General radar echo data processing method and processing equipment

Abstract

The invention provides a general radar echo data processing method, which belongs to the technical field of mechanical radar testing and comprises the following steps: acquiring and recording radar echo data; setting control parameters, and dumping the obtained radar echo data; performing data analysis on the dumped data to form an analysis result; judging a working state according to an analysis result; if the working state of the radar is a normal state, ending radar echo data processing; if the working state of the radar is an abnormal state, data playback is carried out on radar echo data corresponding to the abnormal working state of the radar, the reason of the abnormal working state of the radar is judged according to a data playback result, radar echo data processing is ended, and the method further comprises the step of online configuration and upgrading of a radar echo data processing system. The general radar echo data processing method provided by the invention supports online analysis of the radar echo data, and compared with the traditional radar recording equipment, the general radar echo data processing method can greatly reduce the dumping time of the radar echo data.

Description

Technical Field

[0001] The invention belongs to the technical field of mechanical radar testing, and in particular relates to a universal radar echo data processing method and processing equipment. Background Art

[0002] In the development process of radar systems, radar echo data processing methods and equipment are the basis for realizing airborne radar data processing and verifying imaging algorithms and hardware structures. In recent years, with the rapid development of radar technology and the continuous improvement of image resolution, the amount of radar echo data and data transmission rate have continued to grow. However, the existing radar data processing equipment has a low data transmission rate, strong customization of optical fiber transmission protocols, and a long dump analysis time, which has gradually failed to meet the data processing requirements of radar systems.

[0003] How to reliably record a large amount of high-speed radar echo data in real time and process the data has become one of the key technologies for system implementation. Summary of the invention

[0004] In order to solve the above problems, the purpose of the present invention is to provide a universal radar echo data processing method and processing equipment, which realizes high-speed recording, storage and playback of multi-channel, multi-protocol optical fiber data, can display radar echo data in real time and analyze it online, and ensure the development of airborne radar.

[0005] In order to achieve the above object, the present invention provides the following technical solution, a general radar echo data processing method, the method comprising:

[0006] Set radar echo data recording control parameters;

[0007] Acquire and record radar echo data according to radar echo data recording control parameters, and display the recording information at the same time;

[0008] Set the radar echo data dump control parameters, dump the acquired radar echo data, and display the dump information at the same time;

[0009] Perform data analysis on the dumped radar echo data to form radar echo data analysis results;

[0010] According to the radar echo data analysis results, the radar working status is judged;

[0011] If the radar working state is normal, the radar echo data processing is finished;

[0012] If the radar working state is abnormal, the radar echo data corresponding to the abnormal working state of the radar is replayed, and the cause of the abnormal working state of the radar is determined by the data replay result. The radar echo data processing is completed.

[0013] The method is implemented by a radar echo data processing system, and the method also includes selecting a radar recording channel data transmission protocol before setting the radar echo data recording control parameters, and online configuring and upgrading the radar echo data processing system according to the selected radar recording channel data transmission protocol.

[0014] The universal radar echo data processing method provided by the present invention also has the following characteristics: the radar echo data recording control parameters include control mode, recording file size, recording file storage path, recording file archiving mode and recording threshold.

[0015] The universal radar echo data processing method provided by the present invention also has the following characteristics: the recording information includes recording status, recording channel, recording rate, recording file and recording capacity; the dump information includes dump status, dump channel, dump rate, dump file, dump location and dump progress.

[0016] The universal radar echo data processing method provided by the present invention also has the following feature: the radar echo data dump control parameters include a dump file name, a dump data offset setting, a dump data size setting, a dump channel setting, and a dump location setting.

[0017] The general radar echo data processing method provided by the present invention also has the following characteristics: performing data analysis on the dumped radar echo data to form radar echo data analysis results comprises:

[0018] According to the dumped radar echo data and the radar echo data encoding format, the radar echo data is analyzed to obtain the time domain diagram, frequency domain diagram corresponding to the radar echo data, as well as the line graph and scatter diagram parsed through the radar echo data frame header and packet header.

[0019] The universal radar echo data processing method provided by the present invention also has the feature of judging the radar working state by analyzing the time domain graph, the frequency domain graph, the line graph and the scatter graph.

[0020] The general radar echo data processing method provided by the present invention also has the following characteristics: the data playback of the radar echo data corresponding to the abnormal working state of the radar includes:

[0021] Data playback parameter settings, including data playback file, playback frame interval, packet interval parameter, playback data offset, playback data size, and playback channel;

[0022] Play back data and display playback information at the same time. The playback information includes playback rate and playback progress.

[0023] The universal radar echo data processing method provided by the present invention also has the following characteristics: the method also includes file management of the radar echo data, and the file management includes batch deletion, batch dumping, formatting, data search and data sorting.

[0024] The universal radar echo data processing method provided by the present invention also has the following characteristics: the method also includes equipment health monitoring during the radar echo data processing process, and the equipment health monitoring includes equipment board-level voltage monitoring, equipment temperature monitoring, equipment storage capacity display, equipment connection status display, and equipment working status display.

[0025] Another object of the present invention is to provide a general radar echo data processing device, wherein the device is used to implement any of the above-mentioned radar echo data processing methods.

[0026] The device includes an interface module, a storage module and a CPU.

[0027] The interface module is used for recording, dumping and replaying data;

[0028] The storage module is used for recording, dumping, analyzing and replaying data.

[0029] Beneficial Effects

[0030] The universal radar echo data processing method provided by the present invention supports online analysis of radar echo data and can greatly reduce radar echo data dump time compared with traditional radar recording equipment.

[0031] The data processing device provided by the present invention provides a stable, reliable and continuous high-speed transmission function of original radar echo data for the airborne radar through the development of an interface module, a CPU module and a storage module. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0033] Figure 1 A flowchart of the general radar echo data processing device provided by an embodiment of the present invention;

[0034] Figure 2 This is a schematic diagram of the hierarchical architecture of the record analysis software in an embodiment of the present invention;

[0035] Figure 3 A topological diagram of a storage module in an embodiment of the present invention;

[0036] Figure 4 This is a topological diagram of the interface module in an embodiment of the present invention;

[0037] Figure 5 This is a physical diagram of the processing equipment provided in the embodiment of the present invention. DETAILED DESCRIPTION

[0038] The present invention is further described in detail below in conjunction with the accompanying drawings and examples, but it should be noted that these implementation modes are not limitations of the present invention, and equivalent changes or substitutions in functions, methods, or structures made by ordinary technicians in the field based on these implementation modes are all within the scope of protection of the present invention.

[0039] In the description of the embodiments of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the invention.

[0040] In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0041] 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 an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the invention can be understood according to specific circumstances.

[0042] like Figure 1-Figure 5 As shown, an embodiment of the present invention provides a general radar echo data processing method, the method comprising:

[0043] Set radar echo data recording control parameters;

[0044] Acquire and record radar echo data according to radar echo data recording control parameters, and display the recording information at the same time;

[0045] Set the radar echo data dump control parameters, dump the acquired radar echo data, and display the dump information at the same time;

[0046] Perform data analysis on the dumped radar echo data to form radar echo data analysis results;

[0047] According to the radar echo data analysis results, the radar working status is judged;

[0048] If the radar working state is normal, the radar echo data processing is finished;

[0049] If the radar working state is abnormal, the radar echo data corresponding to the abnormal working state of the radar is replayed, and the cause of the abnormal working state of the radar is determined by the data replay result. The radar echo data processing is completed.

[0050] The method is implemented by a radar echo data processing system, and the method also includes selecting a radar recording channel data transmission protocol before setting the radar echo data recording control parameters, and online configuring and upgrading the radar echo data processing system according to the selected radar recording channel data transmission protocol.

[0051] In some embodiments, the radar echo data recording control parameters include control mode, recording file size, recording file storage path, recording file archiving mode and recording threshold. The archiving mode includes whether to overwrite after the storage is full.

[0052] In some embodiments, the recording information includes recording status, recording channel, recording rate, recording file, and recording capacity; the dump information includes dump status, dump channel, dump rate, dump file, dump location, and dump progress. The recording file includes the timestamp of the recorded data and the recording channel.

[0053] In some embodiments, the radar echo data dump control parameters include a dump file name, a dump data offset setting, a dump data size setting, a dump channel setting, and a dump location setting.

[0054] In some embodiments, performing data analysis on the dumped radar echo data to form radar echo data analysis results includes:

[0055] According to the dumped radar echo data and the radar echo data encoding format, the radar echo data is analyzed to obtain the time domain diagram, frequency domain diagram corresponding to the radar echo data, as well as the line graph and scatter diagram parsed through the radar echo data frame header and packet header.

[0056] In some embodiments, the radar operating status is determined by analyzing a time domain graph, a frequency domain graph, a line graph, and a scatter plot.

[0057] In some embodiments, the data playback of radar echo data corresponding to the abnormal working state of the radar includes:

[0058] Data playback parameter settings, including data playback file, playback frame interval, packet interval parameter, playback data offset, playback data size, and playback channel;

[0059] Play back data and display playback information at the same time. The playback information includes playback rate and playback progress.

[0060] In some embodiments, the method further includes performing file management on the radar echo data, where the file management includes batch deletion, batch dumping, formatting, data search, and data sorting.

[0061] In some embodiments, the method also includes equipment health monitoring during radar echo data processing, and the equipment health monitoring includes equipment board-level voltage monitoring, equipment temperature monitoring, equipment storage capacity display, equipment connection status display, and equipment working status display.

[0062] In some embodiments, a general radar echo data processing device is provided, wherein the device is used to implement any of the above-mentioned radar echo data processing methods.

[0063] The device includes an interface module, a storage module and a CPU.

[0064] The interface module is used for recording, dumping and replaying data;

[0065] The storage module is used for recording, dumping, analyzing and replaying data.

[0066] In the above embodiment, the interface module topology diagram is as follows: Figure 4 As shown. It supports receiving multiple channels of 4x optical fiber data, and the rate of each optical fiber can reach 6.25Gbps. The high-performance FPGA is integrated on the board, providing PC IE X8 general CPU for interconnection, which can meet the high-speed transmission bandwidth of 2GB / s data rate. It is mainly responsible for completing the recording and playback of optical fiber data. After data recording, the data is packaged and transmitted to the CPU through the PC IE interface; when the data is played back, the CPU transmits the data to the interface module through the PC IE interface, and the interface module plays back the data according to the timing requirements. The CPU is responsible for data storage, dump control and software operation.

[0067] In some embodiments, the CPU uses a high-performance processor, is configured with a large-capacity memory of not less than 16GB, the system disk is a solid-state hard disk of not less than 1TB, and the CPU and the interface module are interconnected through PC I EX8.

[0068] In some embodiments, the storage module is mainly responsible for storing, reading and writing data. Figure 3 As shown. It consists of a PCI E switch module and an NVME SSD solid state drive. The CPU module and the storage module are connected via PC IE X8, and the transmission bandwidth can reach 2GB / s. Each NVME SSD solid state drive uses a 2TB capacity hard drive, supports storage capacity expansion, and the storage rate can reach a minimum of 2GB / s.

[0069] In some embodiments, the device is equipped with recording and analysis software for implementing any of the aforementioned methods. The recording and analysis software is developed using the cross-platform C++ graphical user interface program QT, and adopts a layered architecture design. The design follows the generalization and modularization design concept to improve the software's reusability, scalability, maintainability and reliability. It can realize various operations and controls on radar echo data. The recording and analysis control software architecture diagram is shown in the figure below: Figure 4 shown.

[0070] The recording and analysis software adopts advanced programming ideas and programming techniques for program design. The design follows the general and modular design ideas to improve the software's reusability, extensibility, maintainability and reliability. It has an easily expandable plug-in framework that can be quickly customized to facilitate later upgrades and development. It provides a unified operating platform for airborne radar echo data recording.

[0071] In some embodiments, the processing device adopts a CPU+PC IE hardware architecture design and cooperates with recording and analysis software to achieve high-speed transmission and online analysis functions of radar echo data. By online upgrading the optical fiber transmission protocol, the device can be universally used on various types of radars, providing a unified data processing device platform for airborne radars.

[0072] The device provides stable, reliable and continuous high-speed transmission of raw radar echo data for airborne radar through the development of interface modules, CPU modules and storage modules.

[0073] The working flow diagram of the processing device provided in the above embodiment is as follows: Figure 1 As shown, the details are as follows:

[0074] (1) Board Identification

[0075] Identify all hardware interface boards on the host and load the drivers.

[0076] (2) Board self-test

[0077] Perform self-test on the hardware interface board resources.

[0078] (3) Host self-check

[0079] Perform self-test on the host's hardware resource status, including CPU, memory, hard disk, etc.

[0080] (4) Service startup

[0081] Enable data management services, system monitoring services, network communication services, data security functions, data receiving services, etc.

[0082] (5) Radar echo data recording

[0083] According to the requirements for radar echo data recording, the data recording related parameters are set through the recording analysis control software, and the radar echo data recording mode is determined to be automatic recording, the file size is 2GB, the recording mode is loop overwrite, the recording channel is optical fiber recording, and the system working state is selected as data recording mode to start recording.

[0084] At this time, the radar echo data recording status can be monitored through the recording analysis control software, and the recording rate, recording file, recording channel and recording status can be viewed. According to the recording rate, a preliminary judgment can be made on whether the radar working status is normal. The recording analysis control software stores the recorded data as a radar echo data file.

[0085] (6) Radar echo data playback

[0086] The radar echo data playback function is mainly used for radar fault analysis and function verification. Select the corresponding radar echo data recording file when the radar has an abnormal situation, set the data playback frame interval and packet interval related parameters through the recording and analysis control software, and select the system working state as data playback.

[0087] At this time, the radar echo data playback status can be monitored through the recording and analysis control software, and the playback rate, playback progress, etc. can be checked.

[0088] (7) Radar echo data analysis

[0089] The radar echo data analysis function is mainly used for radar working status monitoring. Select the radar echo data file generated during the aircraft test flight or ground test, analyze the selected radar echo record data file through the record analysis control software, and form the frequency domain diagram, time domain diagram, scatter diagram and line diagram of the radar echo data. According to the results, the function and performance of the radar are improved.

[0090] (8) Equipment health management

[0091] Equipment health management can monitor the health status of radar echo data processing equipment through recording and analysis control software. It can monitor the board-level voltage, temperature, working status, channel status, connection status, storage capacity and other BIT information of system equipment in real time, and issue relevant alarm prompts.

[0092] (9) Data file management

[0093] The radar echo data processing device contains a large number of radar echo data record files. The processing method supports radar echo data file management, and can support radar echo data fuzzy query, data file filtering, data file batch dumping, data file deletion and formatting and other operations.

[0094] (10) Online upgrade of optical fiber communication protocol

[0095] The radar echo data processing equipment can upgrade the optical fiber communication protocol online through the recording and analysis control software, support fast adaptation of optical fiber communications with different protocols, and is used for operations such as recording, dumping and playback of radar echo data. It can be used for recording optical fiber communications of various types of radars.

[0096] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention. The above description is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and variations can be made without departing from the technical principles of the present invention. These improvements and variations should also be regarded as the protection scope of the present invention.

Claims

1. A general radar echo data processing method, characterized in that: The method comprises: Set radar echo data recording control parameters; Acquire and record radar echo data according to radar echo data recording control parameters, and display the recording information at the same time; Set the radar echo data dump control parameters, dump the acquired radar echo data, and display the dump information at the same time; Perform data analysis on the dumped radar echo data to form radar echo data analysis results; According to the radar echo data analysis results, the radar working status is judged; If the radar working state is normal, the radar echo data processing is finished; If the radar working state is abnormal, the radar echo data corresponding to the abnormal working state of the radar is replayed, and the cause of the abnormal working state of the radar is determined by the data replay result. The radar echo data processing is completed. The method is implemented by a radar echo data processing system, and the method also includes selecting a radar recording channel data transmission protocol before setting the radar echo data recording control parameters, and online configuring and upgrading the radar echo data processing system according to the selected radar recording channel data transmission protocol.

2. The general radar echo data processing method according to claim 1, characterized in that: The radar echo data recording control parameters include control mode, recording file size, recording file storage path, recording file archiving mode and recording threshold.

3. The general radar echo data processing method according to claim 1, characterized in that: The recording information includes recording status, recording channel, recording rate, recording file and recording capacity; the dump information includes dump status, dump channel, dump rate, dump file, dump location and dump progress.

4. The general radar echo data processing method according to claim 1, characterized in that: The radar echo data dump control parameters include a dump file name, a dump data offset setting, a dump data size setting, a dump channel setting, and a dump location setting.

5. The general radar echo data processing method according to claim 1, characterized in that: The performing of data analysis on the dumped radar echo data to form radar echo data analysis results comprises: According to the dumped radar echo data and the radar echo data encoding format, the radar echo data is analyzed to obtain the time domain diagram, frequency domain diagram corresponding to the radar echo data, as well as the line graph and scatter diagram parsed through the radar echo data frame header and packet header.

6. The general radar echo data processing method according to claim 5, characterized in that: The radar working status can be judged by analyzing the time domain graph, frequency domain graph, line graph and scatter graph.

7. The general radar echo data processing method according to claim 1, characterized in that: The data playback of the radar echo data corresponding to the abnormal working state of the radar includes: Data playback parameter settings, including data playback file, playback frame interval, packet interval parameter, playback data offset, playback data size, and playback channel; Play back data and display playback information at the same time. The playback information includes playback rate and playback progress.

8. The general radar echo data processing method according to claim 1, characterized in that: The method further comprises performing file management on the radar echo data, wherein the file management comprises batch deletion, batch dumping, formatting, data search and data sorting.

9. The general radar echo data processing method according to claim 1, characterized in that: The method also includes equipment health monitoring during radar echo data processing, and the equipment health monitoring includes equipment board-level voltage monitoring, equipment temperature monitoring, equipment storage capacity display, equipment connection status display, and equipment working status display.

10. A general radar echo data processing device, characterized in that: The device is used to implement the radar echo data processing method according to any one of claims 1 to 9, The device includes an interface module, a storage module and a CPU. The interface module is used for recording, dumping and replaying data; The storage module is used for recording, dumping, analyzing and replaying data.

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