a measurement result.

[0033] Figure 14 is a flowchart showing an example of a division re-setting process.

[0034] Figure 15 is a diagram for explaining an action of division re-setting.

[0035] Figure 16 is a diagram for explaining an action of division re-setting.

[0036] Figure 17is a diagram for explaining an action of reconfiguration of a region.

[0037] Figure 18 is a diagram for explaining an action of reconfiguration of a region. DETAILED DESCRIPTION

[0038] Hereinafter, an embodiment of the present application will be described in detail with reference to the accompanying drawings. In the description of the drawings, the same or equivalent elements are denoted by the same symbols, and repeated description will be omitted.

[0039] First, the configuration of the electromagnetic environment analysis system according to the present embodiment will be described with reference to Figures 1 to 10 The function and the structure of the electromagnetic environment analysis system according to the present embodiment will be described. Figure 1 is a block diagram of the electromagnetic environment analysis system. The electromagnetic environment analysis system 1 is a system that performs measurement relating to an electromagnetic environment and displays a measurement result as an image. The electromagnetic environment analysis system 1 measures an electromagnetic field as the measurement relating to the electromagnetic environment. The electromagnetic environment analysis system 1 measures, for example, an electromagnetic field generated by a measurement target. The electromagnetic field is generated, for example, by an electromagnetic wave transmitted from the measurement target. The electromagnetic field is not limited to a magnetic field generated by an electromagnetic wave of an extremely low frequency. The measurement of the electromagnetic field includes the measurement of the electromagnetic wave. Hereinafter, the measurement relating to the electromagnetic environment will also be simply referred to as "measurement".

[0040] The measurement target includes, for example, various devices such as an electronic component, a substrate on which the electronic component is mounted, and a power supply device. Figure 2 An example of the measurement target is shown. Figure 2 The measurement target 5 shown is a wireless charger. The measurement target 5 includes an electronic substrate 6 and a power supply coil 7. The measurement target 5 supplies power to an electronic device such as a smartphone by wireless from the power supply coil 7 in a state connected to a power source.

[0041] The electromagnetic environment analysis system 1 displays a result image corresponding to the position at which the measurement is performed and the measurement result. In the present embodiment, the electromagnetic environment analysis system 1 displays a composite image in which the result image is overlapped with a captured image in which the measurement target is captured. As a modification of the present embodiment, the electromagnetic environment analysis system 1 can display the result image on a display of a transmission type without making the composite image. The electromagnetic environment analysis system 1 can be, for example, a head-mounted display of a video see-through type or an optical see-through type.

[0042] In the present embodiment, the electromagnetic environment analysis system 1 acquires the captured image while performing the measurement, and updates and displays the result image. Therefore, the user can perform the measurement of a desired position while referring to the result image. As a modification of the present embodiment, the electromagnetic environment analysis system 1 can make and display the result image based on the measurement result of the measurement already performed.

[0043] As described above, the electromagnetic environment analysis system 1 according to the present embodiment can display the result image in which the result of the measurement relating to the electromagnetic environment is overlapped with the captured image in which the measurement target is captured. Therefore, the user can easily recognize the result of the measurement relating to the electromagnetic environment. Figure 1As shown, the electromagnetic environment analysis system 1 is provided with the range determination marker 2 and the electromagnetic environment analysis device 3. The range determination marker 2 is arranged in the actual space, and is a marker for determining a range in which a measurement result is displayed or a range in which a measurement is performed. By "arranged in the actual space", it is meant that the range determination marker 2 is not arranged virtually on an image. Hereinafter, a range determined by the range determination marker 2 will be referred to as a "display range". The range determination marker 2 is physically separated from the electromagnetic environment analysis device 3, and is arranged at a position determined in advance in the actual space by a user. The range determination marker 2 has a feature point that can be recognized by the electromagnetic environment analysis device 3 to recognize a three-dimensional position of the range determination marker 2 in the actual space. For example, the range determination marker 2 includes a two-dimensional code or the like having such a feature point. The two-dimensional code includes, for example, three-dimensional position information of the range determination marker 2. The three-dimensional position information is information that can specify a three-dimensional position of the range determination marker 2 itself. In other words, the range determination marker 2 has information that can specify a position at which a captured image is captured in the actual space and a relative position of the range determination marker 2. If the electromagnetic environment analysis device 3 can recognize a position of the range determination marker 2 in the actual space, the range determination marker 2 is not limited to this manner.

[0044] In the present embodiment, as shown in Figures 3 to 5 , the range determination marker 2 includes a plurality of range determination markers 2a, 2b. Each of the plurality of range determination markers 2a, 2b is arranged at a position determined in advance. In the present embodiment, each of the range determination markers 2a, 2b has three-dimensional position information by a two-dimensional code or the like. Each of the range determination markers 2a, 2b, although not having information that can specify a three-dimensional position as a single body, has information that can specify a position within a captured image. In Figures 3 to 5 , two range determination markers 2a, 2b are arranged around the measurement target object 5. In Figures 3 to 5 , as shown in the example described above, the measurement target object 5 is a wireless charger. The measurement target object 5 performs an operation in a state in which a smartphone 8 is arranged on a power supply coil 7. For example, a display range RA in which a measurement result is displayed is a rectangle, and the display range RA is determined with respect to a diagonal line with two range determination markers 2a, 2b as reference points. The top left corner of the display range RA is determined by the range determination marker 2a, and the bottom right corner of the display range RA is determined by the range determination marker 2b.

[0045] In the present embodiment, as shown in Figures 3 to 5 , the electromagnetic environment analysis device 3 determines a display range RA in which a measurement result is displayed by recognizing the range determination marker 2. In a modified example of the present embodiment, the electromagnetic environment analysis device 3 can also determine a measurement range in which a measurement is performed in the actual space by recognizing the range determination marker 2.

[0046] As shown in Figure 1As shown in FIG. 1, the electromagnetic environment analysis device 3 has an operation section 10 and a main body section 20. The operation section 10 and the main body section 20 are connected by wire or wirelessly. The operation section 10 includes a sensor 11 and a sensor marker 12. As shown in FIG. 2, the operation section 10 is configured at a desired measurement position by a user. The operation section 10 is moved by the user with respect to the measurement object 5. The operation section 10 can be moved by the user by hand, or can be moved by the user by electronic operation through a mechanism. The sensor 11 is located in the actual space and sequentially detects information related to the electromagnetic environment. The sensor 11 sequentially detects a signal set as an object. The sensor 11 includes, for example, an antenna, an electric field probe, or a magnetic field probe. The sensor 11 transmits the detected signal to the main body section 20. The sensor 11 detects, for example, at least one of information related to the intensity of at least one of an electric field or a magnetic field, information related to the intensity of an electromagnetic wave, information related to the phase of an electromagnetic wave, and information related to the waveform of an electromagnetic wave, as detection information. The detection information includes, for example, a current value or a voltage value generated at the electric field probe or the magnetic field probe. The sensor 11 transmits the detected detection information to the main body section 20. Figure 4 and Figure 5 As shown in FIG. 2, the operation section 10 is configured at a desired measurement position by a user. The operation section 10 is moved by the user with respect to the measurement object 5. The operation section 10 can be moved by the user by hand, or can be moved by the user by electronic operation through a mechanism. The sensor 11 is located in the actual space and sequentially detects information related to the electromagnetic environment. The sensor 11 sequentially detects a signal set as an object. The sensor 11 includes, for example, an antenna, an electric field probe, or a magnetic field probe. The sensor 11 transmits the detected signal to the main body section 20. The sensor 11 detects, for example, at least one of information related to the intensity of at least one of an electric field or a magnetic field, information related to the intensity of an electromagnetic wave, information related to the phase of an electromagnetic wave, and information related to the waveform of an electromagnetic wave, as detection information. The detection information includes, for example, a current value or a voltage value generated at the electric field probe or the magnetic field probe. The sensor 11 transmits the detected detection information to the main body section 20.

[0047] The sensor marker 12 is configured on the sensor 11 in the actual space and moves together with the sensor 11. In other words, the sensor 11 and the sensor marker 12 also move by the movement of the operation section 10 by the user. The sensor marker 12 is a marker for acquiring the position of the sensor 11 in the actual space. The sensor marker 12, like the range determination marker 2, has a feature point at which the electromagnetic environment analysis device 3 can recognize the three-dimensional position of the sensor marker 12 in the actual space by image recognition. For example, the sensor marker 12 includes a two-dimensional code or the like pattern having such a feature point. The two-dimensional code includes, for example, three-dimensional position information of the sensor marker 12. If the electromagnetic environment analysis device 3 can recognize the position of the sensor marker 12 in the actual space, the sensor marker 12 is not limited to this form. The sensor marker 12 does not have information capable of specifying a three-dimensional position as a single body, but has information capable of specifying a position within a captured image.

[0048] As shown in FIG. 3, the main body section 20 has a photographing section 21, a storage section 22, a measurement processing section 23, a display section 24, and a display control section 25. The photographing section 21, the storage section 22, the measurement processing section 23, the display section 24, and the display control section 25 can be housed in one frame, or can be divided into a plurality of frames. In the case of being housed in a plurality of frames, they can be connected to each other by wire or wirelessly. Figure 1

[0049] ​The imaging section 21 sequentially images an imaging image in an actual space. The imaging section 21 images at a predetermined time interval. The imaging section 21 delivers the imaging image to the display control section 25. In the present embodiment, the imaging section 21 is provided to a frame body held by the user. The imaging section 21 is moved by the user. The imaging section 21 changes the position and the posture by the operation of the user.

[0050] The storage section 22 stores data acquired in advance and data obtainable from various functional sections in the main body section 20. The storage section 22 stores, for example, data obtained from the imaging section 21, the measurement processing section 23, and the display control section 25.

[0051] The measurement processing section 23 obtains detection information detected in the sensor 11, processes the obtained detection information, and outputs the processed detection information as measurement information. The measurement information corresponds to a measurement result. The measurement processing section 23 functions as, for example, a spectrum analyzer, a network analyzer, or an oscilloscope. The measurement processing section 23 delivers the measurement information to the display control section 25. The measurement information includes a plurality of measurement values related to the electromagnetic environment and additional information corresponding to each measurement value. The measurement values include various physical values. In the present embodiment, the measurement values are values indicating the intensity of electromagnetic waves and correspond to the measurement result. For example, the measurement values in the present embodiment are values indicating the intensity of electric fields or magnetic fields. The additional information includes, for example, at least one of information related to the intensity of electromagnetic waves, information related to the phase of electromagnetic waves, information related to the frequency component of electromagnetic waves, and information related to the time of measurement.

[0052] The measurement processing section 23 obtains a plurality of measurement values related to the electromagnetic environment based on the detection result of the sensor 11. The measurement processing section 23, for example, processes the detection information detected in the sensor 11 and calculates the intensity of a plurality of frequency components as measurement information in each measurement. The measurement processing section 23, for example, sets the intensity of each frequency component as a measurement value in each measurement position. For example, the measurement processing section 23 calculates the intensity of 100 to 500 frequency components in a predetermined frequency band.

[0053] The display section 24 displays at least one of the imaging image in the imaging section 21 and the measurement image produced in the display control section 25. The measurement image is an image representing the measurement information processed in the measurement processing section 23. The display section 24 includes a display that displays an image. In the present embodiment, the display section 24 is provided to the same frame body as the imaging section 21. The display section 24 is moved by the user together with the imaging section 21. As a modification of the present embodiment, the display section 24 can also display an image in a display outside the electromagnetic environment analysis system 1.

[0054] The display control section 25 controls the display of the display section 24. The display control section 25 creates an image displayed in the display section 24 based on at least one of the captured image of the capturing section 21 and the measurement information of the measurement processing section 23. As shown in Figure 1 The display control section 25 includes a position information acquisition section 31, a display range determination section 32, a position relationship judgment section 33, a measurement information acquisition section 34, and an image creation section 35.

[0055] The position information acquisition section 31 acquires position information related to the measurement position at which each measurement value is measured. The position information acquisition section 31 calculates the position information related to the measurement position based on, for example, the captured image in the capturing section 21. As shown in Figure 1 The position information acquisition section 31 includes a captured image acquisition section 41, a marker detection section 42, and a marker position calculation section 43. The captured image acquisition section 41 acquires the captured image from the capturing section 21. In other words, the captured image acquisition section 41 acquires the captured image captured sequentially in the actual space.

[0056] The marker detection section 42 detects at least one of the range determination marker 2 and the sensor marker 12 based on the captured image acquired in the captured image acquisition section 41. In the present embodiment, at least one of the range determination marker 2 and the sensor marker 12 is detected from one captured image. The marker detection section 42 detects the feature points of each range determination marker 2. The marker detection section 42 detects the feature points of the sensor marker 12.

[0057] The marker position calculation section 43 calculates the position of at least one of the range determination marker 2 and the sensor marker 12 based on the detection result of the marker detection section 42. The marker position calculation section 43 calculates the relative position of the range determination marker 2 and the sensor marker 12 based on the detection result of the range determination marker 2 and the detection result of the sensor marker 12. In the present embodiment, the marker position calculation section 43 calculates the position of at least one of the range determination marker 2 and the sensor marker 12 in the captured image. As a modification of the present embodiment, the marker position calculation section 43 can also calculate the three-dimensional position of at least one of the range determination marker 2 and the sensor marker 12 in the actual space.

[0058] In the present embodiment, the marker position calculation section 43 calculates the three-dimensional position of each range determination marker 2 based on the feature points of each range determination marker 2 detected in the marker detection section 42. For example, as shown in Figures 3 to 5 The marker position calculation section 43 calculates the position PI of the corner of the two-dimensional code of each range determination marker 2 in the actual space as the vertex of the display range from the feature points of each range determination marker 2. In the present embodiment, the marker position calculation section 43 has the feature points of the sensor marker 12 detected in the marker detection section 42, and calculates the three-dimensional position of the sensor marker 12. For example, as shown in Figure 4 andFigure 5 As shown, the marker position calculating section 43 calculates the position P2 of the corner of the two-dimensional code of the sensor marker 12 in the actual space based on the feature points of the sensor marker 12. The position P2 of the sensor marker 12 corresponds to the position of the sensor 11. The position of the sensor 11 at the measurement time corresponds to the measurement position. Hereinafter, the position of the sensor 11 is referred to as "sensor position".

[0059] The display range determining section 32 determines the display range RA in which information related to the measurement value is displayed in the image based on the detection result of the marker detecting section 42. The display range determining section 32 determines the display range RA in which the measurement information is displayed in the display section 24 based on the position of the range determination marker 2 calculated in the marker position calculating section 43. In the present embodiment, the display range determining section 32 determines the display range RA based on the positions of the two range determination markers 2 calculated in the marker position calculating section 43, for example. For example, the marker position calculating section 43 calculates the position PI of the range determination marker 2a or the size of the region defined by the range determination markers 2a and 2b based on the detection result of the marker detecting section 42. For example, as shown in FIG. 6, the display range determining section 32 determines the display range RA as a rectangular region whose two vertices are the positions PI of the range determination markers 2a and 2b. In other words, the display range determining section 32 determines the display range RA as a quadrangular region whose diagonal line is the line section connecting the positions PI of the range determination markers 2a and 2b, for example. Figures 3 to 5 As shown, the display range determining section 32 determines the display range RA as a rectangular region whose two vertices are the positions PI of the range determination markers 2a and 2b. In other words, the display range determining section 32 determines the display range RA as a quadrangular region whose diagonal line is the line section connecting the positions PI of the range determination markers 2a and 2b, for example.

[0060] The marker position calculating section 43 can also calculate the size of one range determination marker 2 based on the detection result of the marker detecting section 42. For example, the marker position calculating section 43 can acquire information related to the relative position of the photographing section 21 and the range determination marker 2 from the size of the range determination marker 2. In this case, the display range determining section can also determine the display range RA of the size corresponding to the information related to the relative position of the photographing section 21 and the range determination marker 2. For example, the display range determining section 32 can determine the radius of the above-mentioned circle based on the size of one range determination marker 2 calculated by the marker position calculating section 43.

[0061] The position relationship judging section 33 judges the position relationship between the display range RA determined by the display range determining section 32 and the sensor position calculated by the marker position calculating section 43. For example, the position relationship judging section 33 judges whether the sensor position is located within the display range RA. For example, the position relationship judging section 33 judges whether the position P2 of the sensor marker 12 is located within the display range RA.

[0062] The measurement information acquisition section 34 acquires measurement information from the measurement processing section 23. In other words, the measurement information acquisition section 34 acquires a plurality of measurement values related to the electromagnetic environment and additional information corresponding to each measurement value. The measurement information acquisition section 34 acquires the plurality of measurement values output from the measurement processing section 23 based on the detection information detected by the sensor 11. The measurement information acquisition section 34 passes the acquired measurement information to the image production section 35. The measurement information acquisition section 34, for example, associates the measurement positions with the measurement values and stores them in the storage section 22. The measurement information acquisition section 34 can also acquire the measurement values and the measurement positions associated with each other from the storage section 22.

[0063] The image production section 35 produces an image that displays information related to the measurement values at positions corresponding to the measurement positions of the measurement values. The image produced in the image production section 35 is displayed in the display section 24, for example. The image production section 35 produces the image based on the detection result of the marker detection section 42. The image production section 35 produces a result image that corresponds the measurement positions calculated in the marker position calculation section 43 to the measurement result. In the present embodiment, the result image contains at least one of information indicating the sensor position, information indicating the display range RA, and information indicating the measurement result. For example, as shown in FIG. 6, the result image indicates the display range RA and indicates the measurement result within the display range RA. The image production section 35 produces a result image that indicates only the display range RA in a case where the measurement value corresponding to the display range RA is not acquired. In the present embodiment, the image production section 35 produces a composite image in which the result image coincides with the captured image. As shown in FIG. 7, the image production section 35 contains a division processing section 51, a display information determination section 52, and a compositing section 53. Figure 4 Figure 5 As shown in FIG. 6, the information indicating the sensor position is a circle P3 centered on the measurement position. For example, the result image indicates the display range RA and indicates the measurement result within the display range RA. The image production section 35 produces a result image that indicates only the display range RA in a case where the measurement value corresponding to the display range RA is not acquired. In the present embodiment, the image production section 35 produces a composite image in which the result image coincides with the captured image. As shown in FIG. 7, the image production section 35 contains a division processing section 51, a display information determination section 52, and a compositing section 53. Figure 1

[0064] As shown in FIG. 6, the information indicating the sensor position is a circle P3 centered on the measurement position. For example, the result image indicates the display range RA and indicates the measurement result within the display range RA. The image production section 35 produces a result image that indicates only the display range RA in a case where the measurement value corresponding to the display range RA is not acquired. In the present embodiment, the image production section 35 produces a composite image in which the result image coincides with the captured image. As shown in FIG. 7, the image production section 35 contains a division processing section 51, a display information determination section 52, and a compositing section 53. Figure 5 The division processing section 51 performs processing of setting a plurality of divisions PA within the display range RA. The plurality of divisions PA are regions that divide the display range RA. In other words, the display range RA is formed by the plurality of divisions PA. In other words, the plurality of divisions PA are regions that divide the display range RA in which the measurement result is displayed in the result image produced in the image production section 35. Each division PA is larger than the resolution of the measurement position. Figure 5 As shown in FIG. 6, the information indicating the sensor position is a circle P3 centered on the measurement position. For example, the result image indicates the display range RA and indicates the measurement result within the display range RA. The image production section 35 produces a result image that indicates only the display range RA in a case where the measurement value corresponding to the display range RA is not acquired. In the present embodiment, the image production section 35 produces a composite image in which the result image coincides with the captured image. As shown in FIG. 7, the image production section 35 contains a division processing section 51, a display information determination section 52, and a compositing section 53. Figure 1 As shown in FIG. 6, the information indicating the sensor position is a circle P3 centered on the measurement position. For example, the result image indicates the display range RA and indicates the measurement result within the display range RA. The image production section 35 produces a result image that indicates only the display range RA in a case where the measurement value corresponding to the display range RA is not acquired. In the present embodiment, the image production section 35 produces a composite image in which the result image coincides with the captured image. As shown in FIG. 7, the image production section 35 contains a division processing section 51, a display information determination section 52, and a compositing section 53.

[0065] ​​The zoning setting unit 61 sets multiple zones PA within the display range RA. In other words, the zoning setting unit 61 sets multiple zones PA by differentiating the display range RA that displays information related to the measured value. In other words, the display range RA is formed by multiple zones PA. In this embodiment, the zoning setting unit 61 refers to a zoning definition table pre-stored in the storage unit 22 and sets multiple zones PA based on the information shown in the zoning definition table. Figure 6 (a) and Figure 6 (b) represents an example of a zone definition table. Storage unit 22, for example, pre-stores multiple zone definition tables 71 and 72. Each zone definition table 71 and 72 defines the structure of multiple zones forming the display range RA. The multiple zone definition tables 71 and 72 define the structure of each zone PA within the distinguished display range RA based on mutually different numbers. In other words, the structure of each zone PA is defined based on mutually different numbers when distinguishing the display range RA.

[0066] For example, the zoning setting unit 61 sets the zoning definition table used for judgment in the zoning determination unit 62 based on the multiple zoning definition tables 71 and 72 pre-stored in the storage unit 22. Figure 6 Table 71, which shows the zoning definition, is shown in (a). Figure 6 The partition definition table 72 shown in (b) indicates the size and number of the multiple partitions PA that form the display area RA, as well as the location of each partition PA. The partition definition table can also indicate the number of times the display area RA is divided. Figure 7 (a) indicates the status of the display range RA based on the zoning definition table 71. Figure 7 (b) indicates the state of the display range RA based on the zoning definition table 72. By changing the zoning definition table, the zoning PA changes from zoning PA1 to zoning PA2. The number of display ranges RA distinguished by zoning definition table 71 and zoning definition table 72 is different. The sizes of zoning PA1 and zoning PA2 are different from each other. The size of each zoning PA represented in zoning definition table 72 is smaller than the size of each zoning PA represented in zoning definition table 71.

[0067] The zoning determination unit 62 determines the zoning PA corresponding to the measurement position of each measurement value among multiple zoning PAs based on the position information acquired by the position information acquisition unit 31. In this embodiment, the zoning determination unit 62 calculates the coordinates of the measurement position P4 within the display range RA, i.e., the coordinates of the position P2 of the sensor mark 12, based on the relative position of the range determination mark 2 and the sensor mark 12 calculated by the mark position calculation unit 43. For example, the zoning determination unit 62 calculates the coordinates of the position P2 of the sensor mark 12 with the position P1 of the range determination mark 2a as the origin. The zoning determination unit 62 determines the zoning PA corresponding to the measurement value based on the calculated coordinates. In this embodiment, the zoning determination unit 62 determines the zoning PA corresponding to the measurement position of each measurement value based on the zoning definition table set in the zoning setting unit 61. The zoning determination unit 62 stores the determination result in the storage unit 22, for example.

[0068] Figure 8 This represents an example of measurement information stored in storage unit 22 after the zoning determination unit 62 determines the zoning. Figure 8 In the middle, the storage unit 22 stores measurement information D1 to D4 that associates the X and Y coordinates representing the measurement position with the measurement value. Figure 8 The column for zoning indicates the determination result of the zoning determination department 62. Figure 8 In the example shown, the zoning PA corresponding to the measurement location of each measurement value is determined based on the X and Y coordinates representing the measurement location and the zoning definition table 71.

[0069] The resetting determination unit 63 determines whether to reset multiple zones PA by the zone setting unit 61. In other words, the resetting determination unit 63 determines whether to change the size of the multiple zones PA that form the display area RA. If the resetting determination unit 63 determines that multiple zones PA should be reset, the zone setting unit 61 resets the multiple zones PA by changing the number of zones PA that form the display area RA. For example, the zone setting unit 61 resets the multiple zones PA by changing the number of zones that differentiate the display area RA. For example, if the resetting determination unit 63 determines that multiple zones PA should be reset, the zone setting unit 61 changes the zone definition table. In this case, the zone setting unit 61 changes the referenced zone definition table from, for example... Figure 6 The zoning definition table 71 shown in (a) has been changed to Figure 6 (b) shows the zoning definition table 72. When the resetting determination unit 63 determines that multiple zones PA need to be reset, the zoning setting unit 61, for example, changes the zoning definition table to change the multiple zones PA that form the display range RA from... Figure 7 The multiple zones PA1 shown in (a) are then set as Figure 7 The multiple zones PA2 shown in (b)

[0070] When the re-setting of the plurality of zones PA is performed by the zone setting section 61, the zone determination section 62 determines the zone PA corresponding to the measurement position of each measurement value among the re-set plurality of zones PA. In other words, the zone determination section 62 re-determines the zone PA corresponding to the measurement position of each measurement value based on the changed zone definition table. For example, in a case where the re-setting determination section 63 determines to re-set the plurality of zones PA and the zone setting section 61 re-sets the plurality of zones PA2, the zone determination section 62 determines the zone PA2 corresponding to the measurement position of each measurement value among the plurality of zones PA2 based on the position information.

[0071] In the present embodiment, the re-setting determination section 63 determines to perform the re-setting in a case where a predetermined condition is satisfied in the process within the electromagnetic environment analysis device 3. For example, the re-setting determination section 63 determines to perform the re-setting in a case where the number of the zones PA corresponding to the measurement values exceeds a predetermined number. In other words, the re-setting determination section 63 determines to perform the re-setting in a case where the number of the zones PA in which the measurement results are displayed exceeds a predetermined value. The re-setting determination section 63 determines to perform the re-setting in a case where, for example, the proportion of the number of the zones PA corresponding to the measurement values to the number of divisions of the display range RA exceeds a predetermined value. The "number of divisions of the display range RA" is the number in which the display range RA is divided, that is, the number of the zones PA forming the display range RA. The re-setting determination section 63 prohibits the re-setting of the plurality of zones PA in a case where the number of times of the re-setting of the plurality of zones PA exceeds a predetermined number.

[0072] The re-setting determination section 63 can determine to re-set the plurality of zones PA in a case where at least one of a plurality of conditions set in advance is satisfied. The size of each zone re-set by the zone setting section 61 can be different depending on the satisfied condition. In other words, the number in which the display range RA is divided can be different depending on the satisfied condition.

[0073] The plurality of conditions can be operations or calculations by mutually different users, or can be different times or numbers of input of the same operation or calculation. For example, the zone setting section 61 can re-set the plurality of zones PA in a case where a condition such as a first input operation by a user is satisfied, and can re-set the plurality of zones PA again in a case where a condition such as a second input operation by the user is satisfied. In this case, the size of each zone re-set by the zone setting section 61 in a case where the condition such as the first input operation is satisfied can be smaller than the size of each zone re-set by the zone setting section 61 in a case where the condition such as the second input operation is satisfied. In other words, the size of each zone re-set by the zone setting section 61 in a case where a first condition is satisfied can be smaller than the size of each zone re-set by the zone setting section 61 in a case where a second condition satisfied before the first condition is satisfied.

[0074] As a modification of the present embodiment, the re-setting determination section 63 can also determine that re-setting is performed in accordance with a prescribed input operation performed by the user. For example, in a case where a switch is operated by the user, the re-setting determination section 63 can also determine that re-setting is performed. For example, the re-setting determination section 63 determines that a prescribed condition is satisfied in processing in the electromagnetic environment analysis device 3 and that a prescribed input operation is performed by the user in accordance with a state of a flag.

[0075] The display information determination section 52 determines information displayed in the display section 24. For example, information determined by the display information determination section 52 is displayed as an image in the display section 24. The display information determination section 52 determines, for example, information used in production of a result image. The display information determination section 52 determines information related to display of each division PA on the basis of a measured value corresponding to each division PA. The display information determination section 52 determines information displayed in a division PA corresponding to a measured value. In the present embodiment, the display information determination section 52 determines information displayed in a division PA having no corresponding measured value as Null. As a modification of the present embodiment, the display information determination section 52 can not determine information in a division PA having no corresponding measured value.

[0076] In a case where the re-setting determination section 63 determines that a plurality of divisions PA are re-set, the display information determination section 52 determines information related to display of a division PA on the basis of a measured value corresponding to the re-set division PA. For example, in a case where the re-setting determination section 63 determines that a plurality of divisions PA are re-set and the division setting section 61 re-sets a plurality of divisions PA2, the display information determination section 52 determines information related to display of the division PA2 on the basis of a measured value corresponding to the division PA2.

[0077] The display information determination section 52 determines a representative value from, for example, a measured value corresponding to each division PA, and determines information related to display of each division PA on the basis of the representative value. The information related to display of each division PA is, for example, a color displayed in each division PA. The information related to display of each division PA can not be a color, but a number or a symbol indicating the representative value. In the present embodiment, the display information determination section 52 determines a representative value in a division PA having no corresponding measured value as Null. The display information determination section 52 determines, in a case where the representative value corresponding to a division PA is Null, information such that the division PA is set to be colorless or not displayed.

[0078] The display information determination section 52 determines a color displayed in each division PA from, for example, a magnitude of a measured value corresponding to each division PA. For example, the display information determination section 52 determines a color displayed in each division PA to be a color corresponding to a magnitude of a measured value in the color distribution table 55 shown in Fig. 6. Figure 9 The display information determination section 52 determines a color displayed in each division PA from, for example, a magnitude of a measured value corresponding to each division PA. For example, the display information determination section 52 determines a color displayed in each division PA to be a color corresponding to a magnitude of a measured value in the color distribution table 55 shown in Fig. 6.Figure 9 In this case, the arrow V indicates a measured value in a certain division PA. In Figure 9 In this case, the larger the measured value, the higher the density of the color displayed in each division PA. For example, as shown in Figure 5 indicated, the colors are divided into the divisions PA according to the magnitude of the measured value located in each division PA. The display information determination section 52 can also display an icon in the division PA containing a prescribed representative value in the display range RA. The prescribed representative value is, for example, the largest representative value within the display range RA. The prescribed representative value can also be, for example, the smallest representative value within the display range RA, and so on.

[0079] As shown in Figure 5 , when two or more measured values measured at mutually different times correspond to one division PA, the display information determination section 52 calculates a representative value using the two or more measured values, and determines information related to the display of the division PA based on the representative value. "Two or more measured values correspond to one division PA" means that two or more measured positions P4 are arranged in one division. The display information determination section 52 calculates a representative value using the two or more measured values based on the additional information. The "calculation of a representative value from two or more measured values" includes selection of a representative value "from two or more measured values. In the present embodiment, the display information determination section 52 selects a representative value using the two or more measured values based on information related to the intensity of the electromagnetic wave. For example, the display information determination section 52 sets the maximum value, the minimum value, the median, or the mode of the two or more measured values as the representative value, and determines information related to the display of the division PA. As a modification of the present embodiment, the display information determination section 52 can also calculate the average of the two or more measured values, set the calculated average as the representative value, and determine information related to the display of the division PA.

[0080] As a modification of the present embodiment, the display information determination section 52 can determine information related to the display of each zone PA based on the frequency component. For example, a case where the plurality of measurement values include a plurality of first measurement values related to electromagnetic waves of a first frequency component and a plurality of second measurement values related to electromagnetic waves of a second frequency component is studied. In this case, the display information determination section 52 determines first information related to the display of the zone PA based on, for example, the first measurement values corresponding to the zone PA. The display information determination section 52 determines second information related to the display of the zone PA based on, for example, the second measurement values corresponding to the zone PA. The display information determination section 52 calculates a first representative value using two or more first measurement values when two or more first measurement values measured at mutually different times correspond to one zone PA, and determines the first information related to the display of the zone PA based on the first representative value. The display information determination section 52 calculates a second representative value using two or more second measurement values when two or more second measurement values measured at mutually different times correspond to one zone PA, and determines the second information related to the display of the zone PA based on the second representative value. The first information and the second information can be displayed simultaneously in each zone PA.

[0081] As a modification of the present embodiment, the display information determination section 52 can select at least one measurement value from two or more measurement values based on the frequency component, and calculate a representative value using the selected at least one measurement value. For example, the display information determination section 52 calculates one measurement value as a representative value using two or more measurement values selected based on the frequency component based on other additional information other than the frequency component. For example, the display information determination section 52 can determine information related to the display of the zone PA based on information related to the intensity of electromagnetic waves by setting an average value of two or more measurement values selected based on the frequency component as a representative value. For example, the display information determination section 52 can select a measurement value related to electromagnetic waves of a prescribed frequency band from two or more measurement values. The display information determination section 52 can select a measurement value related to electromagnetic waves of a plurality of frequency components from two or more measurement values.

[0082] The synthesis section 53 creates a synthesized image that synthesizes the result image and the captured image. The image creation section 35 outputs the synthesized image created in the synthesis section 53 to the display section 24. The synthesis section 53 does not create a synthesized image in the absence of at least one of the result image and the captured image. The image creation section 35 outputs only the result image to the display section 24 in the absence of the captured image. The image creation section 35 outputs only the captured image to the display section 24 in the absence of the result image.

[0083] Next, the hardware structure of the electromagnetic environment analysis device 3 will be described with reference to Figure 10 The hardware structure of the electromagnetic environment analysis device 3 will be described. Figure 10is a diagram showing an example of a hardware configuration of the electromagnetic environment analysis device 3.

[0084] The electromagnetic environment analysis device 3 is provided with a processor 101, a main storage device 102, an auxiliary storage device 103, a communication device 104, an input device 105, an output device 106, an imaging device 107, a probe 108, and a display 109. The electromagnetic environment analysis device 3 includes one or a plurality of computers configured by these hardware and software such as programs. The electromagnetic environment analysis device 3 is realized by cooperation with the hardware.

[0085] In a case where the electromagnetic environment analysis device 3 is configured by a plurality of computers, these computers can be connected by a local connection, or can be connected via a communication network such as the Internet or an intranet. By this connection, one electromagnetic environment analysis device 3 is logically configured.

[0086] The processor 101 executes an operating system and application programs and the like. The main storage device 102 is configured by a ROM (Read Only Memory) and a RAM (Random Access Memory). For example, at least a part of the measurement processing section 23 and the display control section 25 is realized by the processor 101 and the main storage device 102. The processor 101 and the main storage device 102 configure a part of a spectrum analyzer, a network analyzer, or an oscilloscope.

[0087] The auxiliary storage device 103 is a storage medium configured by a hard disk and a flash memory and the like. The auxiliary storage device 103 generally stores a larger amount of data than the main storage device 102. For example, at least a part of the storage section 22 is realized by the auxiliary storage device 103.

[0088] The auxiliary storage device 103 stores programs and data necessary in processing in advance. The programs cause the computer to execute each functional element of the electromagnetic environment analysis device 3. By the programs, for example, the processing S1 and the processing S3 to the processing S7 described later are executed in the computer. The programs can also be provided by being recorded in a tangible recording medium such as a CD-ROM, a DVD-ROM, a semiconductor memory, and the like. The programs can also be provided as a data signal via a communication network.

[0089] The communication device 104 is configured by a network card or a wireless communication module. For example, at least a part of the photographed image acquisition section 41 and the measurement information acquisition section 34 is realized by the communication device 104. The input device 105 is configured by a keyboard, a mouse, a touch panel, and the like. For example, at least a part of the operation section 10, the display section 24, the photographed image acquisition section 41, the measurement information acquisition section 34, and the re-setting determination section 63 is realized by the input device 105. The output device 106 is configured by an alarm and a printer and the like. For example, at least a part of the image production section 35 is realized by the output device 106.

[0090] The imaging device 107 is constituted by a video camera or a still camera. For example, at least a part of the imaging section 21 is realized by the imaging device 107. The probe 108 is connected to an input terminal of a spectrum analyzer, a network analyzer, or an oscilloscope. For example, at least a part of the operation section 10 is realized by the probe 108. The display 109 includes a monitor of a computer, a display screen of a mobile terminal, or a projection screen. For example, at least a part of the display section 24 is realized by the display 109.

[0091] Next, the flow of the electromagnetic environment analysis method using the electromagnetic environment analysis system will be described with reference to Figures 11 to 14 An example of a measurement method using the electromagnetic environment analysis system will be described. Figure 11 is a flowchart showing an electromagnetic environment analysis method using the electromagnetic environment analysis system.

[0092] First, the division processing section 51 acquires initial settings of a plurality of divisions PA (process S1). For example, the division processing section 51 acquires the initial settings which are previously stored in the storage section 22. The initial settings include, for example, a division definition table.

[0093] Next, the range determination markers 2 are arranged (process S2). For example, the user arranges a plurality of range determination markers 2 around the display range of the measurement result. In other words, the user arranges a plurality of range determination markers 2 around the range in which the measurement is performed. The plurality of range determination markers 2 can also be arranged at a previously set position by a not-shown device included in the electromagnetic environment analysis system 1. In the present embodiment, as shown in Figure 3 each of the two range determination markers 2 is arranged at a vertex on a diagonal line of the desired display range RA.

[0094] Next, the photographed image acquisition section 41 acquires a photographed image (process S3). The photographed image acquisition section 41 acquires a photographed image photographed in the imaging section 21. The imaging section 21 photographs the range determination markers 2. For example, the imaging section 21 photographs so that all of the plurality of range determination markers 2 arranged in the process S2 enter one photographed image. For example, the imaging section 21 photographs so as to acquire a feature point indicating a three-dimensional position for each range determination marker 2. In the process S3, the imaging section 21 can also photograph the sensor marker 12 together with the range determination markers 2.

[0095] Next, the marker detection processing is performed by the marker detection section 42, the marker position calculation section 43, the display range determination section 32, and the position relationship determination section 33 (process S4). In the marker detection processing, the positions of the range determination markers 2 and the sensor marker 12 are acquired from the photographed image acquired in the process S3. In the marker detection processing, the positional relationship of the range determination markers 2 and the sensor marker 12 is determined.

[0096] Next, the display control section 25 determines whether or not to acquire the captured image again (process S5). The display control section 25 determines whether or not to acquire the captured image again on the basis of the detection results of the range determination marker 2 and the sensor marker 12 in the process S4. In a case where it is determined to acquire the captured image again, the process returns to the process S3.

[0097] In the process S5, in a case where it is determined not to acquire the captured image again, the display processing of the measurement result is performed by the image production section 35 (process S6). In the display processing of the measurement result, the result image corresponding to the position where the measurement was performed and the measurement result is displayed in the display section 24.

[0098] Next, the display control section 25 determines whether or not to end the process (process S7). In the process S7, in a case where it is determined not to end the process, the process returns to the process S3. In the process S7, in a case where it is determined to end the process, the series of processes is ended.

[0099] Next, the marker detection processing in the process S4 will be described in detail. Figure 12 is a flowchart showing the marker detection processing.

[0100] First, the marker detection section 42 determines whether or not the range determination marker 2 is present in the captured image (process S11). The marker detection section 42 performs image detection of the feature points of the range determination marker 2 using, for example, the captured image. The marker detection section 42 determines that the range determination marker 2 is present in the captured image in a case where the feature points of the range determination marker 2 are recognized in the captured image. The marker detection section 42 determines that the range determination marker 2 is not present in the captured image in a case where the feature points of the range determination marker 2 are not recognized in the captured image. In the process S11, in a case where it is determined that the range determination marker 2 is present, the process proceeds to the process S12. In the process S11, in a case where it is determined that the range determination marker 2 is not present, the process proceeds to the process S21.

[0101] In a case where it is determined in the process S11 that the range determination marker 2 is present, it is determined whether or not the sensor marker 12 is present in the captured image (process S12). The marker detection section 42 performs image detection of the feature points of the sensor marker 12 using, for example, the captured image. The marker detection section 42 determines that the sensor marker 12 is present in the captured image in a case where the feature points of the sensor marker 12 are recognized in the captured image. The marker detection section 42 determines that the sensor marker 12 is not present in the captured image in a case where the feature points of the sensor marker 12 are not recognized in the captured image. In the process S12, in a case where it is determined that the sensor marker 12 is present, the process proceeds to the process S17. In the process S12, in a case where it is determined that the sensor marker 12 is not present, the process proceeds to the process S13.

[0102] When it is determined in the processing S12 that there is no sensor mark 12, the mark position calculating section 43 acquires the position PI of the range determination mark 2 (processing S13). For example, the mark position calculating section 43 calculates the position PI of the range determination mark 2 within the captured image, and outputs the calculation result to the position relationship judging section 33 and the storage section 22.

[0103] When the processing S13 ends, the position relationship judging section 33 judges whether the position PI of the range determination mark 2 is appropriate (processing S14). For example, the position relationship judging section 33 judges whether the position relationship of the plurality of range determination marks 2a, 2b is appropriate. For example, the position relationship judging section 33 judges that the position relationship of the plurality of range determination marks 2a, 2b is appropriate when each of the range determination marks 2a, 2b is disposed at a position where the display range RA of the rectangle can be specified. For example, the position relationship judging section 33 judges that each of the range determination marks 2a, 2b is disposed at a position where the display range RA can be specified when the position PI of the range determination mark 2a is located at the upper left of the position PI of the range determination mark 2b in the captured image. When it is judged that the position PI of the range determination mark 2 is not appropriate, the processing proceeds to the processing S15. When it is judged that the position PI of the range determination mark 2 is appropriate, the processing proceeds to the processing S16.

[0104] When it is judged in the processing S14 that the position PI of the range determination mark 2 is not appropriate, the display control section 25 causes the display section 24 to display the captured image (processing S15). For example, in the processing S15, the display information determining section 52 determines that only the captured image is displayed on the display section 24. The image producing section 35 does not produce a composite image in the compositing section 53, and outputs only the captured image to the display section 24. As a result, the display section 24 displays only the captured image. When the processing S15 ends, the mark detection processing ends, and the processing result is returned.

[0105] When it is judged in the processing S14 that the position PI of the range determination mark 2 is appropriate, the display control section 25 causes the display section 24 to display the captured image and the display range RA (processing S16). In the processing S16, the display range determining section 32 determines the display range RA based on the detection result of the range determination mark 2. For example, in the processing S16, the display information determining section 52 determines that the display range RA and the captured image are displayed in the display section 24. The image producing section 35 outputs a composite image in which a result image indicating only the display range RA and the captured image are synthesized, to the display section 24. As a result, as shown in FIG. 6, the display section 24 displays the display range RA and the captured image. When the processing S16 ends, the mark detection processing ends, and the processing result is returned. Figure 3

[0106] ​When it is determined in the processing S12 that the sensor marker 12 is present, the marker position calculating section 43 acquires the position PI of the range determination marker 2 and the position P2 of the sensor marker 12 (processing S17). For example, the marker position calculating section 43 calculates the position PI of the range determination marker 2 within the captured image and the position P2 of the sensor marker 12 within the captured image, and outputs the calculation results to the position relationship judging section 33 and the storage section 22. In the processing S17, the marker position calculating section 43 calculates the relative positions of the range determination marker 2 and the sensor marker 12 based on the detection results of the range determination marker 2 and the detection results of the sensor marker 12. The position P2 of the sensor marker 12 is position information related to the measurement position at which the measurement value is measured. In the present embodiment, the position P2 of the sensor marker 12 coincides with the measurement position.

[0107] When the processing S17 ends, the position relationship judging section 33 judges whether the positions of the range determination marker 2 and the sensor marker 12 are appropriate (processing S18). For example, the position relationship judging section 33 judges whether the positional relationship of the plurality of range determination markers 2a, 2b is appropriate. For example, as in the processing S14, in a case where each of the range determination markers 2a, 2b is arranged at a position at which the display range RA of the rectangle can be specified, the position relationship judging section 33 judges that the positional relationship of the plurality of range determination markers 2a, 2b is appropriate. In a case where it is judged that the position PI of the range determination marker 2 is inappropriate, the processing proceeds to the processing S13. In a case where it is judged that the position PI of the range determination marker 2 is appropriate, the processing proceeds to the processing S19.

[0108] In a case where it is judged in the processing S18 that the position PI of the range determination marker 2 is appropriate, it is judged whether the measurement position is within the display range RA (processing S19). For example, the position relationship judging section 33 judges that the measurement position is within the display range RA in a case where the position P2 of the sensor marker 12 is within the display range RA. In a case where it is judged that the measurement position is not within the display range RA, the processing proceeds to the processing S20. In a case where it is judged that the measurement position is within the display range RA, the marker detection processing ends, and the processing returns to the processing result.

[0109] When it is determined in the process S19 that the measurement position is not located within the display range RA, the display control section 25 causes the display section 24 to display the captured image, the display range RA, and the sensor position (process S20). In the process S20, the display range determination section 32 determines the display range RA based on the detection result of the range determination marker 2. For example, in the process S20, the display information determination section 52 determines to display the display range RA, the captured image, and the sensor position in the display section 24. For example, in the process S20, the display information determination section 52 calculates the display range RA using the position P1 of the range determination marker 2 acquired in the process S17 and calculates the sensor position using the position P2 of the sensor marker 12 acquired in the process S17. The image production section 35 outputs a composite image in which a result image indicating the display range RA and the sensor position and the captured image are synthesized to the display section 24. As a result, as shown in FIG. 28, the display section 24 displays the display range RA, the sensor position, and the captured image. When the process S20 ends, the marker detection processing ends, and the processing result is returned. Figure 4

[0110] When it is determined in the process S11 that there is no range determination marker 2, it is determined whether there is the sensor marker 12 within the captured image (process S21). For example, as with the process S12, the marker detection section 42 performs image detection of the feature points of the sensor marker 12 from the captured image. When it is determined in the process S21 that there is the sensor marker 12, the processing proceeds to the process S22. When it is determined in the process S21 that there is no sensor marker 12, the processing proceeds to the process S24.

[0111] When it is determined in the process S21 that there is the sensor marker 12, the marker position calculation section 43 acquires the position P2 of the sensor marker 12 (process S22). For example, the marker position calculation section 43 calculates the position P2 of the sensor marker 12 within the captured image and outputs the calculation result to the display information determination section 52 and the storage section 22. In the present embodiment, the position P2 of the sensor marker 12 coincides with the measurement position.

[0112] When the process S22 ends, the display control section 25 causes the display section 24 to display the captured image and the sensor position (process S23). For example, in the process S23, the display information determination section 52 determines to display the captured image and the sensor position in the display section 24. For example, in the process S23, the display information determination section 52 calculates the sensor position from the position P2 of the sensor marker 12 acquired in the process S22. The image production section 35 outputs a composite image in which a result image indicating only the sensor position and the captured image are synthesized to the display section 24. When the process S23 ends, the marker detection processing ends, and the processing result is returned.

[0113] ​In a case where it is determined in the processing S21 that there is no sensor mark 12, the display control section 25 causes the display section 24 to display the captured image (processing S24). For example, in the processing S24, the display information determination section 52 determines to display only the captured image in the display section 24. The image production section 35 does not produce a composite image in the composition section 53, and outputs only the captured image to the display section 24. As a result, the display section 24 displays only the captured image. When the processing S24 ends, the mark detection processing ends, and the processing returns the processing result.

[0114] Next, the display processing of the measurement result in the processing S6 will be described in detail. Figure 13 is a flowchart showing the display processing of the measurement result.

[0115] First, it is determined whether the measurement information acquisition section 34 acquires the measurement value (processing S31). In a case where the measurement information acquisition section 34 acquires the measurement value from the measurement processing section 23, it is determined that the measurement value is acquired. In a case where the measurement information acquisition section 34 does not acquire the measurement value, the processing returns to the processing S31. In a case where the measurement information acquisition section 34 acquires the measurement value, the processing proceeds to a processing S32.

[0116] In a case where it is determined that the measurement value is acquired, the measurement information acquisition section 34 associates the measurement value and the measurement position with each other (processing S32). The measurement information acquisition section 34 acquires the measurement position acquired in the processing S17 from the position information acquisition section 31. The measurement information acquisition section 34 stores the measurement value and the measurement position associated with each other, for example, to the storage section 22. The measurement information acquisition section 34 outputs the measurement value and the measurement position associated with each other to the image production section 35. The measurement information acquisition section 34 can acquire the measurement value and the measurement position associated with each other from the storage section 22.

[0117] Next, the zone determination section 62 determines the zone PA corresponding to the measurement position (processing S33). The zone determination section 62 determines the zone PA corresponding to the measurement position of each measurement value from among the plurality of zones PA based on the position information acquired in the position information acquisition section 31. The plurality of zones PA set in the processing S33 are the zones PA distinguished by the initial setting in the processing S1. The zone setting section 61 can distinguish the display range RA at the time when the initial setting is acquired in the processing S1, or can distinguish the display range RA before the processing S33 or in the processing S33.

[0118] In the present embodiment, the division determination section 62 determines the division PA corresponding to the measurement position of each measurement value acquired every other time in the measurement processing section 23. As a modification of the present embodiment, the division PA corresponding to the measurement position of each of the plurality of measurement values stored in the storage section 22 at one time can also be determined. The division determination section 62 stores the determination result in the storage section 22, for example. The division determination section 62 can also output the determination result to the display information determination section 52.

[0119] Next, the display information determination section 52 determines the representative value in the division PA (process S34). The display information determination section 52 acquires the measurement value corresponding to the division PA of the object from the division determination section 62 or the storage section 22. The display information determination section 52 determines the representative value based on the measurement value corresponding to the division PA, for example. The display information determination section 52 calculates and determines the representative value using two or more measurement values corresponding to one division PA when two or more measurement values measured at mutually different times correspond to one division PA.

[0120] Next, the division processing section 51 performs the re-setting processing of the division PA (process S35). The division processing section 51 performs the re-setting of the division PA in the division setting section 61 when the re-setting determination section 63 determines that the plurality of divisions PA is to be re-set. The re-setting determination section 63 performs the re-setting of the plurality of divisions PA when a flag indicating that a prescribed condition is satisfied in the processing in the electromagnetic environment analysis device 3 or a prescribed input is made by the user is detected.

[0121] Next, the display information determination section 52 determines the information related to the display of the division PA based on the representative value (process S36). In the present embodiment, the display information determination section 52 determines the color displayed in the division PA based on the representative value. For example, the display information determination section 52 determines the color displayed in each division PA according to the magnitude of the measurement value corresponding to each division PA. For example, the display information determination section 52 determines the color displayed in the division PA to be the color corresponding to the magnitude of the representative value corresponding to the division PA. In process S36, the display information determination section 52 can also determine information other than the color according to the representative value of each division PA. The display information determination section 52 stores the information related to the display of each division PA in the storage section 22.

[0122] Next, the display control unit 25 causes the display unit 24 to display the captured image, display range RA, sensor position, and measurement results (process S37). In process S37, the display range determination unit 32 determines the display range RA based on the detection result of the range determination mark 2. The display control unit 25 obtains the information required for display from the storage unit 22, for example. For example, the display information determination unit 52 determines to display the captured image, display range RA, sensor position, and measurement results on the display unit 24. For example, in process S37, the display information determination unit 52 calculates the display range RA using the position P1 of the range determination mark 2 obtained in process S17, and calculates the sensor position using the position P2 of the sensor mark 12 obtained in process S17. The measurement results are represented by, for example, the color determined in process S36. The image processing unit 35 outputs a composite image, which combines the result image representing the display range RA, sensor position, measurement results, and the captured image, to the display unit 24. The measurement results are represented by displaying information related to the measurement values ​​at positions corresponding to the measurement positions of each measurement value. As a result, display unit 24 displays the display range RA, sensor position, measurement results, and captured images. When processing S37 ends, the mark detection processing ends, and the processing results are returned.

[0123] exist Figure 5 In this case, the measurement locations P4 of two or more measurements are located within a zone PA. In process S33 and S34, a representative value is also calculated and determined. In process S36, information related to the display of zone PA is determined based on the representative value. As a result, the color corresponding to the representative value is displayed in each zone PA. In other words, when two or more measurements taken at different times correspond to a zone PA, information based on the representative value is also displayed.

[0124] Next, an example of the resetting process for the zoning in S35 will be explained in detail. Figure 14 This is a flowchart illustrating an example of the redesign process for administrative divisions.

[0125] First, the resetting determination unit 63 determines whether to reset the zones PA (process S41). In this embodiment, the resetting determination unit 63 determines whether conditions such as the ratio of the number of zones PA displayed for measurement results to the number of divisions of the display range RA exceeds a predetermined value are met. This predetermined value is stored in the storage unit 22 along with the zone definition table. If the ratio does not exceed the predetermined value, the zone resetting process ends. If the ratio exceeds the predetermined value, the process proceeds to process S42.

[0126] If the aforementioned ratio exceeds the specified value, the zoning setting unit 61 modifies the zoning definition table referenced by the zoning setting unit 61 (process S42). The zoning setting unit 61, for example, modifies the referenced zoning definition table from... Figure 6The zoning definition table 71 shown in (a) is changed to Figure 6 The zoning definition table 72 is shown in (b). The number of display ranges RA distinguished in zoning definition table 72 is greater than the number of display ranges RA distinguished in zoning definition table 71. When zoning definition table 71 is equivalent to the first zoning definition table, zoning definition table 72 is equivalent to the second zoning definition table.

[0127] Next, the zoning setting unit 61 re-sets multiple zoning PAs (process S43). In process S43, the zoning setting unit 61 refers to the zoning definition table 72 modified in process S42 and re-sets multiple zoning PAs. In processes S42 and S43, the zoning setting unit 61 re-sets multiple zoning PAs to change the number of zoning PAs forming the display area RA. As a result, the zoning setting unit 61 changes the size of each zoning PA. The zoning setting unit 61, for example, changes the number of zoning PAs forming the display area RA in processes S42 and S43, thereby changing the size of the zoning PAs forming the display area RA from... Figure 7 The multiple zones PA1 shown in (a) are then set as Figure 7 (b) shows multiple zones PA2. Each of the multiple zones PA2 has a different size than zone PA1. In this embodiment, the size of each zone PA2 is smaller than the size of each zone PA1. As a result, the zone PA at the measurement location P4 for each measurement value varies. For example, in Figure 7 In (a), multiple measurement locations P4 located in the same region PA1 are divided into two distinct regions PA2. When region PA1 corresponds to the first region, region PA2 corresponds to the second region.

[0128] Next, the zoning determination unit 62 determines the zoning PA corresponding to the measurement location (process S44).

[0129] For example, the zoning determination unit 62 determines the zoning PA2 corresponding to the measurement location among the multiple zoning PA2 re-established in processing S43. Based on the location information acquired by the location information acquisition unit 31, the zoning determination unit 62 determines the zoning PA2 corresponding to the measurement location of each measurement value among the multiple zoning PA2. The zoning determination unit 62 stores, for example, the determination result in the storage unit 22. The zoning determination unit 62 may also output the determination result to the display information determination unit 52.

[0130] Next, the display information determination unit 52 determines the representative value in zone PA (process S45). When process S45 ends, the zone resetting process ends. For example, the display information determination unit 52 determines the representative value corresponding to each of the multiple zones PA2 reset in process S43. The display information determination unit 52 obtains the measurement value corresponding to the target zone PA2 from the zone determination unit 62 or the storage unit 22. The display information determination unit 52 determines the representative value based on, for example, the measurement value corresponding to zone PA2. When two or more measurement values ​​measured at different times correspond to a zone PA2, the display information determination unit 52 calculates and determines the representative value using these two or more measurement values. In this case, in process S36 after process S45, the display information determination unit 52 determines information related to the display of zone PA2 based on the representative value calculated in process S45.

[0131] The above describes an example of a measurement method using an electromagnetic environment analysis system, but the order of each process is not limited to this. For example, process S1 can be executed at any time if it occurs after process S2 and before process S6. If process S1 is executed before process S33, it can be performed midway through process S6. When the resetting determination unit 63 determines the resetting of the zone PA based on the user's input operation, process S35 can be executed at any time if it occurs after process S1 and before process S36.

[0132] In process S31, information related to the electromagnetic environment is acquired from sensor 11, and multiple measurement values ​​are obtained based on the acquired information. Sensor 11 sequentially detects information related to the electromagnetic environment. In this embodiment, multiple measurement values ​​related to the electromagnetic environment are acquired in process S31 by repeatedly performing processes S3 to S7. Imaging unit 21 sequentially captures images of the actual space, and image acquisition unit 41 acquires the images sequentially captured by imaging unit 21. When multiple measurement values ​​are output from measurement processing unit 23 between one cycle of processes S3 to S7, multiple measurement values ​​are acquired in one process S31.

[0133] Next, refer to Figures 15 to 18 This section provides a more detailed example of the reclassification of zones in Electromagnetic Environment Analysis System 1. Figures 15 to 18 In this context, different colors are represented by different shades.

[0134] exist Figure 15 In this embodiment, by executing processes S31 to S37, information corresponding to the measured values ​​is displayed in each zone PA1 that forms the display range RA. In this embodiment, each zone PA1 is color-coded according to the measured values. Within the display range RA, zones PA1 without shading are areas that are not measured.

[0135] fromFigure 15 The state shown in FIG. 10, the measurement is repeatedly performed as the operation section 10 is moved. Thus, the number of the zones PA1 in which the information corresponding to the measurement value is displayed increases. As a result, as shown in FIG. 11, the display range RA is divided into a plurality of zones PA1. The size of each of the zones PA1 is larger than the size of each of the zones PA shown in FIG. 10. Figure 16 As shown in FIG. 10, the zones PA1 in which the information corresponding to the measurement value is displayed increase. In other words, the zones PA1 in which the color is displayed increase.

[0136] Further, from the state shown in FIG. 10, the measurement is repeatedly performed as the operation section 10 is moved. Thus, the number of the zones PA1 in which the information corresponding to the measurement value is displayed increases. As a result, as shown in FIG. 11, the display range RA is divided into a plurality of zones PA1. The size of each of the zones PA1 is larger than the size of each of the zones PA shown in FIG. 10. Figure 16 From the state shown in FIG. 10, the measurement is repeatedly performed as the operation section 10 is moved. Thus, the number of the zones PA1 in which the information corresponding to the measurement value is displayed increases. As a result, as shown in FIG. 11, the display range RA is divided into a plurality of zones PA1. The size of each of the zones PA1 is larger than the size of each of the zones PA shown in FIG. 10. Figure 17 As shown in FIG. 10, the zones PA1 in which the information corresponding to the measurement value is displayed increase. In other words, the zones PA1 in which the color is displayed increase. Figure 16 As shown in FIG. 10, the zones PA1 in which the information corresponding to the measurement value is displayed increase. In other words, the zones PA1 in which the color is displayed increase. Figure 16 As shown in FIG. 10, the zones PA1 in which the information corresponding to the measurement value is displayed increase. In other words, the zones PA1 in which the color is displayed increase. The determination of the representative values in the plurality of zones PA2 is performed by the processes S44 and S45, and the display within the display range RA is updated from the display based on the plurality of zones PA1 to the display based on the plurality of zones PA2 by the processes S36 and S37.

[0137] Further, from the state shown in FIG. 10, the measurement is repeatedly performed as the operation section 10 is moved. Thus, the number of the zones PA1 in which the information corresponding to the measurement value is displayed increases. As a result, as shown in FIG. 11, the display range RA is divided into a plurality of zones PA1. The size of each of the zones PA1 is larger than the size of each of the zones PA shown in FIG. 10. Figure 17 From the state shown in FIG. 10, the measurement is repeatedly performed as the operation section 10 is moved. Thus, the number of the zones PA1 in which the information corresponding to the measurement value is displayed increases. As a result, as shown in FIG. 11, the display range RA is divided into a plurality of zones PA1. The size of each of the zones PA1 is larger than the size of each of the zones PA shown in FIG. 10. Figure 18 As shown in FIG. 10, the zones PA1 in which the information corresponding to the measurement value is displayed increase. In other words, the zones PA1 in which the color is displayed increase. Figure 17 As shown in FIG. 10, the zones PA1 in which the information corresponding to the measurement value is displayed increase. In other words, the zones PA1 in which the color is displayed increase. Figure 17The states shown are more finely distinguished. The determination of the representative value in the plurality of divisions PA3 is performed by the process S44 and the process S45, and the display in the display range RA is updated from the display based on the plurality of divisions PA2 to the display based on the plurality of divisions PA3 by the process S36 and the process S37.

[0138] Next, the effects of the electromagnetic environment analysis system in the present embodiment will be described. As described above, the electromagnetic environment analysis system 1, when two or more measurement values measured at mutually different times correspond to one division PA, calculates a representative value from the two or more measurement values, and determines information related to the display of the division PA based on the representative value. In this way, the electromagnetic environment analysis system 1 performs two-stage processing of the calculation of the representative value and the determination of the display information based on the representative value, and thus, even in a case where there are a plurality of measurement values for one division PA, it is possible to display an appropriate measurement result for each division PA. For example, if the movement of the sensor 11 and the measurement by the sensor 11 are synchronized, the measurement values and the divisions PA do not necessarily become a one-to-one relationship. Considering measurement error, there is also a need to want to perform a plurality of measurements in one division PA. In this way, although the device is configured so that the time of performing the measurement and the position of performing the measurement are not synchronized, even in a case where a plurality of measurements are performed in one division PA, the electromagnetic environment analysis system 1 is able to display an appropriate measurement result for each division.

[0139] The measurement information acquisition unit 34 acquires additional information corresponding to each measurement value. The additional information includes at least one of information related to the intensity of the electromagnetic wave, information related to the phase of the electromagnetic wave, information related to the frequency component of the electromagnetic wave, and information related to the time of performing the measurement. The display information determination unit 52 calculates a representative value using two or more measurement values included in one division PA based on the additional information. In this case, a more appropriate representative value can be calculated using two or more measurement values.

[0140] The plurality of measurement values can include a plurality of measurement values related to electromagnetic waves of mutually different frequency components. In this case, the display information determination unit 52 selects at least one measurement value from the two or more measurement values based on the frequency component, and calculates a representative value using the selected at least one measurement value. As a result, in a case where there are two or more measurement values in one division PA, an appropriate measurement result related to the electromagnetic wave of the desired frequency component can be displayed.

[0141] The plurality of measurement values can also include a plurality of first measurement values related to electromagnetic waves of a first frequency component and a plurality of second measurement values related to electromagnetic waves of a second frequency component. In this case, the display information determination section 52 determines first information related to display of the division PA based on the first measurement values corresponding to the division PA, and determines second information related to display of the division PA based on the second measurement values corresponding to the division PA. The display information determination section calculates a representative value using two or more first measurement values when two or more first measurement values measured at mutually different times correspond to one division PA, and determines the first information related to display of the division PA based on the representative value. As a result, for each electromagnetic wave of a different frequency component, an appropriate measurement result can be displayed in each division PA.

[0142] The display information determination section 52 sets a maximum value, a minimum value, a median value, or a mode value among two or more measurement values contained in one division PA as a representative value, and determines information related to display of the division PA. In this case, a desired measurement value can be set as the representative value. For example, a measurement result can be displayed more accurately compared to a case where only measurement values in the same division PA are updated.

[0143] The display information determination section 52 can also calculate an average value of two or more measurement values contained in one division PA, set the calculated average value as a representative value, and determine information related to display of the division PA. In this case, a desired measurement value can also be set as the representative value.

[0144] The image creation section 35 also includes a re-setting determination section 63 that determines whether to re-set the plurality of divisions PA that form the display range RA. In a case where the re-setting determination section 63 determines to re-set the plurality of divisions PA, the division setting section 61, the division determination section 62, and the display information determination section 52 perform the following processing. The division setting section 61 re-sets the plurality of divisions PA that form the display range RA from the plurality of divisions PA1 to a plurality of divisions PA2 each having a different size from the divisions PA1. The division determination section 62 determines the division PA2 in the plurality of divisions PA2 that corresponds to the measurement position P4 of each measurement value based on the position information acquired by the position information acquisition section 31. The display information determination section 52 can also determine information related to display of the division PA2 based on the measurement values corresponding to the division PA2. The display information determination section calculates a representative value using two or more measurement values when two or more measurement values measured at mutually different times correspond to one division PA2, and determines information related to display of the division PA2 based on the calculated representative value. In this case, the size of the division PA can be changed according to the measurement situation. Even in a case where the size of the division PA is changed, an appropriate measurement result is displayed in each division PA.

[0145] The display section 24 that displays the image created by the image creation section 35 and the photographing section 21 are provided to the same frame. If both the photographing section 21 and the display section 24 are provided to the frame held by the user, it is possible to more easily achieve the measurement related to the electromagnetic environment with a more compact structure.

[0146] The larger the size of the plurality of divisions PA that divide the display range RA, the lower the resolution of the display of the information related to the measurement values. If the resolution of the display is low, it is not possible to obtain information related to the electromagnetic environment in the local area. In a case where the user performs the measurement while observing the display in a state where the resolution of the display is low, it is also difficult to recognize the measurement values obtained at a desired density. In contrast, the smaller the size of the plurality of divisions PA that divide the display range RA, the more time and effort are required to understand the overall situation of the electromagnetic environment, and the amount of data of the measurement results also increases. The appropriate structure of the plurality of divisions PA varies depending on the situation of the measurement. In a case where the display range RA is divided into a certain size, it is difficult to solve the above-described problems in a trade-off relationship. For example, it is necessary to display the measurement results of the rough position at the initial stage of the measurement, and then to display the measurement results of the desired position in detail. In the electromagnetic environment analysis system 1, the re-setting determination section 63 determines whether to re-set the plurality of divisions PA. In a case where the re-setting determination section 63 determines to re-set the plurality of divisions PA, the division setting section 61 re-sets the plurality of divisions PA that form the display range RA to a plurality of divisions PA2 that are smaller than the divisions PA1. In this case, the display information determination section 52 determines the information related to the display of the divisions PA2. Therefore, in the measurement of the display range RA, it is possible to change the size of the plurality of divisions PA that form the display range RA. Therefore, it is possible to change the resolution of the display depending on the situation of the measurement. As a result, it is possible to easily achieve the desired measurement.

[0147] The size of each division PA2 is smaller than the size of each division PA1. In this case, in the measurement of the display range RA, it is possible to set the resolution of the display from a low state to a high state. Therefore, the electromagnetic environment analysis system 1 is able to display the measurement results of the rough position at the initial stage of the measurement, and then to display the measurement results of the desired position in detail.

[0148] In a case where the re-setting determination section 63 determines to re-set the plurality of divisions PA, the division determination section 62 determines the division PA2 of the plurality of divisions PA2 that corresponds to the measurement position of each measurement value based on the position information, and the display information determination section 52 determines the information related to the display of the division PA2 based on the measurement value corresponding to the division PA2. In this case, the measurement values corresponding to the division PA2 are re-determined, and therefore, it is possible to achieve more accurate display in the division PA2.

[0149] The reconfiguration determination section 63 determines that the plurality of divisions PA are reconfigured when at least one of a plurality of conditions is satisfied. The size of each division PA2 reconfigured by the division configuration section 61 when a first condition of the plurality of conditions is satisfied is smaller than the size of each division PA2 reconfigured by the division configuration section 61 when a second condition of the plurality of conditions is satisfied. In this case, the plurality of divisions PA of the display range RA are reconfigured to have different sizes according to the conditions. Therefore, the desired measurement can be more easily achieved.

[0150] The second condition is a condition satisfied before the first condition is satisfied. In this case, the size of the plurality of divisions PA of the display range RA formed by satisfying the second condition is reconfigured, and then the size of the plurality of divisions PA of the display range RA formed by satisfying the first condition is further reduced. Therefore, the resolution of the display can be changed in multiple stages according to the state of the measurement.

[0151] The storage section 22 stores a plurality of division definition tables 71, 72 that define the structure of each division PA when the display range RA is divided according to different numbers. The division configuration section 61 configures the plurality of divisions PA based on the plurality of division definition tables 71, 72. In this case, the resolution of the display can be more easily changed by the division definition tables 71, 72 without special arithmetic processing.

[0152] The reconfiguration determination section 63 determines that the plurality of divisions PA are reconfigured according to the input operation of the user. In this case, the reconfiguration of the plurality of divisions PA can be performed at any time.

[0153] The reconfiguration determination section 63 determines that the plurality of divisions PA are reconfigured when the number of divisions PA corresponding to the measurement value exceeds a predetermined number. In this case, the reconfiguration of the plurality of divisions PA can be automatically performed.

[0154] The reconfiguration determination section 63 determines that the plurality of divisions PA are reconfigured when the ratio of the number of divisions PA corresponding to the measurement value to the number of divisions of the display range RA exceeds a predetermined value. In this case, the reconfiguration of the plurality of divisions PA can be automatically performed by simpler configuration.

[0155] The reconfiguration determination section 63 prohibits the reconfiguration of the plurality of divisions PA when the number of times of reconfiguration of the plurality of divisions PA exceeds a predetermined number. In this case, the reconfiguration can be prevented from being performed more than necessary. As a result, the detailed measurement of the desired position can be more easily achieved.

[0156] The embodiments and modified examples of the present application have been described above, but the present application is not necessarily limited to the above-described embodiments, and various modifications can be made within the scope of the gist thereof.

[0157] In the present embodiment, the position P2 of the sensor mark 12, that is, the measurement position, is acquired by image recognition of the sensor mark 12. However, the method of acquiring the measurement position is not limited thereto. For example, a motion sensor can be built in at least one of the operation section 10 and the imaging section 21. The motion sensor includes, for example, an acceleration sensor, a gyro sensor, a direction sensor, and the like.

Claims

1. An electromagnetic environment analysis system, wherein provided with: a measurement information acquisition section that acquires a plurality of measurement values related to an electromagnetic environment; a position information acquisition section that acquires position information related to a measurement position at which each of the measurement values was measured; and an image production section that produces an image that displays information related to each of the measurement values at a position corresponding to the measurement position of each of the measurement values, the image production section includes: a division determination section that determines, based on the position information, a division of a plurality of divisions that form a display range of the information related to each of the measurement values in the image, the division corresponding to the measurement position of each of the measurement values; and a display information determination section that determines information related to the display of the division based on the measurement value corresponding to the division, when two or more of the measurement values measured at mutually different times correspond to one division, the two or more measurement values are obtained by measuring a plurality of measurement positions within the division at mutually different times, a representative value is calculated from the two or more measurement values, and the information related to the display of the division is determined based on the representative value.

2. The electromagnetic environment analysis system according to claim 1, wherein the measurement information acquisition section acquires additional information corresponding to each of the measurement values, the additional information includes at least one of information related to the intensity of an electromagnetic wave, information related to the phase of an electromagnetic wave, information related to the frequency component of an electromagnetic wave, and information related to the time at which measurement was performed, the display information determination section calculates the representative value from the two or more measurement values based on the additional information.

3. The electromagnetic environment analysis system according to claim 1 or 2, wherein the plurality of measurement values include a plurality of measurement values related to electromagnetic waves of mutually different frequency components, the display information determination section selects at least one of the measurement values from the two or more measurement values based on the frequency component, and calculates the representative value from the selected at least one measurement value.

4. The electromagnetic environment analysis system according to any one of claims 1 to 3, wherein the plurality of measurement values include a plurality of first measurement values related to electromagnetic waves of a first frequency component and a plurality of second measurement values related to electromagnetic waves of a second frequency component, the display information determination section determines first information related to the display of the division based on the first measurement values corresponding to the division, and determines second information related to the display of the division based on the second measurement values corresponding to the division, when two or more of the first measurement values measured at mutually different times correspond to one division, a first representative value is calculated from the two or more first measurement values, and the first information related to the display of the division is determined based on the first representative value.

5. The electromagnetic environment analysis system according to any one of claims 1 to 4, wherein the display information determination section determines the information related to the display of the division by taking, as the representative value, a maximum value, a minimum value, a central value, or a mode value of the two or more measurement values. ​ ​ 6. The electromagnetic environment analysis system according to any one of claims 1 to 5, wherein the display information determination section calculates an average of the two or more measurement values, and determines information related to display of the division as the representative value.

7. The electromagnetic environment analysis system according to any one of claims 1 to 6, wherein the image production section further includes: a division setting section that sets the plurality of divisions that constitute the display range; and a re-setting determination section that determines whether to re-set the plurality of divisions, in a case where the re-setting determination section determines to re-set the plurality of divisions, the division setting section re-sets the plurality of divisions that form the display range from a plurality of first divisions to a plurality of second divisions each having a different size from the first divisions, the division determination section determines the second division of the plurality of second divisions that corresponds to the measurement position of each measurement value based on the position information, the display information determination section determines information related to display of the second division based on the measurement value corresponding to the second division, the display information determination section calculates a representative value from two or more measurement values when the two or more measurement values measured at mutually different times correspond to one second division, and determines information related to display of the second division based on the calculated representative value.

8. The electromagnetic environment analysis system according to any one of claims 1 to 7, wherein includes a sensor that detects information related to the electromagnetic environment sequentially, and further includes an operation section that is operated by a user, the measurement information acquisition section acquires the plurality of measurement values based on the information detected in the sensor.

9. The electromagnetic environment analysis system according to any one of claims 1 to 8, wherein further includes a display section that displays an image produced by the image production section.

10. An electromagnetic environment analysis method, wherein has: a step of acquiring a plurality of measurement values related to an electromagnetic environment; a step of acquiring position information related to a measurement position at which each of the measurement values is measured; and a step of producing an image that displays information related to the measurement values at a position corresponding to the measurement position of each of the measurement values, in the production of the image, determining a division of a plurality of divisions that form a display range of information related to the measurement values in the image that corresponds to the measurement position of each of the measurement values based on the position information, and determining information related to display of the division based on the measurement value corresponding to the division, in the determination of information related to display of the division, when two or more measurement values measured at mutually different times correspond to one division, the two or more measurement values are obtained by a plurality of measurements at mutually different measurement positions within the division, calculating a representative value from the two or more measurement values, and determining information related to display of the division based on the representative value.

11. A storage medium, wherein a storage medium readable by a computer storing a program for use in an electromagnetic environment analysis method, the program causes a computer to execute: a process of acquiring a plurality of measurement values related to an electromagnetic environment, a process of acquiring position information related to a measurement position at which each of the measurement values is measured, and a process of producing an image in which information related to the measurement values is displayed at positions corresponding to the measurement positions of the measurement values, in the production of the image, a region corresponding to the measurement position of each of the measurement values is determined among a plurality of regions that define a display range of the information related to the measurement values in the image, based on the position information, and information related to the display of the region is determined based on the measurement value corresponding to the region, in the determination of the information related to the display of the region, when two or more of the measurement values measured at mutually different times correspond to one region, the two or more measurement values are obtained by measuring a plurality of measurement positions within the region at mutually different times, a representative value is calculated from the two or more measurement values, and the information related to the display of the region is determined based on the representative value.

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