Distance measurement scale detection method, device, equipment and storage medium of distance measurement equipment
Through the multi -term observation of the benchmark ranging equipment and the detection of the ranging equipment, calculate the scale data of the device to be detected in combination with the data, and select the device that meets the preset requirements as the target ranging equipment, solving the scale difference between the precision distance measurement instrument The accuracy and quality problems are achieved, and the scale consistency and precision ranging between the ranging equipment are realized.
Patent Information
- Application Number
- CN202411455629.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-17
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2044-10-17
AI Technical Summary
During the construction process of engineering, there are differences in measurement scales between precision distance measurement instruments, resulting in measurement accuracy and quality problems. Especially in large-scale engineering construction, it is difficult to achieve distance precision detection because multi-party measurement teams use instruments of different models and precision.
By using the benchmark ranging equipment to conduct two periods of observations on the distance between observation points, the reference distance information is determined; then using the distance measuring equipment to be detected to conduct two periods of observations, and calculating the detected observation distance information; based on the combined data of the two , determine the scale data of the ranging device to be detected, and select the device whose scale data meets the preset requirements as the target ranging device.
It achieves scale consistency between different ranging equipment, ensures precise distance measurement at the construction site, and solves accuracy and quality problems caused by scale deviations of measuring instruments and distance measurement differences.
Smart Images

Figure CN118999627B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of electronic technology, and in particular to a distance measurement scale detection method, device, equipment and storage medium of a distance measurement device. Background Art
[0002] At present, the main instruments and equipment used for precision distance measurement in engineering construction are satellite positioning terminals and total stations. In the long-term engineering construction measurement practice, it is found that there are differences in distance measurement scales between these precision distance measurement instruments and equipment. These distance measurement scale differences have little impact on ordinary measurements, but there are measurement accuracy and measurement quality issues for precision distance measurements, which cannot be ignored.
[0003] Usually, measuring instruments are calibrated by quality supervision and inspection agencies. However, due to the influence of the "length reference baseline", inspection equipment, inspection environment, etc. established by each inspection agency, there are differences in the technical parameters of precision distance measuring instruments. At the same time, there are also distance measurement differences between different types of instruments and equipment. These differences may affect the measurement accuracy and quality of engineering construction. In particular, large-scale engineering construction is carried out by multiple measurement teams, and the models and accuracy of the instruments and equipment used are different. In order to ensure the quality of the project, it is very necessary to conduct measurement scale inspection of the measurement instruments of all parties at the construction site. Therefore, it is urgent to invent a method for precise detection of engineering measurement scales so that the accuracy of various precision distance measuring instruments used during engineering construction remains consistent. Summary of the invention
[0004] In view of this, the present invention provides a distance measurement scale detection method, device, equipment and storage medium for a distance measurement device to solve the problem that precise distance detection cannot be achieved due to deviations in the scales of measuring instruments measured by different quality supervision and inspection agencies and distance measurement differences between different models of distance measurement instruments.
[0005] In a first aspect, the present invention provides a distance measurement scale detection method for a distance measurement device, the method comprising: using a reference distance measurement device to perform two-phase observations on the distance between a first observation point and at least one second observation point, and obtaining first distance information between each second observation point and the first observation point corresponding to each observation phase; using different distance measurement devices to be detected to perform two-phase observations on the distance between the first observation point and at least one second observation point in turn, and obtaining second distance information between each second observation point and the first observation point obtained by each distance measurement device to be detected in each observation phase; and calculating based on the first distance information between each second observation point and the first observation point corresponding to each observation phase. The reference distance information between the corresponding second observation point and the first observation point is obtained; based on the second distance information between each second observation point and the first observation point obtained by each ranging device to be detected in each observation period, the observation distance information between the corresponding second observation point and the first observation point detected by the ranging device to be detected is calculated; based on the observation distance information between each second observation point and the first observation point detected by each ranging device to be detected and the reference distance information between each second observation point and the first observation point, the scale data of the corresponding ranging device to be detected is determined; and the ranging device to be detected whose scale data meets the preset requirements among different ranging devices to be detected is determined as the target ranging device.
[0006] The distance scale detection method of the distance measuring device provided by the present invention comprises the following steps: using a reference distance measuring device to perform two-phase observations on the distance between each second observation point and a first observation point, and determining the reference distance information between the corresponding second observation point and the first observation point based on the results of the two-phase observations; using different distance measuring devices to be detected to perform two-phase observations on the distance between each second observation point and the first observation point in turn, and determining the observation distance information between the corresponding second observation point detected by each distance measuring device to be detected and the first observation point based on the results of the two-phase observations; and based on the observation distance information between each second observation point detected by each distance measuring device to be detected and the first observation point and the observation distance information between each second observation point and the first observation point, the distance scale detection method of the distance measuring device provided by the present invention comprises the following steps: The reference distance information between the observation points determines the scale data of the corresponding distance measuring device to be detected; the distance measuring device to be detected whose scale data meets the preset requirements among different distance measuring devices to be detected is determined as the target distance measuring device. The target distance measuring device is a distance measuring device whose scale meets the requirements, which can ensure the consistency of scales between different distance measuring devices. Different target distance measuring devices can perform distance detection at the construction site at the same time, and can realize precise distance measurement during engineering construction, which solves the problem in related technologies that precise distance detection cannot be achieved due to deviations in the scales of measuring instruments measured by different quality supervision and inspection agencies, and distance measurement differences between different models of distance measuring instruments.
[0007] In an optional implementation, the step of determining a to-be-detected ranging device whose scale data meets preset requirements among different to-be-detected ranging devices as a target ranging device includes: obtaining a scale deviation range of the to-be-detected ranging device; and determining a to-be-detected ranging device whose scale data among different to-be-detected ranging devices is within the scale deviation range as a target ranging device.
[0008] In an optional implementation, the method includes: obtaining a detection error threshold of each to-be-detected ranging device; calculating a distance detection error of the corresponding to-be-detected ranging device based on second distance information between each second observation point and the first observation point obtained by each to-be-detected ranging device in each observation period; if the distance detection error of any to-be-detected ranging device is less than or equal to the detection error threshold of the corresponding to-be-detected ranging device, determining that the detection error of the to-be-detected ranging device meets the requirement.
[0009] In an optional implementation, the number of the second observation points is two, and when the to-be-detected ranging device is a to-be-detected satellite positioning terminal, the step of determining the scale data of the to-be-detected ranging device based on the observation distance information between each second observation point and the first observation point detected by each to-be-detected ranging device and the reference distance information between each second observation point and the first observation point includes:
[0010] Determine the scale data of the satellite positioning terminal to be detected based on the observation distance information between the second observation point and the first observation point detected by the satellite positioning terminal to be detected, the reference distance information between each second observation point and the first observation point, and the first relationship;
[0011] The first relation is:
[0012]
[0013]
[0014]
[0015] in, Indicates the scale data of the satellite positioning terminal to be detected, Indicates the reference distance information between the first observation point and the first second observation point. Represents the reference distance information between the first observation point and the second observation point. Indicates the first distance information between the first observation point and the first second observation point corresponding to the first observation period, Indicates the first distance information between the first observation point and the first second observation point corresponding to the second observation period, Indicates the first distance information between the first observation point and the second observation point corresponding to the first observation period. Indicates the first distance information between the first observation point and the second observation point corresponding to the second observation period, Represents the observation distance information between the first second observation point and the first observation point, Represents the observation distance information between the second observation point and the first observation point, Indicates the second distance information between the first observation point and the first second observation point corresponding to the first observation period, Indicates the second distance information between the first observation point and the first second observation point corresponding to the second observation period, Indicates the second distance information between the first observation point corresponding to the first observation and the second observation point. Represents the second distance information between the first observation point and the second observation point corresponding to the second observation period.
[0016] In an optional implementation, when the distance measuring device to be detected is a total station to be detected, the step of determining the error in scale detection of the distance measuring device to be detected based on the observation distance information between each second observation point and the first observation point and the reference distance information between each second observation point and the first observation point further includes:
[0017] Determine the scale detection error of the total station to be detected based on the observation distance information between each second observation point and the first observation point detected by the total station to be detected, the reference distance information between each second observation point and the first observation point, and the second relationship;
[0018] The second relationship is:
[0019]
[0020]
[0021]
[0022] in, Indicates the scale data of the total station to be tested, Indicates the reference distance information between the first observation point and the first second observation point. Represents the reference distance information between the first observation point and the second observation point. Indicates the first distance information between the first observation point and the first second observation point corresponding to the first observation period, Indicates the first distance information between the first observation point and the first second observation point corresponding to the second observation period, Indicates the first distance information between the first observation point and the second observation point corresponding to the first observation period. Indicates the first distance information between the first observation point and the second observation point corresponding to the second observation period, Represents the observation distance information between the first second observation point and the first observation point, Represents the observation distance information between the second observation point and the first observation point, Indicates the second distance information between the first observation point and the first second observation point corresponding to the first observation period, Indicates the second distance information between the first observation point and the first second observation point corresponding to the second observation period, Indicates the second distance information between the first observation point corresponding to the first observation and the second observation point. Represents the second distance information between the first observation point and the second observation point corresponding to the second observation period.
[0023] In a second aspect, the present invention provides a distance scale detection device for a distance measuring device, the device comprising: a first observation module, used to use a reference distance measuring device to perform two-period observations on the distance between a first observation point and at least one second observation point, and obtain first distance information between each second observation point and the first observation point corresponding to each observation period; a second observation module, used to use a distance measuring device to be detected to perform two-period observations on the distance between the first observation point and at least one second observation point, and obtain second distance information between each second observation point and the first observation point obtained by each distance measuring device to be detected in each observation period; a first calculation module, used to calculate the corresponding distance information between each second observation point and the first observation point based on the first distance information between each second observation point and the first observation point corresponding to each observation period The invention relates to a method for determining the scale data of the corresponding ranging device to be detected based on the observation distance information between each second observation point and the first observation point detected by each ranging device to be detected and the reference distance information between each second observation point and the first observation point; a second calculation module, which is used to calculate the observation distance information between the corresponding second observation point and the first observation point detected by the corresponding ranging device to be detected based on the observation distance information between each second observation point and the first observation point detected by each ranging device to be detected and the reference distance information between each second observation point and the first observation point; and a second determination module, which is used to determine the ranging device to be detected whose scale data meets the preset requirements among different ranging devices to be detected as the target ranging device.
[0024] In a third aspect, the present invention provides a computer device, comprising: a memory and a processor, the memory and the processor being communicatively connected to each other, the memory storing computer instructions, and the processor executing the ranging scale detection method of the ranging device of the first aspect or any corresponding embodiment thereof by executing the computer instructions.
[0025] In a fourth aspect, the present invention provides a computer-readable storage medium having computer instructions stored thereon, the computer instructions being used to enable a computer to execute the ranging scale detection method of a ranging device according to the first aspect or any corresponding embodiment thereof.
[0026] In a fifth aspect, the present invention provides a computer program product, including computer instructions, where the computer instructions are used to enable a computer to execute the ranging scale detection method of the ranging device according to the first aspect or any corresponding embodiment thereof. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0028] Figure 1 is a schematic flow chart of a method for detecting a distance measurement scale of a distance measurement device according to an embodiment of the present invention;
[0029] Figure 2 is a schematic flow chart of a distance measurement scale detection method of another distance measurement device according to an embodiment of the present invention;
[0030] Figure 3 is a schematic diagram of the positions of three observation piers in an embodiment of the present application;
[0031] Figure 4 is a schematic flow chart of a distance measurement scale detection method of another distance measurement device according to an embodiment of the present invention;
[0032] Figure 5 is a structural block diagram of a distance measurement scale detection device of a distance measurement device according to an embodiment of the present invention;
[0033] Figure 6 It is a schematic diagram of the hardware structure of a computer device according to an embodiment of the present invention. DETAILED DESCRIPTION
[0034] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.
[0035] In related technologies, measuring instruments are usually calibrated by quality supervision and inspection agencies. However, due to the influence of the "length reference baseline", inspection equipment, inspection environment, etc. established by various inspection agencies, there are differences in the technical parameters of precision distance measuring instruments. At the same time, there are also distance measurement differences between different types of instruments and equipment, and these differences may affect the measurement accuracy and quality of engineering construction. In particular, large-scale engineering construction is carried out by multiple measurement teams, and the models and accuracy of the instruments and equipment used are different. In order to ensure the quality of the project, it is very necessary to conduct measurement scale inspections on the measurement instruments of all parties at the construction site.
[0036] In view of this, a distance measurement scale detection method for a distance measurement device provided in an embodiment of the present application can be applied to a server to realize distance measurement scale detection of the distance measurement device. The method provided in an embodiment of the present application uses a reference distance measurement device to perform two-phase observations on the distance between each second observation point and the first observation point, and determines the reference distance information between the corresponding second observation point and the first observation point based on the results of the two-phase observations; sequentially uses different distance measurement devices to be detected to perform two-phase observations on the distance between each second observation point and the first observation point, and determines the observation distance information between the corresponding second observation point detected by each distance measurement device to be detected and the first observation point based on the results of the two-phase observations; based on the observation distance information between each second observation point and the first observation point detected by each distance measurement device to be detected and the observation distance information between each second observation point and the first observation point The reference distance information between them is used to determine the scale data of the corresponding distance measuring device to be detected; the distance measuring device to be detected whose scale data meets the preset requirements among different distance measuring devices to be detected is determined as the target distance measuring device. The target distance measuring device is a distance measuring device whose scale meets the requirements, which can ensure the consistency of scales between different distance measuring devices. Different target distance measuring devices can perform distance detection at the engineering construction site at the same time, and can realize precise distance measurement during engineering construction, which solves the problem in related technologies that precise distance detection cannot be realized due to deviations in the scales of measuring instruments measured by different quality supervision and inspection agencies, and distance measurement differences between different models of distance measuring instruments.
[0037] According to an embodiment of the present invention, an embodiment of a ranging scale detection method for a ranging device is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and although a logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in an order different from that shown here.
[0038] In this embodiment, a distance measurement scale detection method of a distance measurement device is provided, which can be used for the above-mentioned server. Figure 1 is a flow chart of a distance measurement scale detection method of a distance measurement device according to an embodiment of the present invention. Figure 1 As shown, the process includes the following steps:
[0039] Step S101: perform two-phase observation of the distance between a first observation point and at least one second observation point using a reference distance measuring device to obtain first distance information between each second observation point and the first observation point corresponding to each phase of observation.
[0040] Exemplarily, the reference distance measuring device may be a distance measuring device whose measurement accuracy meets the requirements, and the reference distance measuring device may include but is not limited to a reference satellite positioning terminal and a total station whose measurement accuracy meets the requirements. In the embodiment of the present application, the number of the second observation points is two.
[0041] Step S102, using different distance measuring devices to be detected to perform two phases of observation on the distance between the first observation point and at least one second observation point in turn, to obtain second distance information between each second observation point and the first observation point obtained by each distance measuring device to be detected in each phase of observation.
[0042] Exemplarily, the distance measuring device to be detected may include distance measuring devices of different types and models. In the embodiment of the present application, the distance measuring device to be detected may include but is not limited to a satellite positioning terminal and a total station.
[0043] Step S103, calculating the reference distance information between the corresponding second observation point and the first observation point based on the first distance information between each corresponding second observation point and the first observation point in each observation period.
[0044] Exemplarily, in the embodiment of the present application, the first distance information between each second observation point and the first observation point obtained in two phases of observation is averaged to obtain the reference distance information between the corresponding second observation point and the first observation point.
[0045] Step S104, calculating the observed distance information between the corresponding second observation point detected by the corresponding ranging device to be detected and the first observation point based on the second distance information between each second observation point and the first observation point obtained by each ranging device to be detected in each observation period.
[0046] Exemplarily, in an embodiment of the present application, the first distance information between each second observation point and the first observation point obtained by each ranging device to be detected in two phases of observation is averaged to obtain the reference distance information between the corresponding second observation point and the first observation point of the corresponding ranging device to be detected.
[0047] Step S105 , determining scale data of the corresponding to-be-detected ranging equipment based on the observation distance information between each second observation point and the first observation point detected by each to-be-detected ranging equipment and the reference distance information between each second observation point and the first observation point.
[0048] Exemplarily, in an embodiment of the present application, the scale data of the corresponding ranging device to be detected is determined by the observation distance information between each second observation point and the first observation point detected by each ranging device to be detected and the reference distance information between each second observation point and the first observation point. The embodiment of the present application does not limit the calculation method, and those skilled in the art can determine it according to needs, as long as the scale calculation can be achieved.
[0049] Step S106: Determine the to-be-detected ranging device whose scale data meets the preset requirement among the different to-be-detected ranging devices as the target ranging device.
[0050] Exemplarily, the preset requirements may include but are not limited to scale deviation range information of the to-be-detected ranging device. In the embodiment of the present application, if there are multiple target ranging devices among different to-be-detected ranging devices, it is considered that the scales of the multiple target ranging devices are consistent and can be used simultaneously.
[0051] The distance measurement scale detection method of the distance measurement device provided in the present embodiment comprises the following steps: using a reference distance measurement device to perform two-phase observations on the distance between each second observation point and the first observation point, and determining the reference distance information between the corresponding second observation point and the first observation point based on the results of the two-phase observations; using different distance measurement devices to be detected to perform two-phase observations on the distance between each second observation point and the first observation point in turn, and determining the observation distance information between the corresponding second observation point detected by each distance measurement device to be detected and the first observation point based on the results of the two-phase observations; based on the observation distance information between each second observation point detected by each distance measurement device to be detected and the first observation point, and the observation distance information between each second observation point and the first observation point, The reference distance information between the observation points determines the scale data of the corresponding distance measuring device to be detected; the distance measuring device to be detected whose scale data meets the preset requirements among different distance measuring devices to be detected is determined as the target distance measuring device. The target distance measuring device is a distance measuring device whose scale meets the requirements, which can ensure the consistency of scales between different distance measuring devices. Different target distance measuring devices can perform distance detection at the construction site at the same time, and can realize precise distance measurement during engineering construction, which solves the problem in related technologies that precise distance detection cannot be achieved due to deviations in the scales of measuring instruments measured by different quality supervision and inspection agencies, and distance measurement differences between different models of distance measuring instruments.
[0052] In this embodiment, a distance measurement scale detection method of a distance measurement device is provided, which can be used for the above-mentioned server. Figure 2 is a flow chart of a distance measurement scale detection method of a distance measurement device according to an embodiment of the present invention. Figure 2 As shown, the process includes the following steps:
[0053] Step S201: Use a reference distance measuring device to perform two-phase observations on the distance between a first observation point and at least one second observation point, and obtain first distance information between each second observation point and the first observation point corresponding to each observation phase. Figure 1 Step S101 of the illustrated embodiment will not be described in detail here.
[0054] Step S202: Use different distance measuring devices to be detected to perform two phases of observation on the distance between the first observation point and at least one second observation point, and obtain the second distance information between each second observation point and the first observation point obtained by each distance measuring device to be detected in each phase of observation. Figure 1 Step S102 of the illustrated embodiment will not be described in detail here.
[0055] Step S203, based on the first distance information between each second observation point and the first observation point corresponding to each observation period, calculate the reference distance information between the corresponding second observation point and the first observation point. Figure 1 Step S103 of the illustrated embodiment will not be described in detail here.
[0056] Step S204, calculating the observed distance information between the corresponding second observation point detected by the corresponding ranging device to be detected and the first observation point based on the second distance information between each second observation point and the first observation point obtained by each ranging device to be detected in each observation period.
[0057] Step S205 , determining scale data of the corresponding to-be-detected ranging equipment based on the observed distance information between each second observation point and the first observation point detected by each to-be-detected ranging equipment and the reference distance information between each second observation point and the first observation point.
[0058] Specifically, the number of the second observation points is two. When the to-be-detected ranging device is a to-be-detected satellite positioning terminal, the above step S205 includes:
[0059] Step S2051, determining scale data of the satellite positioning terminal to be detected based on the observation distance information between the second observation point and the first observation point detected by the satellite positioning terminal to be detected, the reference distance information between each second observation point and the first observation point, and the first relationship;
[0060] The first relationship is shown in equations (1), (2), and (3):
[0061] (1)
[0062] (2)
[0063] (3)
[0064] in, Indicates the scale data of the satellite positioning terminal to be detected, Indicates the reference distance information between the first observation point and the first second observation point. Represents the reference distance information between the first observation point and the second observation point. Indicates the first distance information between the first observation point and the first second observation point corresponding to the first observation period, Indicates the first distance information between the first observation point and the first second observation point corresponding to the second observation period, Represents the observation distance information between the first second observation point and the first observation point, Represents the observation distance information between the second observation point and the first observation point, Indicates the second distance information between the first observation point and the first second observation point corresponding to the first observation period, Indicates the second distance information between the first observation point and the first second observation point corresponding to the second observation period, Indicates the second distance information between the first observation point corresponding to the first observation and the second observation point. Represents the second distance information between the first observation point and the second observation point corresponding to the second observation period.
[0065] Exemplarily, in the embodiment of the present application, when the distance measuring device to be detected includes a satellite positioning terminal to be detected, there are three reference distance measuring devices, and the reference distance measuring device is a reference satellite positioning terminal. It is assumed that there are three high-precision reference satellite positioning terminals numbered D1 to D3 (the parameters are A+B×D, A is a fixed error, B is a proportional error ≤0.5mm / km, and D is a baseline length, in km). Three observation piers TP01, TP02, and TP03 are selected (the distances from TP01 to TP02 and TP03 are respectively greater than 1km). The observation pier TP01 is set at the position of the first observation point, the observation pier TP02 is set at the position of an observation point, and the observation pier TP03 is set at the position of another observation pier. The position diagram of the three observation piers can be as follows: Figure 3 When making distance observations, firstly, three reference satellite terminals numbered D1 to D3 are respectively set up on three observation piers, leveled and the height of the instruments is measured, then the equipment is turned on and the "walkie-talkie" and other electromagnetic emission source equipment are kept away from the observation piers by about 20m, and the equipment is turned off after observing for t (t≥2) hours, and the observation of the first period and the first time period is ended. The distance information between the second observation point and the first observation point is D11 respectively. 12 、D11 13 , among which D11 12 Indicates the distance between observation pier TP01 and observation pier TP02, D11 13The three satellite positioning terminals are rotated 180° and then slightly leveled. After starting the observation for t hours, they are turned off. The second observation period ends. The distances between the second observation point and the first observation point are D12 and D2 respectively. 12 、D12 13 , the first phase of observation ends; according to the first phase of observation methods and steps, three reference satellite positioning terminals numbered D1 to D3 are observed in sequence, and the distance information between different second observation points and the first observation point is D21 12 、D21 13 、D22 12 、D22 13 , the second observation period ended.
[0066] The first observation period corresponds to the first distance information between the first observation point and the first second observation point Determined by the following formula (4):
[0067] (4)
[0068] The second observation period corresponds to the first distance information between the first observation point and the first second observation point Determined by the following formula (5):
[0069] (5)
[0070] The first observation period corresponds to the first distance information between the first observation point and the second observation point Determined by the following formula (6):
[0071] (6)
[0072] The second observation period corresponds to the first distance information between the first observation point and the second observation point Determined by the following formula (7):
[0073] (7)
[0074] The observation distance information between the second observation point detected by the satellite positioning terminal to be detected and the first observation point is determined in the following manner:
[0075] Set up three satellite positioning terminals to be tested, numbered d1~d3 (parameters are a+b×d, a is fixed error, b is proportional error, unit is mm / km, d is baseline length, unit is km) on three observation piers respectively, level them and measure the height of the instruments, turn on the equipment and keep the "walkie-talkie" and other electromagnetic emission source equipment away from the observation piers by about 20m, and turn off the equipment after observing for t (t≥2) hours. The lengths of the observed baselines are d11 and d21 respectively. 12,d11 13 , where d11 12 Indicates the distance between observation pier TP01 and observation pier TP02, d11 13 The three satellite positioning terminals to be tested are rotated 180° and then slightly leveled. After starting the observation for t hours, they are turned off. The second observation period ends. The lengths of the observation baselines are: d12 12 ,d12 13 , similarly, d11 12 Indicates the distance between observation pier TP01 and observation pier TP02, d11 13 Indicates the distance between observation pier TP01 and observation pier TP03. The first phase of observation is over. According to the first phase of observation method and steps, the three satellite positioning terminals numbered d1 to d3 are observed in sequence. The lengths of the observation baselines are d21 and d3. 12 ,d21 13 , d22 12 d22 13 , the second observation period ended.
[0076] The first observation period corresponds to the first distance information between the first observation point and the first second observation point It is calculated by the following formula (8):
[0077] (8)
[0078] The second observation period corresponds to the first distance information between the first observation point and the first second observation point It is calculated by the following formula (9):
[0079] (9)
[0080] The first observation period corresponds to the first distance information between the first observation point and the second observation point It is calculated by the following formula (10):
[0081] (10)
[0082] The second observation period corresponds to the first distance information between the first observation point and the first second observation point It is calculated by the following formula (11).
[0083] (11)
[0084] In some optional implementations, when the distance measuring device to be detected is a total station to be tested, the above step S205 further includes:
[0085] Step S2052, determining the scale data of the total station to be detected based on the observation distance information between each second observation point and the first observation point detected by the total station to be detected, the reference distance information between each second observation point and the first observation point, and the second relationship;
[0086] The second relationship is shown in equations (12), (13), and (14):
[0087] (12)
[0088] (13)
[0089] (14)
[0090] in, Indicates the scale data of the total station to be tested, Indicates the reference distance information between the first observation point and the first second observation point. Represents the reference distance information between the first observation point and the second observation point. Indicates the first distance information between the first observation point and the first second observation point corresponding to the first observation period, Indicates the first distance information between the first observation point and the first second observation point corresponding to the second observation period, Indicates the first distance information between the first observation point and the second observation point corresponding to the first observation period. Indicates the first distance information between the first observation point and the second observation point corresponding to the second observation period, Represents the observation distance information between the first second observation point and the first observation point, Represents the observation distance information between the second observation point and the first observation point, Indicates the second distance information between the first observation point and the first second observation point corresponding to the first observation period, Indicates the second distance information between the first observation point and the first second observation point corresponding to the second observation period, Indicates the second distance information between the first observation point corresponding to the first observation and the second observation point. Represents the second distance information between the first observation point and the second observation point corresponding to the second observation period.
[0091] Exemplarily, in the embodiment of the present application, the observation distance information between each second observation point detected by the total station to be detected and the first observation point is determined in the following manner:
[0092] The total station to be tested (parameters are a"+b"×s, a" is fixed error, b" is proportional error, unit is mm / km, s is the length of the test baseline, unit is km) must undergo "additive constant" and "prism constant difference" precision tests; the total station to be tested is set up on point TP01 and leveled, and the instrument height is measured; two prisms with basically equal constant differences of the "reference prism" used in the prism constant difference test and the total station additive constant test are selected (constant difference ≤ 0.1mm, prisms greater than 0.1mm can be used to correct the constant difference of the measured distance) are set up on the TP02 and TP03 observation piers, leveled, and the prism height is measured; the prism face is aligned with the direction of the total station to be tested; the meteorological parameters at both ends of the baseline are recorded and the station information is input into the instrument; the observation distances are S11 and S20 as specified. 12 、S11 13 , S11 12 Indicates the distance between observation pier TP01 and observation pier TP02, S11 13 Indicates the distance between observation pier TP01 and observation pier TP03; rotate the prism base 180° and slightly level it, record the meteorological parameters and input them into the instrument, and measure the number of observations according to the regulations. The observation distances are S12 12 、S12 13 Among them, similarly, S12 12 Indicates the distance between observation pier TP01 and observation pier TP02, S12 13 Indicates the distance between observation pier TP01 and observation pier TP03. Observation is performed in sequence according to the observation steps of the first expected detection total station, and the observation distances are S21 12 、S21 13 、S22 12 、S22 13 The second observation period ends.
[0093] The first observation period corresponds to the first distance information between the first observation point and the first second observation point It is calculated by the following formula (15):
[0094] (15)
[0095] The second observation period corresponds to the first distance information between the first observation point and the first second observation point It is calculated by the following formula (16):
[0096] (16)
[0097] The first observation period corresponds to the first distance information between the first observation point and the second observation point It is calculated by the following formula (17):
[0098] (17)
[0099] The second observation period corresponds to the first distance information between the first observation point and the first second observation point It is calculated by the following formula (18).
[0100] (18)
[0101] Step S206: Determine the to-be-detected ranging device whose scale data meets the preset requirements among the different to-be-detected ranging devices as the target ranging device. Figure 1 Step S106 of the illustrated embodiment will not be described in detail here.
[0102] In this embodiment, a distance measurement scale detection method of a distance measurement device is provided, which can be used for the above-mentioned server. Figure 4 is a flow chart of a distance measurement scale detection method of a distance measurement device according to an embodiment of the present invention. Figure 4 As shown, the process includes the following steps:
[0103] Step S401: Use a reference distance measuring device to perform two-phase observations on the distance between a first observation point and at least one second observation point, and obtain first distance information between each second observation point and the first observation point corresponding to each observation phase. Figure 1 Step S201 of the illustrated embodiment will not be described in detail here.
[0104] Step S402: Use different distance measuring devices to be detected to perform two phases of observation on the distance between the first observation point and at least one second observation point, and obtain the second distance information between each second observation point and the first observation point obtained by each distance measuring device to be detected in each phase of observation. Figure 1 Step S202 of the illustrated embodiment will not be described in detail here.
[0105] Step S403, based on the first distance information between each second observation point and the first observation point corresponding to each observation period, calculate the reference distance information between the corresponding second observation point and the first observation point. Figure 1 Step S203 of the illustrated embodiment will not be described in detail here.
[0106] Step S404, based on the second distance information between each second observation point and the first observation point obtained by each to-be-detected distance measuring device in each observation period, calculate the observation distance information between the corresponding second observation point detected by the to-be-detected distance measuring device and the first observation point. Figure 1 Step S204 of the illustrated embodiment will not be described in detail here.
[0107] Step S405: Determine the scale data of the corresponding to-be-detected distance measuring device based on the observation distance information between each second observation point and the first observation point detected by each to-be-detected distance measuring device and the reference distance information between each second observation point and the first observation point. Figure 1 Step S205 of the illustrated embodiment will not be described in detail here.
[0108] Step S406: Determine the to-be-detected ranging device whose scale data meets the preset requirement among the different to-be-detected ranging devices as the target ranging device.
[0109] Specifically, the above step S406 includes:
[0110] Step S4061, obtaining the scale deviation range of the distance measurement device to be detected.
[0111] For example, in the embodiment of the present application, the scale deviation range of the satellite positioning terminal to be detected is 0 to 2×10 -6 .
[0112] Step S4062: Determine the to-be-detected ranging device whose scale data is within the scale deviation range among the different to-be-detected ranging devices as the target ranging device.
[0113] For example, in the embodiment of the present application, if Average ≤2×10 -6 , then the measurement scales of the satellite terminals and total stations to be tested are consistent and can be used simultaneously, otherwise they cannot be used simultaneously; if Only one of the instruments is ≤2×10 -6 , or both are greater than 2×10 -6 , then the scales of the two instruments are inconsistent and cannot be used at the same time.
[0114] In some optional embodiments, the method further comprises:
[0115] Step a1, obtaining the detection error threshold of each to-be-detected ranging device.
[0116] Exemplarily, in the embodiment of the present application, the detection error threshold of the satellite positioning terminal to be detected is 0.3+b×d (0.3 is the "residual error (empirical value)" after eliminating the fixed error, b is the proportional error of the satellite terminal in measuring the detection baseline, and d is the length of the detection baseline), and the detection error threshold of the total station to be detected is a"+b"×s (a" is the additive constant, b" is the multiplication constant, unit is mm / km, s is the length of the detection baseline, unit is km).
[0117] Step a2: based on the second distance information between each second observation point and the first observation point obtained by each to-be-detected distance-measuring device in each observation period, calculate the distance detection error of the corresponding to-be-detected distance-measuring device.
[0118] For example, in the embodiment of the present application, the detection error of the satellite positioning terminal to be detected is It is calculated by the following formula (19):
[0119] (19)
[0120] The detection error of the total station to be tested It is calculated by the following formula (20):
[0121] (20)
[0122] Step a3: if the distance detection error of any to-be-detected distance measuring device is less than or equal to the detection error threshold of the corresponding to-be-detected distance measuring device, it is determined that the detection error of the to-be-detected distance measuring device meets the requirement.
[0123] For example, in the embodiment of the present application, if the detection error of the satellite positioning terminal to be detected meets the requirements, the satellite positioning terminal to be detected is qualified, otherwise, it is unqualified. If the detection error of the total station to be detected meets the requirements, the total station to be detected is qualified, otherwise, it is unqualified.
[0124] In the present embodiment, a distance measuring scale detection device of a distance measuring device is also provided, and the device is used to implement the above-mentioned embodiment and preferred implementation mode, and the descriptions that have been made are not repeated. As used below, the term "module" can implement a combination of software and / or hardware of a predetermined function. Although the device described in the following embodiments is preferably implemented in software, the implementation of hardware, or a combination of software and hardware is also possible and conceivable.
[0125] This embodiment provides a distance measurement scale detection device for a distance measurement device, such as Figure 5 As shown, including:
[0126] The first observation module 501 is used to perform two-period observations of the distance between the first observation point and at least one second observation point using a reference distance measuring device, and obtain first distance information between each second observation point and the first observation point corresponding to each observation period;
[0127] The second observation module 502 is used to use the to-be-detected distance measuring device to perform two-phase observations on the distance between the first observation point and at least one second observation point, and obtain second distance information between each second observation point and the first observation point obtained by each to-be-detected distance measuring device in each phase of observation;
[0128] A first calculation module 503, configured to calculate reference distance information between a corresponding second observation point and the first observation point based on first distance information between each corresponding second observation point and the first observation point in each observation period;
[0129] A second calculation module 504 is used to calculate the observation distance information between the corresponding second observation point detected by the corresponding ranging device to be detected and the first observation point based on the second distance information between each second observation point and the first observation point obtained by each ranging device to be detected in each observation period;
[0130] A first determination module 505 is used to determine the scale data of the corresponding to-be-detected ranging device based on the observation distance information between each second observation point and the first observation point detected by each to-be-detected ranging device and the reference distance information between each second observation point and the first observation point;
[0131] The second determination module 506 determines the to-be-detected ranging device whose scale data meets the preset requirement among the different to-be-detected ranging devices as the target ranging device.
[0132] In some optional implementations, the second determining module 506 includes:
[0133] The acquisition submodule is used to obtain the scale deviation range of the distance measuring device to be detected;
[0134] The first determination submodule is used to determine the to-be-detected ranging device whose scale data is within the scale deviation range among different to-be-detected ranging devices as the target ranging device.
[0135] In some optional embodiments, the above device further includes:
[0136] An acquisition module is used to acquire a detection error threshold of each distance measurement device to be detected;
[0137] A third calculation module is used to calculate the distance detection error of the corresponding ranging device to be detected based on the second distance information between each second observation point and the first observation point obtained by each ranging device to be detected in each observation period;
[0138] The second determination submodule is used to determine that the detection error of any to-be-detected distance measuring device meets the requirement if the distance detection error of any to-be-detected distance measuring device is less than or equal to the detection error threshold of the corresponding to-be-detected distance measuring device.
[0139] In some optional implementations, the number of the second observation points is two, and when the to-be-detected ranging device is a to-be-detected satellite positioning terminal, the first determination module 505 includes:
[0140] A third determination submodule is used to determine the scale data of the satellite positioning terminal to be detected based on the observation distance information between the second observation point and the first observation point detected by the satellite positioning terminal to be detected, the reference distance information between each second observation point and the first observation point, and the first relationship;
[0141] The first relation is:
[0142]
[0143]
[0144]
[0145] in, Indicates the scale data of the satellite positioning terminal to be detected, Indicates the reference distance information between the first observation point and the first second observation point. Represents the reference distance information between the first observation point and the second observation point. Indicates the first distance information between the first observation point and the first second observation point corresponding to the first observation period, Indicates the first distance information between the first observation point and the first second observation point corresponding to the second observation period, Represents the observation distance information between the first second observation point and the first observation point, Represents the observation distance information between the second observation point and the first observation point, Indicates the second distance information between the first observation point and the first second observation point corresponding to the first observation period, Indicates the second distance information between the first observation point and the first second observation point corresponding to the second observation period, Indicates the second distance information between the first observation point corresponding to the first observation and the second observation point. Represents the second distance information between the first observation point and the second observation point corresponding to the second observation period.
[0146] In some optional implementations, when the distance measuring device to be detected is a total station to be measured, the first determination module 505 further includes:
[0147] A fourth determination submodule, for determining the scale detection error of the total station to be detected based on the observation distance information between each second observation point and the first observation point detected by the total station to be detected, the reference distance information between each second observation point and the first observation point, and the second relationship;
[0148] The second relationship is:
[0149]
[0150]
[0151]
[0152] in, Indicates the scale data of the total station to be tested, Indicates the reference distance information between the first observation point and the first second observation point. Represents the reference distance information between the first observation point and the second observation point. Indicates the first distance information between the first observation point and the first second observation point corresponding to the first observation period, Indicates the first distance information between the first observation point and the first second observation point corresponding to the second observation period, Represents the observation distance information between the first second observation point and the first observation point, Represents the observation distance information between the second observation point and the first observation point, Indicates the second distance information between the first observation point and the first second observation point corresponding to the first observation period, Indicates the second distance information between the first observation point and the first second observation point corresponding to the second observation period, Indicates the second distance information between the first observation point corresponding to the first observation and the second observation point. Represents the second distance information between the first observation point and the second observation point corresponding to the second observation period.
[0153] The further functional description of each of the above modules and units is the same as that of the above corresponding embodiments and will not be repeated here.
[0154] The distance measurement scale detection device of the distance measurement device in this embodiment is presented in the form of a functional unit, where the unit refers to an ASIC (Application Specific Integrated Circuit) circuit, a processor and a memory that executes one or more software or fixed programs, and / or other devices that can provide the above functions.
[0155] The embodiment of the present invention also provides a computer device having the above Figure 5 The distance measuring scale detection device of the distance measuring device shown.
[0156] See also Figure 6 , Figure 6 is a schematic diagram of the structure of a computer device provided by an optional embodiment of the present invention, such as Figure 6As shown, the computer device includes: one or more processors 10, a memory 20, and interfaces for connecting various components, including high-speed interfaces and low-speed interfaces. Various components are connected to each other using different buses for communication, and can be installed on a common mainboard or installed in other ways as needed. The processor can process the instructions executed in the computer device, including instructions stored in or on the memory to display the graphical information of the GUI on an external input / output device (such as, a display device coupled to the interface). In some optional embodiments, if necessary, multiple processors and / or multiple buses can be used together with multiple memories and multiple memories. Similarly, multiple computer devices can be connected, and each device provides some necessary operations (for example, as a server array, a group of blade servers, or a multi-processor system). Figure 6 A processor 10 is taken as an example.
[0157] The processor 10 may be a central processing unit, a network processor or a combination thereof. The processor 10 may further include a hardware chip. The hardware chip may be a dedicated integrated circuit, a programmable logic device or a combination thereof. The programmable logic device may be a complex programmable logic device, a field programmable gate array, a general purpose array logic or any combination thereof.
[0158] The memory 20 stores instructions executable by at least one processor 10, so that the at least one processor 10 executes the method shown in the above embodiment.
[0159] The memory 20 may include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application required for at least one function; the data storage area may store data created according to the use of the computer device, etc. In addition, the memory 20 may include a high-speed random access memory, and may also include a non-transient memory, such as at least one disk storage device, a flash memory device, or other non-transient solid-state storage device. In some optional embodiments, the memory 20 may optionally include a memory remotely arranged relative to the processor 10, and these remote memories may be connected to the computer device via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.
[0160] The memory 20 may include a volatile memory, such as a random access memory; the memory may also include a non-volatile memory, such as a flash memory, a hard disk or a solid state drive; the memory 20 may also include a combination of the above types of memory.
[0161] The computer device further comprises a communication interface 30 for the computer device to communicate with other devices or a communication network.
[0162] The embodiment of the present invention also provides a computer-readable storage medium. The method according to the embodiment of the present invention can be implemented in hardware, firmware, or can be implemented as a computer code that can be recorded in a storage medium, or can be implemented as a computer code that is originally stored in a remote storage medium or a non-temporary machine-readable storage medium and will be stored in a local storage medium through a network download, so that the method described herein can be stored in such software processing on a storage medium using a general-purpose computer, a dedicated processor, or programmable or dedicated hardware. Among them, the storage medium can be a magnetic disk, an optical disk, a read-only storage memory, a random access memory, a flash memory, a hard disk or a solid-state hard disk, etc.; further, the storage medium can also include a combination of the above types of memories. It can be understood that a computer, a processor, a microprocessor controller, or programmable hardware includes a storage component that can store or receive software or computer code. When the software or computer code is accessed and executed by a computer, a processor, or hardware, the method shown in the above embodiment is implemented.
[0163] A part of the present invention may be applied as a computer program product, such as a computer program instruction, which, when executed by a computer, can call or provide the method and / or technical solution according to the present invention through the operation of the computer. Those skilled in the art should understand that the existence of the computer program instruction in a computer-readable medium includes, but is not limited to, a source file, an executable file, an installation package file, etc., and accordingly, the way in which the computer program instruction is executed by the computer includes, but is not limited to: the computer directly executes the instruction, or the computer compiles the instruction and then executes the corresponding compiled program, or the computer reads and executes the instruction, or the computer reads and installs the instruction and then executes the corresponding installed program. Here, the computer-readable medium may be any available computer-readable storage medium or communication medium accessible to the computer.
[0164] Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.
Claims
1. A distance measurement scale detection method for a distance measurement device, characterized in that: The method comprises: Using a reference distance measuring device to perform two-phase observations on the distance between a first observation point and at least one second observation point, and obtain first distance information between each second observation point and the first observation point corresponding to each phase of observation; Sequentially using different to-be-detected distance measuring devices to perform two phases of observation on the distance between the first observation point and at least one second observation point, and obtaining second distance information between each second observation point and the first observation point obtained by each to-be-detected distance measuring device in each phase of observation; Calculate the reference distance information between the corresponding second observation point and the first observation point based on the first distance information between each second observation point and the first observation point corresponding to each observation period; Calculate the observation distance information between the corresponding second observation point detected by the corresponding ranging device to be detected and the first observation point based on the second distance information between each second observation point and the first observation point obtained by each ranging device to be detected in each observation period; Determine the scale data of the corresponding to-be-detected distance measuring device based on the observation distance information between each second observation point and the first observation point detected by each to-be-detected distance measuring device and the reference distance information between each second observation point and the first observation point; The to-be-detected ranging device whose scale data meets the preset requirements is determined as the target ranging device.
2. The method according to claim 1, characterized in that The step of determining the to-be-detected ranging device whose scale data among different to-be-detected ranging devices meets preset requirements as the target ranging device comprises: Obtain the scale deviation range of the distance measuring device to be detected; The to-be-detected ranging device whose scale data is within the scale deviation range among the different to-be-detected ranging devices is determined as the target ranging device.
3. The method according to claim 1, characterized in that: The method further comprises: Obtaining a detection error threshold of each to-be-detected ranging device; Based on the second distance information between each second observation point and the first observation point obtained by each to-be-detected distance-measuring device in each observation period, calculating the distance detection error corresponding to the to-be-detected distance-measuring device; If the distance detection error of any to-be-detected distance measuring device is less than or equal to the detection error threshold of the corresponding to-be-detected distance measuring device, it is determined that the detection error of the to-be-detected distance measuring device meets the requirement.
4. The method according to claim 1, characterized in that: The number of the second observation points is two, the to-be-detected ranging device is a to-be-detected satellite positioning terminal, and the step of determining the scale data of the to-be-detected ranging device based on the observation distance information between each second observation point and the first observation point detected by each to-be-detected ranging device and the reference distance information between each second observation point and the first observation point comprises: Determine the scale data of the satellite positioning terminal to be detected based on the observation distance information between the second observation point and the first observation point detected by the satellite positioning terminal to be detected, the reference distance information between each second observation point and the first observation point, and the first relationship; The first relation is: in, Indicates the scale data of the satellite positioning terminal to be detected, Indicates the reference distance information between the first observation point and the first second observation point. Represents the reference distance information between the first observation point and the second observation point. Indicates the first distance information between the first observation point and the first second observation point corresponding to the first observation period, Indicates the first distance information between the first observation point and the first second observation point corresponding to the second observation period, Indicates the first distance information between the first observation point and the second observation point corresponding to the first observation period. Indicates the first distance information between the first observation point and the second observation point corresponding to the second observation period, Represents the observation distance information between the first second observation point and the first observation point, Represents the observation distance information between the second observation point and the first observation point, Indicates the second distance information between the first observation point and the first second observation point corresponding to the first observation period, Indicates the second distance information between the first observation point and the first second observation point corresponding to the second observation period, Indicates the second distance information between the first observation point corresponding to the first observation and the second observation point. Represents the second distance information between the first observation point and the second observation point corresponding to the second observation period.
5. The method according to claim 1, characterized in that The number of the second observation points is two, the to-be-detected distance measuring device is a to-be-detected total station, and the step of determining the error in scale detection of the to-be-detected distance measuring device based on the observation distance information between each second observation point and the first observation point and the reference distance information between each second observation point and the first observation point includes: Determine the scale data of the total station to be detected based on the observation distance information between each second observation point and the first observation point detected by the total station to be detected, the reference distance information between each second observation point and the first observation point, and the second relationship; The second relation is: in, Indicates the scale data of the total station to be tested, Indicates the reference distance information between the first observation point and the first second observation point. The reference distance information between the first observation point and the second observation point is shown. Indicates the first distance information between the first observation point and the first second observation point corresponding to the first observation period, Indicates the first distance information between the first observation point and the first second observation point corresponding to the second observation period, Represents the observation distance information between the first second observation point and the first observation point, Represents the observation distance information between the second observation point and the first observation point, Indicates the second distance information between the first observation point and the first second observation point corresponding to the first observation period, Indicates the second distance information between the first observation point and the first second observation point corresponding to the second observation period, Indicates the second distance information between the first observation point corresponding to the first observation and the second observation point. Represents the second distance information between the first observation point and the second observation point corresponding to the second observation period.
6. A distance measurement scale detection device for a distance measurement device, characterized in that: The device comprises: A first observation module, configured to perform two-period observations of the distance between the first observation point and at least one second observation point using a reference distance measuring device, and obtain first distance information between each second observation point and the first observation point corresponding to each observation period; A second observation module, used to use the to-be-detected distance measuring device to perform two-phase observations on the distance between the first observation point and at least one second observation point, and obtain second distance information between each second observation point and the first observation point obtained by each to-be-detected distance measuring device in each phase of observation; A first calculation module, used for calculating the reference distance information between the corresponding second observation point and the first observation point based on the first distance information between each second observation point and the first observation point corresponding to each observation period; A second calculation module is used to calculate the observation distance information between the corresponding second observation point detected by the corresponding ranging device to be detected and the first observation point based on the second distance information between each second observation point and the first observation point obtained by each ranging device to be detected in each observation period; A first determination module is used to determine the scale data of the corresponding to-be-detected ranging device based on the observation distance information between each second observation point and the first observation point detected by each to-be-detected ranging device and the reference distance information between each second observation point and the first observation point; The second determination module is used to determine the to-be-detected ranging device whose scale data meets the preset requirements among different to-be-detected ranging devices as the target ranging device.
7. A computer device, characterized in that: include: A memory and a processor, wherein the memory and the processor are communicatively connected to each other, the memory stores computer instructions, and the processor executes the distance measurement scale detection method of the distance measurement device according to any one of claims 1 to 5 by executing the computer instructions.
8. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a computer to execute the distance measurement scale detection method of the distance measurement device according to any one of claims 1 to 5.
9. A computer program product, characterized in that The method comprises computer instructions, wherein the computer instructions are used to enable a computer to execute the distance measurement scale detection method of the distance measurement device according to any one of claims 1 to 5.
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