Scene inversion reconstruction method and system
By providing scene inversion reconstruction methods and systems in radar equipment systems, the problems of insufficient authenticity and high cost when verifying radar equipment systems in the prior art are solved, and higher digital simulation authenticity and flexibility are achieved, satisfying the satisfaction of Complex scene simulation requirements.
Patent Information
- Application Number
- CN202411615467.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-02-11
AI Technical Summary
When verifying radar equipment systems in the prior art, the theoretical model simulation data is far from the real scene, the field test costs are high and the scenes are limited, making it difficult to meet the increasingly complex scenario simulation requirements and the needs of fully verifying radar work.
Provide a scene inversion reconstruction method and system, by obtaining the control words of the radar master, analyzing and selecting the working mode, reading data, obtaining scene information, and determining whether there is a corresponding scene model in the database. If there is, perform scenes. Inversion and reconstruction to generate the reconstruction result file.
It improves the authenticity and flexibility of digital simulation, meets the functions and application requirements of radar system, and provides guarantees and support for radar equipment development and iteration.
Smart Images
Figure CN119414348A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of radar equipment, and more specifically, to a scene inversion and reconstruction method and system. Background Art
[0002] At present, the verification of radar equipment systems mainly relies on data simulated by theoretical models and limited field tests. As the radar equipment system's ability to extract refined target features becomes increasingly higher and the application scenarios become more complex, the data simulated by theoretical models differ greatly from the actual scenarios, and the verification authenticity is insufficient; the cost of system verification of radar equipment based on field tests is high, the test verification scenarios are limited, and the verification adequacy is insufficient. In response to the above problems, the scene inversion and reconstruction technology based on test data has played a very important role. Summary of the invention
[0003] The object of the present invention is to provide a scene inversion and reconstruction method and system to solve at least one of the problems existing in the prior art.
[0004] In order to achieve the above object, the present invention adopts the following technical solutions:
[0005] A first aspect of the present invention provides a scene inversion and reconstruction method, the method comprising:
[0006] Obtaining a control word of the radar master control and performing a control word check, parsing the control word after the control word check passes, selecting a corresponding working mode according to the parsing result, and reading corresponding data according to the corresponding working mode;
[0007] Obtaining scene information corresponding to the working mode according to the data;
[0008] It is determined whether there is a scene model corresponding to the scene information in a preset database. If so, a scene inversion reconstruction is performed according to the scene information and the scene model to obtain a reconstruction result file.
[0009] Optionally, the step of parsing the control word after the control word verification passes and selecting a corresponding working mode according to the parsing result includes:
[0010] After the control word is verified, the control word is parsed and the first working mode or the second working mode is selected according to the parsing result.
[0011] Optionally, reading corresponding data according to the corresponding working mode includes:
[0012] When the working mode is the first working mode, reading the scene information to be tested and the test measured data according to the first working mode;
[0013] When the working mode is the second working mode, the scene information to be tested is read according to the second working mode.
[0014] Optionally, obtaining scene information corresponding to the working mode according to the data includes:
[0015] When the working mode is the first working mode, performing format conversion on the test measured data to obtain standard format data;
[0016] Using a data inversion module to perform data analysis on the annotated format data to obtain scene feature information;
[0017] Obtaining first target information and first environment information of the first working mode according to the scene feature information;
[0018] When the working mode is the second working mode, second target information and second environment information of the second working mode are obtained according to the scene information to be tested.
[0019] Optionally, the determining whether there is a scene model corresponding to the scene information in a preset database, and if so, performing scene inversion reconstruction according to the scene information and the scene model to obtain a reconstruction result file includes:
[0020] When the working mode is the first working mode, determining whether there is a first target model and a first environment model corresponding to the first target information and the first environment information in a preset database; if so, performing scene inversion reconstruction according to the first target information, the first environment information, the first target model and the first environment model using a scene reconstruction module to generate a first reconstruction result file;
[0021] When the working mode is the second working mode, determine whether there is a second target model and a second environment model corresponding to the second target information and the second environment information in the preset database. If so, use the scene reconstruction module to perform scene inversion reconstruction according to the second target information, the second environment information, the second target model and the second environment model information to generate a second reconstruction result file.
[0022] Optionally, the determining whether there is a scene model corresponding to the scene information in a preset database includes:
[0023] If not, reconstructing the model according to the scene information to obtain a third target model and a third environment model, and updating the database using the third target model and the third environment model;
[0024] Or if it does not exist, the corresponding report information is fed back and the scene inversion reconstruction is stopped.
[0025] Optionally, if the model does not exist, reconstructing the model according to the scene information to obtain a third target model and a third environment model, and updating the database using the third target model and the third environment model includes:
[0026] When the working mode is the first working mode, the scene feature information is reconstructed using model reconstruction software to obtain the third target model and the third environment model.
[0027] Optionally, if the condition does not exist, then the corresponding report information is fed back and the scene inversion reconstruction is stopped, including:
[0028] When the working mode is the second working mode, if it does not exist, the corresponding report information is fed back and the scene inversion reconstruction is stopped.
[0029] Optionally, the first target information includes target maneuvering track characteristic information, target radar reflection characteristic information and target motion characteristic information;
[0030] The first environmental information includes clutter information, noise information and interference information.
[0031] A second aspect of the present invention provides a scene inversion and reconstruction system, the system comprising
[0032] A mode selection and data reading module, used to obtain the control word of the radar master control and perform control word verification, analyze the control word after the control word verification passes, select the corresponding working mode according to the analysis result, and read the corresponding data according to the corresponding working mode;
[0033] A scene information acquisition module, used to obtain scene information corresponding to the working mode according to the data;
[0034] The judgment module is used to judge whether there is a scene model corresponding to the scene information in a preset database. If so, the scene inversion reconstruction is performed according to the scene information and the scene model to obtain a reconstruction result file.
[0035] The beneficial effects of the present invention are as follows:
[0036] The technical solution of the present invention solves the problems in the prior art that the simulator technology is insufficiently flexible and lacks authenticity, is difficult to meet the increasingly demanding scene simulation requirements, and cannot fully verify the operation of the radar. It can meet the functional and application requirements of the radar system, is conducive to improving the authenticity and flexibility of digital simulation, and also provides guarantee and support for the development and iteration of radar equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0037] The specific implementation modes of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0038] Figure 1 A schematic diagram of a scene inversion and reconstruction method provided by an embodiment of the present invention is shown. DETAILED DESCRIPTION
[0039] In order to explain the present invention more clearly, the present invention is further described below in conjunction with embodiments and drawings. Similar components in the drawings are represented by the same reference numerals. It should be understood by those skilled in the art that the content specifically described below is illustrative rather than restrictive, and the protection scope of the present invention should not be limited thereto.
[0040] At present, the verification of radar equipment systems mainly relies on data simulated by theoretical models and limited field tests. As the radar equipment system's ability to extract refined target features becomes increasingly higher and the application scenarios become more complex, the data simulated by theoretical models differ greatly from the actual scenarios, and the verification authenticity is insufficient; the cost of system verification of radar equipment based on field tests is high, the test verification scenarios are limited, and the verification adequacy is insufficient. In response to the above problems, the scene inversion and reconstruction technology based on test data has played a very important role.
[0041] In view of this, an embodiment of the present invention provides a scene inversion and reconstruction method, which includes obtaining a control word of a radar master control and performing a control word check, parsing the control word after the control word check passes and selecting a corresponding working mode according to the parsing result, and reading corresponding data according to the corresponding working mode; obtaining scene information corresponding to the working mode according to the data; determining whether a scene model corresponding to the scene information exists in a preset database, and if so, performing scene inversion and reconstruction according to the scene information and the scene model to obtain a reconstruction result file.
[0042] In a specific example, the scene inversion and reconstruction method mainly includes data inversion, model reconstruction, software and model database update, etc. Further, Figure 1As shown, the working mode can be divided into two working modes, namely the first working mode and the second working mode. The data flow of the first working mode is a solid line, and the data flow of the second working mode is a dotted line. Further, for mode one, i.e. the first working mode, the experimental measured data and the scene information to be tested are known. First, the experimental measured data is formatted to obtain standard format data that can be recognized by the data inversion software; the standard format data is input into the data inversion software to obtain the scene feature information after inversion; according to the scene feature information, it is determined whether there is a corresponding target model and environment model in the current model database (such as a preset database). If so, the scene is directly reconstructed to obtain a reconstruction result file, otherwise, the model is reconstructed to obtain the target model and environment model information and the database is updated, and the scene is reconstructed using the updated database to obtain a reconstruction result file. Further, for mode two, i.e. the second working mode, the scene feature information to be tested is known, and it is directly compared with the database to determine whether there is a corresponding model in the model database. If so, the model data file is directly called according to the scene feature information to be tested to reconstruct the trajectory to obtain a reconstruction result file, otherwise the scene reconstruction work is stopped.
[0043] This embodiment solves the problems existing in the prior art, such as the lack of flexibility and authenticity of simulator technology, the difficulty in meeting the increasingly demanding scene simulation requirements, and the inability to fully verify radar operation. It can meet the system function and application requirements, and is conducive to improving the authenticity and flexibility of digital simulation. At the same time, it also provides guarantee and support for the development and iteration of radar equipment.
[0044] In a possible implementation, parsing the control word after the control word is verified and selecting the corresponding working mode according to the parsing result includes: parsing the control word after the control word is verified and selecting the first working mode or the second working mode according to the parsing result.
[0045] In a possible implementation, reading corresponding data according to the corresponding working mode includes: when the working mode is the first working mode, reading the scene information to be tested and the test measured data according to the first working mode; when the working mode is the second working mode, reading the scene information to be tested according to the second working mode.
[0046] In a specific example, the radar master control word is obtained according to the radar timing, and the control word verification is performed. After the verification is passed, the control word is parsed and the corresponding working mode is selected. Further, according to the working mode controlled by the master control word, the test measured data and the information of the scene to be tested are read. Furthermore, the first working mode is to implement the scene inversion work based on the test measured data and the existing database model by assuming a specific scene to be tested, that is, to modify the test measured data to achieve high-fidelity inversion of different scenes. The second working mode is to implement the scene inversion work according to the existing database model and the assumed specific scene to be tested, without the need to input the test measured data.
[0047] In a specific example, the specific working mode is controlled by the information sent by the radar master control. When it is judged to be the first working mode, the information of the scene to be tested and the actual test data are read, and when it is the second working mode, only the information of the scene to be tested is read.
[0048] In a possible implementation, obtaining scene information corresponding to the working mode based on the data includes: when the working mode is the first working mode, converting the format of the experimental measured data to obtain standard format data; using a data inversion module to perform data analysis on the labeled format data to obtain scene feature information; obtaining first target information and first environment information of the first working mode based on the scene feature information; when the working mode is the second working mode, obtaining second target information and second environment information of the second working mode based on the scene information to be tested.
[0049] In a specific example, there are two working modes, and the working contents of different working modes are different. The controlled working mode is obtained by parsing the main control word. Further, for the first working mode, the known test measured data and the scene information to be tested are read, and the test measured data (for example, including environmental information and target information) are first formatted to obtain standard format data that can be recognized by the data inversion software; the test measured standard format data (for example, annotated format data) is input into the data inversion software for parsing to obtain the inverted test measured scene feature information (for example, scene feature information), where the scene information contained in the test measured data is parsed out for subsequent use. Further, the data inversion software obtains scene feature information including target model information (for example, target maneuvering track characteristics, target radar reflection characteristics, and target motion characteristics) and environmental model information according to the test measured data, that is, the first target information and the first environmental information. Furthermore, the scene information to be tested sent by the radar master is compared with the feature information of the scene actually measured in the test, and then the scene is reconstructed. For example, the scene information to be tested is the scene information waiting for the test sent by the radar master, and the feature information of the scene actually measured in the test is the data collected in the experiment. The scene information to be tested is generated based on the feature information of the scene actually measured in the test. For example, if the scene to be tested needs to add an airplane to a certain measured scene, it is necessary to add an airplane target model based on the feature information of the scene actually measured in the test. Furthermore, for the second working mode, the scene information to be tested is directly read, the scene information to be tested is analyzed to obtain the scene information, and the target model information and the environment model information are obtained according to the scene information (for example, composed of the target model and the environment model), that is, the second target information and the second environment information, and are summarized.
[0050] In a possible implementation, the first target information includes target maneuvering track characteristic information, target radar reflection characteristic information and target motion characteristic information; the first environmental information includes clutter information, noise information and interference information.
[0051] In a specific example, the scene information includes target model information and environmental model information; the data inversion software obtains scene feature information based on the experimental measured data, including target models such as target maneuvering track characteristics, target radar reflection (RCS) characteristics, target motion characteristics, and environmental models such as clutter, noise, and interference.
[0052] In a possible implementation, the determining whether there is a scene model corresponding to the scene information in the preset database, and if so, performing scene inversion reconstruction based on the scene information and the scene model to obtain a reconstruction result file includes: when the working mode is the first working mode, determining whether there is a first target model and a first environment model corresponding to the first target information and the first environment information in the preset database, and if so, performing scene inversion reconstruction based on the first target information, the first environment information, the first target model and the first environment model using a scene reconstruction module to generate a first reconstruction result file; when the working mode is the second working mode, determining whether there is a second target model and a second environment model corresponding to the second target information and the second environment information in the preset database, and if so, performing scene inversion reconstruction based on the second target information, the second environment information, the second target model and the second environment model using a scene reconstruction module to generate a second reconstruction result file.
[0053] In one possible implementation, the determining whether there is a scene model corresponding to the scene information in a preset database includes: if not, reconstructing the model according to the scene information to obtain a third target model and a third environment model, and updating the database using the third target model and the third environment model; or if not, feeding back corresponding report information and stopping the scene inversion reconstruction.
[0054] In a possible implementation, if it does not exist, reconstructing the model according to the scene information to obtain a third target model and a third environment model, and using the third target model and the third environment model to update the database includes: when the working mode is the first working mode, using model reconstruction software to reconstruct the model of the scene feature information to obtain the third target model and the third environment model.
[0055] In a possible implementation, if it does not exist, then the corresponding report information is fed back and the scene inversion reconstruction is stopped, including: when the working mode is the second working mode, if it does not exist, then the corresponding report information is fed back and the scene inversion reconstruction is stopped.
[0056] In a specific example, the database includes a scene library, a target library, and an environment library, wherein the scene library includes target information and environment information, and needs to reference related target models and scene models.
[0057] In a specific example, for the first working mode, according to the information of the scene such as the target and the environment in the scene feature information to be tested (such as the scene feature information), compared with the database, it can be determined whether there is a corresponding target model, environment model and scene information in the current database; if so, the scene reconstruction is directly performed, otherwise the loaded scene feature information is model reconstructed to obtain the target model information or environment model information, that is, the third target model and the third environment model, and the corresponding model library, environment library and scene library in the database are updated respectively to achieve the update of the database. The target model or environment model file describes in detail the motion characteristics, electromagnetic scattering characteristics and interference, clutter, noise and other environmental models of various targets, and is used for scene reconstruction to generate a reconstruction result file. Further, for the second working mode, according to the information of the scene such as the target and the environment obtained in the scene information to be tested, compared with the database, it can be determined whether there is a corresponding target model, environment model and scene information in the current database; if so, the scene reconstruction is directly performed, otherwise the problem is fed back to the user and the reconstruction work is stopped.
[0058] In a specific example, each successful scene reconstruction requires that the scene information be saved in a database to facilitate scene reuse and analysis.
[0059] In a specific example, the update management of the database can provide users with the query, management and update of corresponding model information data, and can record the scenario information used in different experiments to facilitate users to review and imagine the scenarios.
[0060] In a specific example, scene reconstruction software is used to select target models and environment models in a database based on the obtained scene feature information, and scene reconstruction is performed to obtain a reconstruction result file for generating a test scene.
[0061] Another embodiment of the present invention provides a scene inversion and reconstruction system, which includes a mode selection and data reading module, which is used to obtain the control word of the radar master control and perform control word verification, parse the control word after the control word verification passes and select the corresponding working mode according to the parsing result, and read the corresponding data according to the corresponding working mode; a scene information acquisition module, which is used to obtain scene information corresponding to the working mode according to the data; a judgment module, which is used to judge whether there is a scene model corresponding to the scene information in a preset database, and if so, perform scene inversion and reconstruction according to the scene information and the scene model to obtain a reconstruction result file.
[0062] This embodiment solves the problems existing in the prior art, such as the lack of flexibility and authenticity of simulator technology, the difficulty in meeting the increasingly demanding scene simulation requirements, and the inability to fully verify radar operation. It can meet the system function and application requirements, and is conducive to improving the authenticity and flexibility of digital simulation. At the same time, it also provides guarantee and support for the development and iteration of radar equipment.
[0063] In the description of the present invention, it should be noted that the terms "upper", "lower", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present invention. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.
[0064] It should also be noted that, in the description of the present invention, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.
[0065] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is impossible to list all the embodiments here. All obvious changes or modifications derived from the technical solution of the present invention are still within the protection scope of the present invention.
Claims
1. A scene inversion and reconstruction method, characterized in that: The method includes Obtaining a control word of the radar master control and performing a control word check, parsing the control word after the control word check passes, selecting a corresponding working mode according to the parsing result, and reading corresponding data according to the corresponding working mode; Obtaining scene information corresponding to the working mode according to the data; It is determined whether there is a scene model corresponding to the scene information in a preset database. If so, a scene inversion reconstruction is performed according to the scene information and the scene model to obtain a reconstruction result file.
2. The scene inversion and reconstruction method according to claim 1, characterized in that: The step of analyzing the control word after the control word is verified and selecting a corresponding working mode according to the analysis result includes: After the control word is verified, the control word is parsed and the first working mode or the second working mode is selected according to the parsing result.
3. The scene inversion and reconstruction method according to claim 2, characterized in that: The reading of corresponding data according to the corresponding working mode includes When the working mode is the first working mode, reading the scene information to be tested and the test measured data according to the first working mode; When the working mode is the second working mode, the scene information to be tested is read according to the second working mode.
4. The scene inversion and reconstruction method according to claim 3, characterized in that: The obtaining of scene information corresponding to the working mode according to the data includes: When the working mode is the first working mode, performing format conversion on the test measured data to obtain standard format data; Using a data inversion module to perform data analysis on the annotated format data to obtain scene feature information; Obtaining first target information and first environment information of the first working mode according to the scene feature information; When the working mode is the second working mode, second target information and second environment information of the second working mode are obtained according to the scene information to be tested.
5. The scene inversion and reconstruction method according to claim 4, characterized in that: The determining whether there is a scene model corresponding to the scene information in the preset database, if so, performing scene inversion reconstruction according to the scene information and the scene model to obtain a reconstruction result file includes: When the working mode is the first working mode, determining whether there is a first target model and a first environment model corresponding to the first target information and the first environment information in a preset database; if so, performing scene inversion reconstruction according to the first target information, the first environment information, the first target model and the first environment model using a scene reconstruction module to generate a first reconstruction result file; When the working mode is the second working mode, determine whether there is a second target model and a second environment model corresponding to the second target information and the second environment information in the preset database. If so, use the scene reconstruction module to perform scene inversion reconstruction according to the second target information, the second environment information, the second target model and the second environment model to generate a second reconstruction result file.
6. The scene inversion and reconstruction method according to claim 1, characterized in that: The determining whether there is a scene model corresponding to the scene information in a preset database includes, if not, reconstructing the model according to the scene information to obtain a third target model and a third environment model, and updating the database using the third target model and the third environment model; Or if it does not exist, the corresponding report information is fed back and the scene inversion reconstruction is stopped.
7. The scene inversion and reconstruction method according to claim 6, characterized in that: If the model does not exist, reconstructing the model according to the scene information to obtain a third target model and a third environment model, and updating the database using the third target model and the third environment model includes When the working mode is the first working mode, the scene feature information is reconstructed using model reconstruction software to obtain the third target model and the third environment model.
8. The scene inversion and reconstruction method according to claim 6, characterized in that: If it does not exist, then the corresponding report information is fed back and the scene inversion reconstruction is stopped, including When the working mode is the second working mode, if it does not exist, the corresponding report information is fed back and the scene inversion reconstruction is stopped.
9. The scene inversion and reconstruction method according to claim 1, characterized in that: The first target information includes target maneuvering track characteristic information, target radar reflection characteristic information and target motion characteristic information; The first environmental information includes clutter information, noise information and interference information.
10. A scene inversion and reconstruction system, characterized in that: The system includes A mode selection and data reading module, used to obtain the control word of the radar master control and perform control word verification, analyze the control word after the control word verification passes, select the corresponding working mode according to the analysis result, and read the corresponding data according to the corresponding working mode; A scene information acquisition module, used to obtain scene information corresponding to the working mode according to the data; The judgment module is used to judge whether there is a scene model corresponding to the scene information in a preset database. If so, the scene inversion reconstruction is performed according to the scene information and the scene model to obtain a reconstruction result file.