A radar digital prototype calibration and verification method and device

Abstract

The present invention discloses a radar digital prototype calibration and verification method and device, the method comprising: obtaining a data information set to be processed; analyzing and processing the data information set to be processed to obtain a first adjustment factor information set and a first technical parameter closure information set; fusing the data information set to be processed, the first adjustment factor information set and the first technical parameter closure information set to obtain a target adjustment factor information set. It can be seen that the present application is conducive to improving the efficiency and accuracy of the radar digital prototype calibration and verification by calibrating and verifying various technical parameters of the radar digital prototype.

Description

Technical Field

[0001] The invention relates to the field of radar digital prototypes, and in particular to a radar digital prototype calibration and verification method and device. Background Art

[0002] At present, most of the closed-loop verification of technical parameters and performance indicators of radar digital prototypes is carried out manually, which has some specific problems and challenges. For example, manual verification relies on the skills and experience of the operator and is therefore susceptible to human errors. Including improper operation, insufficient observation, recording errors, etc., which may lead to inaccurate verification results. In addition, different operators may perform the verification process based on their personal understanding and experience, making it difficult to ensure the consistency of the verification results. In addition, ensuring that uniform standards and methods are followed is also a challenge, which may lead to different verification results in different batches or locations. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a radar digital prototype calibration and verification method and device, which is beneficial to improving the efficiency and accuracy of the radar digital prototype calibration and verification by calibrating and verifying various technical parameters of the radar digital prototype.

[0004] In order to solve the above technical problems, the first aspect of the embodiment of the present invention discloses a radar digital prototype calibration and verification method, the method comprising:

[0005] S1, obtaining a set of data information to be processed; the set of data information to be processed includes a plurality of data information to be processed; the data information to be processed includes scene data information and first adjustment factor initial information; the first adjustment factor initial information includes a plurality of first adjustment factor initial values;

[0006] S2, analyzing and processing the data information set to be processed to obtain a first adjustment factor information set and a first technical parameter closure information set; the first adjustment factor information set includes a plurality of first adjustment factor information; the first technical parameter closure information set includes a plurality of first technical parameter closure information;

[0007] S3, fusing the to-be-processed data information set, the first adjustment factor information set and the first technical parameter closure information set to obtain a target adjustment factor information set.

[0008] As an optional implementation manner, in the first aspect of the embodiment of the present invention, the analyzing and processing the to-be-processed data information set to obtain the first adjustment factor information set and the first technical parameter closure information set includes:

[0009] S21, presetting a first adjustment factor step size;

[0010] S22, using the scene data information and the first adjustment factor initial information in any one of the data information to be processed in the data information set to be processed, to operate the radar digital prototype to obtain first technical parameter information;

[0011] S23, processing the first technical parameter information and preset technical parameter information to obtain second technical parameter closure information;

[0012] S24, calculating and processing the data information to be processed, the technical parameter information, the first adjustment factor step size and the second technical parameter closure information to obtain first adjustment factor information and first technical parameter closure information.

[0013] As an optional implementation manner, in the first aspect of the embodiment of the present invention, the processing of the first technical parameter information and the preset technical parameter information to obtain the second technical parameter closure information includes:

[0014] S231, preset s=1;

[0015] S232: the sth first technical parameter value JC in the first technical parameter information s and the sth technical parameter value T in the technical parameter information s The absolute value of the difference divided by the technical parameter value T s , get the technical parameter closure value BH s ;

[0016] S233, the technical parameter closure value BH s Added to the second technical parameter closure information;

[0017] S234, determining whether s is greater than the number of the first technical parameter values ​​in the first technical parameter information, and obtaining a first determination result;

[0018] When the first judgment result is no, increase the s by 1 and execute S232;

[0019] When the first judgment result is yes, execute S24.

[0020] As an optional implementation manner, in the first aspect of the embodiment of the present invention, the calculating and processing the data information to be processed, the technical parameter information, the first adjustment factor step size and the second technical parameter closure information to obtain the first adjustment factor information and the first technical parameter closure information includes:

[0021] S241, adding the first adjustment factor initial information to a set of adjustment factor information to be processed; adding the second technical parameter closure information to a set of technical parameter closure to be processed;

[0022] S242, determining whether all the technical parameter closure values ​​in the second technical parameter closure information are less than a preset technical parameter closure threshold, and obtaining a second determination result;

[0023] When the second judgment result is yes, determining the first adjustment factor initial information as the first adjustment factor information; determining the second technical parameter closure information as the first technical parameter closure information, and ending the current process;

[0024] When the second judgment result is no, executing S243;

[0025] S243: multiply all the first adjustment factor initial values ​​in the first adjustment factor initial information by the first adjustment factor step size to obtain updated first adjustment factor initial information, and determine the updated first adjustment factor initial information as the first adjustment factor initial information;

[0026] S244, determining whether any of the first adjustment factor initial values ​​in the first adjustment factor initial information is greater than a preset upper limit value corresponding to the first adjustment factor initial value, and obtaining a third determination result;

[0027] When the third judgment result is no, executing S22;

[0028] When the third judgment result is yes, execute S245;

[0029] S245: Analyze and process the adjustment factor information set to be processed and the technical parameter closure degree set to be processed to obtain the first adjustment factor information and the first technical parameter closure degree information.

[0030] As an optional implementation manner, in the first aspect of the embodiment of the present invention, the fusing processing of the to-be-processed data information set, the first adjustment factor information set and the first technical parameter closure information set to obtain the target adjustment factor information set includes:

[0031] S31, processing the first technical parameter closure information set to obtain a first technical parameter closure value;

[0032] S32, fusing the to-be-processed data information set, the first adjustment factor information set, the first technical parameter closure information set and the first technical parameter closure value to obtain a target adjustment factor information set; the target adjustment factor information set includes a plurality of target adjustment factor information.

[0033] As an optional implementation manner, in the first aspect of the embodiment of the present invention, the processing of the first technical parameter closure information set to obtain the first technical parameter closure value includes:

[0034] S311, using a first closure calculation model, calculating and processing the first technical parameter closure information set to obtain a second technical parameter closure value;

[0035] Wherein, the first closure calculation model is:

[0036]

[0037] Wherein, JX2 is the closure value of the second technical parameter, HD is the sum of the closure values ​​of the technical parameter in all the closure information of the first technical parameter in the closure information set of the first technical parameter, M is the total number of the closure values ​​of the technical parameter in all the closure information of the first technical parameter in the closure information set of the first technical parameter, δ1 and δ2 are the first weight parameter and the second weight parameter;

[0038] S312, preprocessing the first technical parameter closure information set to obtain a preprocessed technical parameter closure information set;

[0039] S313, calculating and processing the preprocessing technical parameter closure information set to obtain a third technical parameter closure value;

[0040] S314, using a second closure calculation model, calculating and processing the second technical parameter closure value and the third technical parameter closure value to obtain a first technical parameter closure value;

[0041] Wherein, the second closure calculation model is:

[0042] JX1=δ3·JX2+δ4·JX3 0<δ3, δ4<1;

[0043] δ3+δ4=1;

[0044] Wherein, JX1, JX2 and JX3 are the closure value of the first technical parameter, the closure value of the second technical parameter and the closure value of the third technical parameter, respectively; δ3 and δ4 are the third weight parameter and the fourth weight parameter, respectively.

[0045] As an optional implementation manner, in the first aspect of the embodiment of the present invention, the fusion processing of the to-be-processed data information set, the first adjustment factor information set, the first technical parameter closure information set and the first technical parameter closure value to obtain the target adjustment factor information set includes:

[0046] S321, averaging all the technical parameter closure values ​​in any one of the first technical parameter closure information in the first technical parameter closure information set to obtain a technical parameter closure mean;

[0047] S322, determining whether the technical parameter closure mean value is less than the first technical parameter closure value, and obtaining a fourth determination result;

[0048] When the fourth judgment result is yes, determining that the first adjustment factor information corresponding to the first technical parameter closure information is the target adjustment factor information;

[0049] When the fourth judgment result is no, executing S323;

[0050] S323: fusing the to-be-processed data information set, the first adjustment factor information corresponding to the first technical parameter closure information, and the first technical parameter closure value to obtain the target adjustment factor information.

[0051] A second aspect of an embodiment of the present invention discloses a radar digital prototype calibration and verification device, characterized in that the device comprises:

[0052] An acquisition module, used for acquiring a data information set to be processed; the data information set to be processed includes a plurality of data information to be processed; the data information to be processed includes scene data information and first adjustment factor initial information; the first adjustment factor initial information includes a plurality of first adjustment factor initial values;

[0053] A first calculation module is used to analyze and process the data information set to be processed to obtain a first adjustment factor information set and a first technical parameter closure information set; the first adjustment factor information set includes a plurality of first adjustment factor information; the first technical parameter closure information set includes a plurality of first technical parameter closure information;

[0054] The second calculation module is used to fuse the to-be-processed data information set, the first adjustment factor information set and the first technical parameter closure information set to obtain a target adjustment factor information set.

[0055] A third aspect of an embodiment of the present invention discloses another radar digital prototype calibration and verification device, characterized in that the device comprises:

[0056] processor;

[0057] a memory coupled to the processor and storing executable program code;

[0058] The processor calls the executable program code stored in the memory to execute part or all of the steps of the radar digital prototype calibration and verification method disclosed in the first aspect of the embodiment of the present invention.

[0059] A fourth aspect of an embodiment of the present invention discloses a computer-readable storage medium, characterized in that the computer-readable storage medium stores computer instructions, and when the computer instructions are called, they are used to execute part or all of the steps of the radar digital prototype calibration and verification method disclosed in the first aspect of the embodiment of the present invention.

[0060] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0061] In an embodiment of the present invention, a data information set to be processed is obtained; the data information set to be processed includes several data information to be processed; the data information to be processed includes scene data information and first adjustment factor initial information; the first adjustment factor initial information includes several first adjustment factor initial values; the data information set to be processed is analyzed and processed to obtain a first adjustment factor information set and a first technical parameter closure information set; the first adjustment factor information set includes several first adjustment factor information; the first technical parameter closure information set includes several first technical parameter closure information; the data information set to be processed, the first adjustment factor information set and the first technical parameter closure information set are fused to obtain a target adjustment factor information set. It can be seen that the present application is conducive to improving the efficiency and accuracy of radar digital prototype calibration and verification by calibrating and verifying various technical parameters of the radar digital prototype. BRIEF DESCRIPTION OF THE DRAWINGS

[0062] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0063] Figure 1 A schematic diagram of a flow chart of a radar digital prototype calibration and verification method disclosed in an embodiment of the present invention;

[0064] Figure 2 A schematic diagram of the structure of a radar digital prototype calibration and verification device disclosed in an embodiment of the present invention;

[0065] Figure 3 The present invention is a schematic structural diagram of another radar digital prototype calibration and verification device disclosed in an embodiment of the present invention. DETAILED DESCRIPTION

[0066] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme 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 only 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 ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0067] The terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, device, product or equipment that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units that are not listed, or may optionally include other steps or units that are inherent to these processes, methods, products or equipment.

[0068] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0069] It should be noted that the closure in this application refers to the degree of difference between the measurement results obtained by the radar digital prototype during the verification process and the known standard value or theoretical value. This difference is usually used to evaluate the accuracy of radar measurement and the reliability of the system. The closure value in this application is the ratio of the degree of difference between the measurement results obtained by the radar digital prototype during the verification process and the known standard value or theoretical value to the known standard value or theoretical value.

[0070] The present invention discloses a radar digital prototype calibration and verification method and device, which is beneficial to improving the efficiency and accuracy of the radar digital prototype calibration and verification by calibrating and verifying various technical parameters of the radar digital prototype. Detailed descriptions are given below.

[0071] Embodiment 1

[0072] See also Figure 1 , Figure 1 1 is a flow chart of a radar digital prototype calibration and verification method disclosed in an embodiment of the present invention. Figure 1The radar digital prototype calibration and verification method described is applied to a radar digital prototype calibration and verification device, such as a local server or cloud server for radar digital prototype calibration and verification optimization management, and the embodiments of the present invention are not limited thereto. Figure 1 As shown, the radar digital prototype verification method may include the following operations:

[0073] S1, obtaining a set of data information to be processed; the set of data information to be processed includes a plurality of data information to be processed; the data information to be processed includes scene data information and first adjustment factor initial information; the first adjustment factor initial information includes a plurality of first adjustment factor initial values;

[0074] It should be noted that the scenario data information is time-varying scenario data including a variety of targets, environments and interferences used for verification testing of the radar digital prototype;

[0075] Preferably, the scene data information and the first adjustment factor initial information in the data information to be processed include 5 categories, which are as follows:

[0076] Category 1:

[0077] Scene data information: scene data suitable for detection distance range verification, including different targets, different terrains, and different weather conditions, where the different targets move from far to near and / or from near to far, from high to low and / or from low to high;

[0078] The first adjustment factor initial information includes the initial values ​​of adjustment factors such as the detection distance correction factor within the adjustment range of the radar digital prototype factory settings. The detection distance correction factor includes but is not limited to adjusting the system loss, environmental noise, receiver noise coefficient, etc. in the radar digital prototype.

[0079] Category 2:

[0080] Scene data information: scene data suitable for measurement accuracy verification, including targets at different angular domains, different heights, and different radial velocities at typical visible distances.

[0081] The initial information of the first adjustment factor includes but is not limited to the initial values ​​of the adjustment factors such as ranging, angle measurement, speed measurement, and height measurement accuracy within the adjustment range of the factory settings of the radar digital prototype. The ranging accuracy correction factor includes but is not limited to adjusting the ranging signal-to-noise ratio loss, time measurement error, etc.; the azimuth angle measurement accuracy correction factor includes but is not limited to adjusting the azimuth width of the antenna beam, the slope of the azimuth angle detection curve, etc.; the elevation angle measurement accuracy correction factor includes but is not limited to adjusting the antenna beam angle detection width, the slope of the elevation angle detection curve, etc.; the speed measurement accuracy correction factor includes but is not limited to adjusting the Doppler filter group width, additional speed measurement error, etc.; the blind speed correction factor includes but is not limited to adjusting the MTI order, repetition frequency difference, etc.

[0082] Category 3:

[0083] Scenario data information: Scenario data suitable for anti-ground and sea clutter capability verification, including a single typical target flying at low altitude and different terrains, different landforms, and different ground and sea clutter distributions.

[0084] The first adjustment factor initial information includes but is not limited to the initial values ​​of the anti-ground and sea clutter correction factors and other adjustment factors within the adjustment range of the radar digital prototype factory settings. The anti-ground and sea clutter correction factors include but are not limited to adjusting the STC coefficient, logarithmic amplifier saturation level, speed sensitivity, signal-to-clutter ratio improvement, visibility in clutter, etc.

[0085] Category 4:

[0086] Scenario data information: Scenario data suitable for anti-main lobe interference capability verification, including a single typical target carrying a suppression jammer and a deception jammer to implement self-defense interference, flying from far to near

[0087] The first adjustment factor initial information includes but is not limited to the initial values ​​of the anti-mainlobe interference correction factor and other adjustment factors within the adjustment range of the radar digital prototype factory settings. The anti-mainlobe interference correction factor includes but is not limited to adjusting the limiting level, filter bandwidth, mainlobe interference signal attenuation, anti-mainlobe interference benefit, etc.

[0088] Category 5:

[0089] Scenario data information: Scenario data suitable for anti-sidelobe interference capability verification, including a typical target flying from far to near, multiple suppression jammers, and multiple deception jammers implementing support interference at different angles; and generation of scenario data suitable for comprehensive verification, including multiple targets, various terrains, various weather conditions, multiple main lobe jammers, and multiple side lobe jammers.

[0090] Initial information of the first adjustment factor: including but not limited to the initial values ​​of adjustment factors such as the anti-sidelobe interference correction factor within the adjustment range of the factory settings of the radar digital prototype. The anti-sidelobe interference correction factor includes but is not limited to adjusting the number of anti-sidelobe channels, the first sidelobe level, the average sidelobe level, the sidelobe interference signal attenuation, the anti-sidelobe interference benefit, etc.

[0091] S2, analyzing and processing the data information set to be processed to obtain a first adjustment factor information set and a first technical parameter closure information set; the first adjustment factor information set includes a plurality of first adjustment factor information; the first technical parameter closure information set includes a plurality of first technical parameter closure information;

[0092] S3, fusing the to-be-processed data information set, the first adjustment factor information set and the first technical parameter closure information set to obtain a target adjustment factor information set.

[0093] It can be seen that the radar digital prototype calibration and verification method described in the embodiment of the present invention is implemented to improve the efficiency and accuracy of the radar digital prototype calibration and verification by calibrating and verifying various technical parameters of the radar digital prototype.

[0094] In an optional embodiment, the analyzing and processing the to-be-processed data information set to obtain a first adjustment factor information set and a first technical parameter closure information set includes:

[0095] S21, presetting a first adjustment factor step size;

[0096] It should be noted that the first adjustment factor step is to adjust the first adjustment factor initial value in the first adjustment factor initial information in the form of a percentage. For example, if the first adjustment factor step is 1.01, each time the first adjustment factor initial value is multiplied, the first adjustment factor initial value will be increased by a step of 0.01 each time.

[0097] S22, using the scene data information and the first adjustment factor initial information in any one of the data information to be processed in the data information set to be processed, to operate the radar digital prototype to obtain first technical parameter information;

[0098] It should be noted that, when the radar digital prototype is run, the data information to be processed is used as the test data for the operation of the radar digital prototype, and the initial information of the first adjustment factor is used as the adjustment parameter for the radar digital prototype to run the data information to be processed. The radar digital prototype is run to obtain the test result data. For example, the first test scenario data mentioned above is used as the data input of the radar digital prototype, and the adjustment factors such as ranging, angle measurement, speed measurement, and height measurement accuracy are used as the adjustment parameters of the radar digital prototype. What is obtained is the technical parameter information such as the system loss, environmental noise, and receiver noise coefficient of the radar digital prototype when the radar digital prototype obtains the farthest detection distance and the closest detection distance of the device.

[0099] It should be noted that the above operation of the radar digital prototype is determined by the radar digital prototype. The operation modes of different radar digital prototypes may be different, and the embodiment of the present invention does not make any specific limitation.

[0100] It should be noted that, through this embodiment, different radar digital prototypes can be calibrated and verified.

[0101] S23, processing the first technical parameter information and preset technical parameter information to obtain second technical parameter closure information;

[0102] It should be noted that the technical parameter information is the theoretical technical parameter information of the radar digital prototype when it leaves the factory.

[0103] S24, calculating and processing the data information to be processed, the technical parameter information, the first adjustment factor step size and the second technical parameter closure information to obtain first adjustment factor information and first technical parameter closure information.

[0104] It can be seen that the radar digital prototype calibration and verification method described in the embodiment of the present invention is implemented to improve the efficiency and accuracy of the radar digital prototype calibration and verification by calibrating and verifying various technical parameters of the radar digital prototype.

[0105] In another optional embodiment, the processing of the first technical parameter information and preset technical parameter information to obtain second technical parameter closure information includes:

[0106] S231, preset s=1;

[0107] S232: the sth first technical parameter value JC in the first technical parameter information s and the sth technical parameter value T in the technical parameter information s The absolute value of the difference divided by the technical parameter value T s , get the technical parameter closure value BH s ;

[0108] S233, the technical parameter closure value BH s Added to the second technical parameter closure information;

[0109] S234, determining whether s is greater than the number of the first technical parameter values ​​in the first technical parameter information, and obtaining a first determination result;

[0110] When the first judgment result is no, increase the s by 1 and execute S232;

[0111] When the first judgment result is yes, the current process ends.

[0112] It can be seen that the radar digital prototype calibration and verification method described in the embodiment of the present invention is implemented to improve the efficiency and accuracy of the radar digital prototype calibration and verification by calibrating and verifying various technical parameters of the radar digital prototype.

[0113] In an optional embodiment, the calculating and processing the data information to be processed, the technical parameter information, the first adjustment factor step size and the second technical parameter closure information to obtain the first adjustment factor information and the first technical parameter closure information includes:

[0114] S241, adding the first adjustment factor initial information to a set of adjustment factor information to be processed; adding the second technical parameter closure information to a set of technical parameter closure to be processed;

[0115] S242, determining whether all the technical parameter closure values ​​in the second technical parameter closure information are less than a preset technical parameter closure threshold, and obtaining a second determination result;

[0116] It should be noted that the above judgment is made based on each technical parameter closure value and the technical parameter closure threshold corresponding to the technical parameter closure value, and the technical parameter closure threshold corresponding to each technical parameter closure value is inconsistent.

[0117] When the second judgment result is yes, determining the first adjustment factor initial information as the first adjustment factor information; determining the second technical parameter closure information as the first technical parameter closure information, and ending the current process;

[0118] When the second judgment result is no, executing S243;

[0119] S243: multiply all the first adjustment factor initial values ​​in the first adjustment factor initial information by the first adjustment factor step size to obtain updated first adjustment factor initial information, and determine the updated first adjustment factor initial information as the first adjustment factor initial information;

[0120] S244, determining whether any of the first adjustment factor initial values ​​in the first adjustment factor initial information is greater than a preset upper limit value corresponding to the first adjustment factor initial value, and obtaining a third determination result;

[0121] When the third judgment result is no, executing S22;

[0122] When the third judgment result is yes, execute S245;

[0123] S245: Analyze and process the adjustment factor information set to be processed and the technical parameter closure degree set to be processed to obtain the first adjustment factor information and the first technical parameter closure degree information.

[0124] It can be seen that the radar digital prototype calibration and verification method described in the embodiment of the present invention is implemented to improve the efficiency and accuracy of the radar digital prototype calibration and verification by calibrating and verifying various technical parameters of the radar digital prototype.

[0125] In an optional embodiment, analyzing and processing the adjustment factor information set to be processed and the technical parameter closure degree set to be processed to obtain the first adjustment factor information and the first technical parameter closure degree information includes:

[0126] S2451, respectively judging the size of all the technical parameter closure values ​​in any of the second technical parameter closure information in the technical parameter closure set to be processed and the technical parameter closure threshold corresponding to the technical parameter closure value, to obtain the number of technical parameter closures; the number of technical parameter closures is the number of all the technical parameter closure values ​​in the second technical parameter closure information that are less than the technical parameter closure threshold corresponding to the technical parameter closure value;

[0127] S2452, performing size determination processing on the closure degree quantities of all technical parameters to obtain the optimal closure degree quantity of the technical parameters; the optimal closure degree quantity of the technical parameters is the one with the largest median value of the closure degree quantities of all technical parameters;

[0128] S2453, determining that the second technical parameter closure information corresponding to the optimal technical parameter closure quantity is the first technical parameter closure information; determining that the first adjustment factor initial information in the adjustment factor information set to be processed corresponding to the first technical parameter closure information is the first adjustment factor information.

[0129] It can be seen that the radar digital prototype calibration and verification method described in the embodiment of the present invention is implemented to improve the efficiency and accuracy of the radar digital prototype calibration and verification by calibrating and verifying various technical parameters of the radar digital prototype.

[0130] In an optional embodiment, the fusing the to-be-processed data information set, the first adjustment factor information set and the first technical parameter closure information set to obtain a target adjustment factor information set includes:

[0131] S31, processing the first technical parameter closure information set to obtain a first technical parameter closure value;

[0132] S32, fusing the to-be-processed data information set, the first adjustment factor information set, the first technical parameter closure information set and the first technical parameter closure value to obtain a target adjustment factor information set; the target adjustment factor information set includes a plurality of target adjustment factor information.

[0133] It should be noted that, by implementing S31 and S32, all parameter indicators of the radar digital prototype after calibration and verification can be made to be close to the theoretical parameter indicators of the radar digital prototype when it leaves the factory, and the differences between the various parameter indicators are small, which is beneficial to improving the overall performance of the radar digital prototype during operation.

[0134] It can be seen that the radar digital prototype calibration and verification method described in the embodiment of the present invention is implemented to improve the efficiency and accuracy of the radar digital prototype calibration and verification by calibrating and verifying various technical parameters of the radar digital prototype.

[0135] In an optional embodiment, the processing the first technical parameter closure information set to obtain the first technical parameter closure value includes:

[0136] S311, using a first closure calculation model, calculating and processing the first technical parameter closure information set to obtain a second technical parameter closure value;

[0137] Wherein, the first closure calculation model is:

[0138]

[0139] Wherein, JX2 is the closure value of the second technical parameter, HD is the sum of the closure values ​​of the technical parameter in all the closure information of the first technical parameter in the closure information set of the first technical parameter, M is the total number of the closure values ​​of the technical parameter in all the closure information of the first technical parameter in the closure information set of the first technical parameter, δ1 and δ2 are the first weight parameter and the second weight parameter;

[0140] It should be noted that the first weight parameter and the second weight parameter may be set by a user or acquired based on historical data, which is not limited in the embodiment of the present invention.

[0141] S312, preprocessing the first technical parameter closure information set to obtain a preprocessed technical parameter closure information set;

[0142] It should be noted that the preprocessing of the first technical parameter closure information set may be to remove the maximum and minimum values ​​of the technical parameter closure values ​​in each first technical parameter closure information in the first technical parameter closure information set, or to remove abnormal values, which is not specifically limited in the embodiment of the present invention.

[0143] S313, calculating and processing the preprocessing technical parameter closure information set to obtain a third technical parameter closure value;

[0144] It should be noted that the calculation process of the preprocessing technical parameter closure information set to obtain the third technical parameter closure value is obtained by using the third closure calculation model;

[0145] Wherein, the third closure calculation model is:

[0146]

[0147] Wherein, JX3 is the closure value of the third technical parameter, w i and α i The weight coefficient and constant coefficient preset for the ith preprocessing technical parameter closure information in the preprocessing technical parameter closure information set, BF i,j is the jth technical parameter closure value in the i-th preprocessing technical parameter closure information in the preprocessing technical parameter closure information set, M is the number of preprocessing technical parameter closure information in the preprocessing technical parameter closure information set, N i is the number of technical parameter closure values ​​in the i-th preprocessing technical parameter closure information in the preprocessing technical parameter closure information set;

[0148] S314, using a second closure calculation model, calculating and processing the second technical parameter closure value and the third technical parameter closure value to obtain a first technical parameter closure value;

[0149] Wherein, the second closure calculation model is:

[0150] JX1=δ3·JX2+δ4·JX3 0<δ3, δ4<1;

[0151] δ3+δ4=1;

[0152] Wherein, JX1, JX2 and JX3 are the closure value of the first technical parameter, the closure value of the second technical parameter and the closure value of the third technical parameter, respectively; δ3 and δ4 are the third weight parameter and the fourth weight parameter, respectively.

[0153] It should be noted that the third weight parameter and the fourth weight parameter may be set by a user or acquired based on historical data, which is not limited in the embodiment of the present invention.

[0154] It can be seen that the radar digital prototype calibration and verification method described in the embodiment of the present invention is implemented to improve the efficiency and accuracy of the radar digital prototype calibration and verification by calibrating and verifying various technical parameters of the radar digital prototype.

[0155] In an optional embodiment, the fusing the to-be-processed data information set, the first adjustment factor information set, the first technical parameter closure information set, and the first technical parameter closure value to obtain a target adjustment factor information set includes:

[0156] S321, averaging all the technical parameter closure values ​​in any one of the first technical parameter closure information in the first technical parameter closure information set to obtain a technical parameter closure mean;

[0157] S322, determining whether the technical parameter closure mean value is less than the first technical parameter closure value, and obtaining a fourth determination result;

[0158] When the fourth judgment result is yes, determining that the first adjustment factor information corresponding to the first technical parameter closure information is the target adjustment factor information;

[0159] When the fourth judgment result is no, executing S323;

[0160] S323: fusing the to-be-processed data information set, the first adjustment factor information corresponding to the first technical parameter closure information, and the first technical parameter closure value to obtain the target adjustment factor information.

[0161] It should be noted that the fusion processing of the data information set to be processed, the first adjustment factor information corresponding to the first technical parameter closure information and the first technical parameter closure value is to use the above-mentioned first adjustment factor information as the first adjustment factor initial information of S22, the scene data information corresponding to the first adjustment factor information as the scene data information in S22, and the first technical parameter closure value as the technical parameter closure threshold preset in S242, execute steps S22-S24 to obtain the first adjustment factor information, and determine that the first adjustment factor information is the target adjustment factor information.

[0162] It can be seen that the radar digital prototype calibration and verification method described in the embodiment of the present invention is implemented to improve the efficiency and accuracy of the radar digital prototype calibration and verification by calibrating and verifying various technical parameters of the radar digital prototype.

[0163] Embodiment 2

[0164] See also Figure 2 , Figure 2 : is a schematic diagram of the structure of a radar digital prototype calibration and verification device disclosed in an embodiment of the present invention. Figure 2 The radar digital prototype calibration and verification device described is applied to a radar digital prototype calibration and verification optimization system, such as a local server or cloud server used for radar digital prototype calibration and verification, and the embodiments of the present invention are not limited thereto. Figure 2 As shown, the radar digital prototype calibration and verification device includes:

[0165] The acquisition module 201 is used to acquire a data information set to be processed; the data information set to be processed includes a plurality of data information to be processed; the data information to be processed includes scene data information and first adjustment factor initial information; the first adjustment factor initial information includes a plurality of first adjustment factor initial values;

[0166] The first calculation module 202 is used to analyze and process the data information set to be processed to obtain a first adjustment factor information set and a first technical parameter closure information set; the first adjustment factor information set includes a plurality of first adjustment factor information; the first technical parameter closure information set includes a plurality of first technical parameter closure information;

[0167] The second calculation module 203 is used to fuse the to-be-processed data information set, the first adjustment factor information set and the first technical parameter closure information set to obtain a target adjustment factor information set.

[0168] It can be seen that the radar digital prototype calibration and verification device described in the embodiment of the present invention is implemented to improve the efficiency and accuracy of the radar digital prototype calibration and verification by calibrating and verifying various technical parameters of the radar digital prototype.

[0169] Embodiment 3

[0170] See also Figure 3 , Figure 3 1 is a schematic diagram of the structure of another radar digital prototype calibration and verification device disclosed in an embodiment of the present invention. Figure 3 The radar digital prototype calibration and verification device described is applied to a radar digital prototype calibration and verification optimization system, such as a local server or cloud server used for radar digital prototype calibration and verification, and the embodiments of the present invention are not limited thereto. Figure 3 As shown, the radar digital prototype calibration and verification device includes:

[0171] Processor 301;

[0172] A memory 302 coupled to the processor 301 and storing executable program codes;

[0173] The processor 301 calls the executable program code stored in the memory 302 to execute part or all of the steps of the radar digital prototype calibration and verification method described in the first embodiment.

[0174] It can be seen that the radar digital prototype calibration and verification device described in the embodiment of the present invention is implemented to improve the efficiency and accuracy of the radar digital prototype calibration and verification by calibrating and verifying various technical parameters of the radar digital prototype.

[0175] Embodiment 4

[0176] An embodiment of the present invention discloses a computer-readable storage medium, characterized in that the computer-readable storage medium stores computer instructions, and when the computer instructions are called, they are used to execute part or all of the steps of the radar digital prototype calibration and verification method described in Example 1.

[0177] Embodiment 5

[0178] An embodiment of the present invention discloses a computer program product, which includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to enable a computer to execute part or all of the steps in the radar digital prototype calibration and verification method described in Example 1.

[0179] The system embodiments described above are only illustrative, wherein the modules described as separate components may or may not be physically separated, and the components displayed as modules may or may not be physical modules, i.e., they may be located in one place, or they may be distributed on multiple network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Those of ordinary skill in the art may understand and implement it without creative labor.

[0180] Through the specific description of the above embodiments, those skilled in the art can clearly understand that each implementation method can be implemented by means of software plus a necessary general hardware platform, and of course, it can also be implemented by hardware. Based on such an understanding, the above technical solution can be essentially or partly contributed to the prior art in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, and the storage medium includes a read-only memory (ROM), a random access memory (RAM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), a one-time programmable read-only memory (OTPROM), an electronically erasable rewritable read-only memory (EEPROM), a compact disc (CD-ROM) or other optical disc storage, a magnetic disk storage, a magnetic tape storage, or any other computer-readable medium that can be used to carry or store data.

[0181] Finally, it should be noted that the radar digital prototype calibration and verification method and device disclosed in the embodiment of the present invention discloses only the preferred embodiments of the present invention, which are only used to illustrate the technical solution of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, it should be understood by those skilled in the art that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features therein can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A radar digital prototype calibration and verification method, characterized in that: The method comprises: S1, obtaining a set of data information to be processed; the set of data information to be processed includes a plurality of data information to be processed; the data information to be processed includes scene data information and first adjustment factor initial information; the first adjustment factor initial information includes a plurality of first adjustment factor initial values; S2, analyzing and processing the data information set to be processed to obtain a first adjustment factor information set and a first technical parameter closure information set; the first adjustment factor information set includes a plurality of first adjustment factor information; the first technical parameter closure information set includes a plurality of first technical parameter closure information; S3, fusing the to-be-processed data information set, the first adjustment factor information set, and the first technical parameter closure information set to obtain a target adjustment factor information set; The analyzing and processing the to-be-processed data information set to obtain a first adjustment factor information set and a first technical parameter closure information set includes: S21, presetting a first adjustment factor step size; S22, using the scene data information and the first adjustment factor initial information in any one of the data information to be processed in the data information set to be processed, to operate the radar digital prototype to obtain first technical parameter information; S23, processing the first technical parameter information and preset technical parameter information to obtain second technical parameter closure information; S24, calculating and processing the data information to be processed, the technical parameter information, the first adjustment factor step size and the second technical parameter closure information to obtain first adjustment factor information and first technical parameter closure information; The calculating and processing the data information to be processed, the technical parameter information, the first adjustment factor step size and the second technical parameter closure information to obtain the first adjustment factor information and the first technical parameter closure information includes: S241, adding the first adjustment factor initial information to a set of adjustment factor information to be processed; adding the second technical parameter closure information to a set of technical parameter closure to be processed; S242, determining whether all technical parameter closure values ​​in the second technical parameter closure information are less than a preset technical parameter closure threshold, and obtaining a second determination result; When the second judgment result is yes, determining the first adjustment factor initial information as the first adjustment factor information; determining the second technical parameter closure information as the first technical parameter closure information, and ending the current process; When the second judgment result is no, executing S243; S243: multiply all the first adjustment factor initial values ​​in the first adjustment factor initial information by the first adjustment factor step size to obtain updated first adjustment factor initial information, and determine the updated first adjustment factor initial information as the first adjustment factor initial information; S244, determining whether any of the first adjustment factor initial values ​​in the first adjustment factor initial information is greater than a preset upper limit value corresponding to the first adjustment factor initial value, and obtaining a third determination result; When the third judgment result is no, executing S22; When the third judgment result is yes, execute S245; S245: Analyze and process the adjustment factor information set to be processed and the technical parameter closure degree set to be processed to obtain the first adjustment factor information and the first technical parameter closure degree information.

2. The radar digital prototype calibration and verification method according to claim 1, characterized in that: The processing of the first technical parameter information and the preset technical parameter information to obtain the second technical parameter closure information includes: S231, preset s=1; S232: the sth first technical parameter value JC in the first technical parameter information s and the sth technical parameter value T in the technical parameter information s The absolute value of the difference divided by the technical parameter value T s , get the technical parameter closure value BH s ; S233, the technical parameter closure value BH s Added to the second technical parameter closure information; S234, determining whether s is greater than the number of the first technical parameter values ​​in the first technical parameter information, and obtaining a first determination result; When the first judgment result is no, increase the s by 1 and execute S232; When the first judgment result is yes, execute S24.

3. The radar digital prototype calibration and verification method according to claim 1, characterized in that: The fusing the to-be-processed data information set, the first adjustment factor information set and the first technical parameter closure information set to obtain a target adjustment factor information set includes: S31, processing the first technical parameter closure information set to obtain a first technical parameter closure value; S32, fusing the to-be-processed data information set, the first adjustment factor information set, the first technical parameter closure information set and the first technical parameter closure value to obtain a target adjustment factor information set; the target adjustment factor information set includes a plurality of target adjustment factor information.

4. The radar digital prototype calibration and verification method according to claim 3 is characterized in that: The processing of the first technical parameter closure information set to obtain a first technical parameter closure value includes: S311, using a first closure calculation model, calculating and processing the first technical parameter closure information set to obtain a second technical parameter closure value; Wherein, the first closure calculation model is: Wherein, JX2 is the closure value of the second technical parameter, HD is the sum of the closure values ​​of the technical parameter in all the closure information of the first technical parameter in the closure information set of the first technical parameter, M is the total number of the closure values ​​of the technical parameter in all the closure information of the first technical parameter in the closure information set of the first technical parameter, δ1 and δ2 are the first weight parameter and the second weight parameter; S312, preprocessing the first technical parameter closure information set to obtain a preprocessed technical parameter closure information set; S313, calculating and processing the preprocessing technical parameter closure information set to obtain a third technical parameter closure value; S314, using a second closure calculation model, calculating and processing the second technical parameter closure value and the third technical parameter closure value to obtain a first technical parameter closure value; Wherein, the second closure calculation model is: JX1=δ3·JX2+δ4·JX3 0<δ3, δ4<1; δ3+δ4=1; Wherein, JX1, JX2 and JX3 are the closure value of the first technical parameter, the closure value of the second technical parameter and the closure value of the third technical parameter, respectively; δ3 and δ4 are the third weight parameter and the fourth weight parameter, respectively.

5. The radar digital prototype calibration and verification method according to claim 3 is characterized in that: The fusing the to-be-processed data information set, the first adjustment factor information set, the first technical parameter closure information set and the first technical parameter closure value to obtain a target adjustment factor information set includes: S321, averaging all the technical parameter closure values ​​in any one of the first technical parameter closure information in the first technical parameter closure information set to obtain a technical parameter closure mean; S322, determining whether the technical parameter closure mean value is less than the first technical parameter closure value, and obtaining a fourth determination result; When the fourth judgment result is yes, determining that the first adjustment factor information corresponding to the first technical parameter closure information is the target adjustment factor information; When the fourth judgment result is no, executing S323; S323: fusing the to-be-processed data information set, the first adjustment factor information corresponding to the first technical parameter closure information, and the first technical parameter closure value to obtain the target adjustment factor information.

6. A radar digital prototype calibration and verification device, characterized in that: The device comprises: processor; a memory coupled to the processor and storing executable program code; The processor calls the executable program code stored in the memory to execute the radar digital prototype calibration and verification method according to any one of claims 1 to 5.

7. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer instructions, and when the computer instructions are called, they are used to execute the radar digital prototype calibration and verification method according to any one of claims 1 to 5.

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