CN109407064B - Radar equipment image transmission fault diagnosis method - Google Patents
Radar equipment image transmission fault diagnosis method Download PDFInfo
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- CN109407064B CN109407064B CN201811518478.8A CN201811518478A CN109407064B CN 109407064 B CN109407064 B CN 109407064B CN 201811518478 A CN201811518478 A CN 201811518478A CN 109407064 B CN109407064 B CN 109407064B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
Abstract
The invention discloses an image transmission fault diagnosis method for radar equipment, which comprises the steps of starting a control radar (1) through a radar unit test device (2), controlling the radar to enter an imaging process by utilizing an imaging flow control module (3) in the radar unit test device (2) to obtain a radar image, and analyzing an imaging result of the radar (1) by an image data analysis module (4) and outputting fault diagnosis information according to a set interpretation rule. The invention can solve the problems of low speed, long time consumption, low accuracy and the like of the existing method.
Description
Technical Field
The invention relates to the technical field of radar image imaging, in particular to a system and a method for diagnosing image transmission faults of radar equipment.
Background
The traditional radar equipment has complex image data volume generation, processing and transmission processes, has the problems of image frame loss, image content distortion and the like in the radar image data transmission process, and increases the data analysis difficulty for judging whether the radar equipment works normally or not.
Disclosure of Invention
The invention aims to provide a radar equipment image transmission fault diagnosis method, which solves the problems of low speed, long time consumption, low accuracy and the like caused by the conventional method of manually checking.
In view of the above technical problem, the present invention provides an image transmission fault diagnosis system for radar equipment, wherein the image transmission fault diagnosis system for radar equipment comprises: the system comprises a radar (1), radar unit testing equipment (2), an imaging flow control module (3) and an image data analysis module (4); the radar (1), the radar unit testing equipment (2), the imaging flow control module (3) and the image data analysis module (4) are connected with each other through power supply and communication cables; the imaging flow control module (3) starts the imaging work of the radar (1), sends an imaging command according to the radar imaging parameters and controls the radar to image; the image data analysis module (4) reads imaging information of the radar (1); the image data analysis module (4) analyzes imaging information of the radar (1) and outputs fault diagnosis information.
Wherein the imaging flow control module (3) starts the radar (1) imaging work and comprises the following steps: the radar unit testing equipment (2) is started, the radar (1) enters a standby state, radar imaging parameters are input, and the imaging flow control module (3) sequentially sends position reservation, tracking and imaging instructions according to the input radar imaging parameters to form a continuous circulating instruction flow and simultaneously receives the imaging and imaging completed state information of the radar (1) equipment.
Wherein the image data analysis module (4) reading radar (1) imaging information comprises: the image data analysis module (4) starts the receiving of radar imaging information according to a starting signal sent by the imaging flow control module (3), completes the multi-frame imaging data caching in a communication period, extracts the state information and the radar image information, splices data according to the size of the radar image picture to obtain a radar imaging result, and stores the radar imaging result.
The image data analysis module (4) analyzes the radar (1) imaging result and outputs fault diagnosis information, and the fault diagnosis information comprises the following steps: the image data analysis module (4) processes the stored radar imaging result, firstly, the amplitude of each pixel point is accumulated, if the accumulated sum is zero, an abnormal mark is directly reported to the imaging process control module, and the imaging process is stopped; if the sum is not zero, the calculation and judgment are carried out according to the imaging motion parameters transmitted by the imaging process control module, if the imaging motion direction is the horizontal axis direction, linear stripes are detected in the vertical direction of the imaging motion direction, if more than one stripe is detected, an abnormal mark is reported to the imaging process control module, the imaging process is stopped, and if the number of the stripes is one, the imaging process is continued.
The input radar imaging parameters comprise imaging point positions, imaging times and imaging motion parameters.
The invention also provides a radar equipment image transmission fault diagnosis method, which is characterized by comprising the following steps: initiating radar (1) imaging work, comprising: the radar (1) enters a standby state, radar imaging working mode parameters are input, position booking, tracking and imaging instructions are sequentially sent according to the radar imaging parameters to form a continuous circulating instruction stream, and meanwhile state information of imaging and imaging completion of the radar (1) equipment is received;
reading radar (1) imaging information, comprising: according to a starting signal, starting receiving radar imaging information, completing multi-frame imaging data caching in a communication period, extracting state information and radar image information, splicing data according to the size of a radar image picture to obtain a radar imaging result, and storing the radar imaging result;
analyzing radar (1) imaging results and outputting fault diagnosis information, comprising: firstly, accumulating the amplitude values of all pixel points, if the accumulated sum is zero, directly reporting an abnormal mark to an imaging process control module, and terminating the imaging process; if the accumulated sum is not zero, calculating and judging according to the imaging motion parameters, if the imaging motion direction is the horizontal axis direction, detecting linear stripes in the vertical direction of the direction, if more than one stripe is detected, reporting an abnormal mark, terminating the imaging process, and if the number of the stripes is one, continuing the imaging process.
The input radar imaging parameters comprise imaging point positions, imaging times and imaging motion parameters.
The invention realizes the automation of the image interpretation of the radar equipment, shortens the time for diagnosing the transmission fault of the radar image, improves the test diagnosis efficiency of the system and has wider application prospect.
Drawings
Fig. 1 is a schematic diagram of an image transmission failure diagnosis system of a radar apparatus of the present invention.
1. Radar 2, radar unit test equipment 3, imaging process control module 4, image data analysis module
Detailed Description
The following detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
The invention provides an image transmission fault diagnosis system of radar equipment, which comprises: the system comprises a radar 1, a radar unit testing device 2, an imaging flow control module 3 and an image data analysis module 4; wherein, be connected through power supply and communication cable between radar 1, radar unit test equipment 2, formation of image flow control module 3, the image data analysis module 4, formation of image flow control module 3, image data analysis module 4 mountable are in radar unit test equipment 2's computer.
The imaging flow control module 3 starts the imaging work of the radar 1 and sends an imaging command according to the radar imaging parameters to control the radar imaging flow. The image data analysis module 4 reads the imaging information of the radar 1, and then the image data analysis module 4 analyzes the imaging result of the radar 1 and outputs fault diagnosis information.
The imaging flow control module 3 starts the imaging work of the radar 1 and comprises the following steps: the radar unit testing equipment 2 is started, the radar 1 is controlled to enter a standby state through the power supply and the communication cable, radar imaging parameters are input, the input radar imaging parameters comprise imaging point positions, imaging times and imaging motion parameters, and the imaging flow control module 3 sequentially sends position reservation, tracking and imaging instructions according to the input radar imaging parameters to form a continuous circulating instruction flow and simultaneously receives state information of imaging and imaging completion of the radar 1 equipment.
The image data analysis module 4 reads the imaging information of the radar 1, and comprises: the image data analysis module 4 starts the receiving of radar imaging information according to a starting signal sent by the imaging flow control module 3, finishes multi-frame imaging data caching in a communication period, extracts the state information and the radar image information, splices data according to the size of the radar image picture to obtain a radar imaging result, and stores the radar imaging result.
The image data analysis module 4 for analyzing the imaging result of the radar 1 and outputting the fault diagnosis information comprises: and the image data analysis module 4 processes the stored radar imaging result.
Firstly, the amplitude of each pixel point is accumulated, if the accumulated sum is zero, an abnormal mark is directly reported to an imaging process control module, and the imaging process is terminated.
If the accumulated sum is not zero, calculation and judgment are carried out according to the imaging motion parameters transmitted by the imaging process control module, if the imaging motion direction is the horizontal axis direction, linear stripes are detected in the direction vertical to the direction, if more than one stripe is detected, an abnormal mark is reported to the imaging process control module, the imaging process is stopped, and if the number of the stripes is one, the imaging process is continued.
In addition, the invention also provides a radar equipment image transmission fault diagnosis method, which comprises the following specific steps:
first step, constructing radar image transmission fault diagnosis system
A radar image transmission failure diagnosis system comprising: radar 1, radar unit test equipment 2, formation of image flow control module 3, image data analysis module 4, radar 1 is connected with communication cable through the power supply with radar unit test equipment 2, and formation of image flow control module 3, image data analysis module 4 are installed in radar unit test equipment 2's computer. The imaging flow control module 3 functions as: and sending an imaging command according to parameters required by radar imaging, such as imaging point positions, imaging motion parameters and the like, and controlling a radar imaging process. The image data analysis module 4 functions as: and analyzing and storing the format of the image data transmitted by the radar, analyzing and calculating, and outputting the result.
The second step imaging flow control module 3 starts the imaging work of the radar 1
Starting the radar unit testing equipment 2, controlling the radar 1 to enter a standby state through the power supply and communication cable, inputting radar imaging parameters, wherein the radar imaging parameters comprise imaging point positions, imaging times and imaging motion parameters, and the imaging flow control module 3 sequentially sends position reservation, tracking and imaging instructions according to the input information and the radar imaging working process characteristics, forms a continuous and continuous instruction flow and simultaneously receives the state information of imaging and imaging completion of the radar 1 equipment.
The third step is that the image data analysis module 4 reads the imaging information of the radar 1
The image data analysis module 4 starts a radar imaging information receiving thread according to a starting signal sent by the imaging flow control module 3, completes multi-frame data caching in a communication period according to a predetermined communication protocol, extracts state information and image content information, combines and splices data according to the size of the radar image and stores an image result in a computer hard disk.
The fourth step is that the image data analysis module 4 analyzes the imaging result of the radar 1 and outputs fault diagnosis information
The image data analysis module 4 processes according to the image storage result obtained in the previous step, firstly, the amplitude of each pixel point is accumulated, if the accumulated sum is zero, an abnormal mark is directly reported to the imaging process control module, and the imaging process is terminated; if the sum is not zero, the calculation and judgment are carried out according to the imaging motion parameters transmitted by the imaging process control module, if the imaging motion direction is the horizontal axis direction, linear stripes are detected in the direction vertical to the direction, if more than one stripe is detected, an abnormal mark is reported to the imaging process control module, the imaging process is stopped, and if the number of the stripes is one, the imaging process is continued.
And completing the image transmission fault diagnosis of the radar equipment.
Claims (6)
1. A radar apparatus image transmission failure diagnosis system characterized by comprising: the system comprises a radar (1), radar unit testing equipment (2), an imaging flow control module (3) and an image data analysis module (4); the radar (1), the radar unit testing equipment (2), the imaging flow control module (3) and the image data analysis module (4) are connected with each other through power supply and communication cables;
the imaging flow control module (3) starts the imaging work of the radar (1) and sends an imaging command according to the radar imaging parameters to control the radar to image;
the image data analysis module (4) reads imaging information of the radar (1);
the image data analysis module (4) analyzes imaging information of the radar (1) and outputs fault diagnosis information;
the image data analysis module (4) analyzes the radar (1) imaging result and outputs fault diagnosis information, and the fault diagnosis information comprises: the image data analysis module (4) processes the stored radar imaging result,
firstly, accumulating the amplitude values of all pixel points, if the accumulated sum is zero, directly reporting an abnormal mark to an imaging process control module, and terminating the imaging process;
if the sum is not zero, the calculation and judgment are carried out according to the imaging motion parameters transmitted by the imaging process control module, if the imaging motion direction is the horizontal axis direction, the linear stripes are detected in the vertical direction of the imaging motion direction, if more than one stripe is detected, an abnormal mark is reported to the imaging process control module, the imaging process is stopped, and if the number of the stripes is one, the imaging process is continued.
2. The radar apparatus image transmission failure diagnosis system according to claim 1,
the imaging flow control module (3) starts the radar (1) to perform imaging work and comprises the following steps: the radar unit testing equipment (2) is started, the radar (1) enters a standby state, radar imaging parameters are input, and the imaging flow control module (3) sequentially sends position reservation, tracking and imaging instructions according to the input radar imaging parameters to form a continuous circulating instruction flow and simultaneously receives the imaging and imaging completed state information of the radar (1) equipment.
3. The radar apparatus image transmission failure diagnosis system according to claim 2,
the image data analysis module (4) reads the imaging information of the radar (1) and comprises the following steps: the image data analysis module (4) starts the receiving of radar imaging information according to a starting signal sent by the imaging flow control module (3), completes the multi-frame imaging data caching in a communication period, extracts the state information and the radar image information, splices data according to the size of the radar image picture to obtain a radar imaging result, and stores the radar imaging result.
4. The radar apparatus image transmission failure diagnosis system according to claim 2, wherein the input radar imaging parameters include imaging point location, imaging number, imaging motion parameters.
5. A radar apparatus image transmission failure diagnosis method, characterized by comprising the steps of:
initiating radar (1) imaging work, comprising: the radar (1) enters a standby state, radar imaging parameters are input, position reservation, tracking and imaging instructions are sequentially sent according to the input radar imaging parameters, a continuous circulating instruction stream is formed, and meanwhile state information of imaging and imaging completion of the radar (1) equipment is received;
reading radar (1) imaging information, comprising: according to a starting signal, starting receiving radar imaging information, completing multi-frame imaging data caching in a communication period, extracting state information and radar image information, splicing data according to the size of an image frame of a radar image to obtain a radar imaging result, and storing the radar imaging result;
analyzing radar (1) imaging results and outputting fault diagnosis information, comprising:
firstly, accumulating the amplitude values of all pixel points, if the accumulated sum is zero, directly reporting an abnormal mark to an imaging process control module, and terminating the imaging process;
if the sum is not zero, calculation judgment is carried out according to the imaging motion parameters, if the imaging motion direction is the horizontal axis direction, linear stripes are detected in the vertical direction of the imaging motion direction, if more than one stripe is detected, an abnormal mark is reported, the imaging process is terminated, and if the number of the stripes is one, the imaging process is continued.
6. The radar apparatus image transmission failure diagnosis method according to claim 5, wherein the input radar imaging parameters include imaging point location, imaging number, imaging motion parameters.
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