CN110412526A - A kind of radar performance figure test method - Google Patents
A kind of radar performance figure test method Download PDFInfo
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- CN110412526A CN110412526A CN201910669613.7A CN201910669613A CN110412526A CN 110412526 A CN110412526 A CN 110412526A CN 201910669613 A CN201910669613 A CN 201910669613A CN 110412526 A CN110412526 A CN 110412526A
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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
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- Computer Networks & Wireless Communication (AREA)
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The present invention relates to radar test field, specifically a kind of radar performance figure test method, the specific steps of which are as follows: S1: drop target installs radar；S2: starting test software starts to test；S3: control rotating electric machine rotates and acquires data；S4: the data of acquisition are carried out apart from equivalent；S5: coverage diagram is drawn to equivalent range data out；Three parts, which are drawn, by acquisition data, apart from equivalent and coverage diagram intuitively and accurately gives expression to radar in the range of space exploration, method relative to conventional measurement coverage diagram, the present invention greatly improves the speed and repeatability of measurement, coverage diagram is the important indicator of radar overall performance, it is also the important means linked up with layman, has very important significance.
Description
Technical field
The present invention relates to radar test field, specifically a kind of radar performance figure test method.
Background technique
Along with the extensive application of trailer-mounted radar, the test of radar is often limited by factors such as place, weather, environment.Hold
The inaccuracy of radar test is easily caused, and traditional test needs to expend a large amount of manpowers.Additionally due to different time place is different
Personnel operation often obtain different results.These problems may cause to the inconsistent of racon understanding and to radar
The false judgment of detectivity.
Summary of the invention
To solve the above-mentioned problems, the present invention proposes a kind of radar performance figure test method.
A kind of radar performance figure test method, the specific steps of which are as follows:
S1: drop target installs radar；
S2: starting test software starts to test；
S3: control rotating electric machine rotates and acquires data；
S4: carry out the data of acquisition apart from equivalent: the data acquired according to step S3 utilize the spy of this target and standard
The difference of RCS between target is surveyed, analyzes and the radar equation of application standard converses corresponding distance；
S5: to it is equivalent go out range data draw coverage diagram: the distance after equivalent, using specific program read and
Automatically corresponding radar coverage-diagram is drawn out.
Radar is mounted in the microwave dark room of turntable by the step S1, after the completion of connection, is appointed immediately ahead of radar
One fixed range puts down the target of RCS known to one.
Referring to the angle of radar antenna design, software control turntable rotates the step S3 automatically, and automatically records
Under the target information that returns in different directions of the radar that is read out from host computer.
The software of the step S3 is Matlab.
The program that the specific program of the step S5 is write by Matlab, control turntable drives radar rotation, and remembers
The data that lower radar detects target echo signal under different angle are recorded, using the collected data of institute and use radar equation:
Pr=Pt*Gt*Gr*RCS* λ 2/ [(4 π) 3*R4*Ls]
Radar is analyzed under square one, radar can detect the distance of standard target, finally draw using software
Final radar coverage-diagram.
The beneficial effects of the present invention are: it is intuitive and accurate to draw three parts by acquisition data, apart from equivalent and coverage diagram
Give expression to radar in the range of space exploration, relative to the method for conventional measurement coverage diagram, the present invention greatly improves the speed of measurement
Degree and repeatability, coverage diagram is the important indicator of radar overall performance, and the important means linked up with layman, tool
There is very important meaning.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is flowage structure schematic diagram of the invention；
Fig. 2 is work structuring environment schematic of the invention；
Fig. 3 is test equipment structural schematic diagram of the invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below it is right
The present invention is further described.
As shown in Figure 1 to Figure 3, a kind of radar performance figure test method, the specific steps of which are as follows:
S1: drop target installs radar；
S2: starting test software starts to test；
S3: control rotating electric machine rotates and acquires data；
S4: carry out the data of acquisition apart from equivalent: the data acquired according to step S3 utilize the spy of this target and standard
The difference of RCS between target is surveyed, analyzes and the radar equation of application standard converses corresponding distance, the method can be accurate equivalent
Out under actual conditions target detection range；
S5: to it is equivalent go out range data draw coverage diagram: the distance after equivalent, using specific program read and
Automatically corresponding radar coverage-diagram is drawn out.
Radar is mounted in the microwave dark room of turntable by the step S1, after the completion of connection, is appointed immediately ahead of radar
One fixed range puts down the target of RCS known to one
Referring to the angle of radar antenna design, software control turntable rotates the step S3 automatically, and automatically records
Under the target information that returns in different directions of the radar that is read out from host computer, the method can under Quick Acquisition needed for
Data.
The software of the step S3 is Matlab.
The intuitive and accurate radar that gives expression to of three parts is drawn by acquisition data, apart from equivalent and coverage diagram to visit in space
The range of survey, relative to the method for conventional measurement coverage diagram, the present invention greatly improves the speed and repeatability of measurement, and coverage diagram is
The important indicator of radar overall performance, and the important means linked up with layman, have very important significance.
1 in Fig. 2 is microwave dark room, and 2 be the target in step S3, and target is corner reflector, and 3 be test equipment.
3a in Fig. 3 is computer, and 3b is motor control box, and 3c is rotating electric machine, and 3d is radar.
The program that the specific program of the step S5 is write by Matlab, control turntable drives radar rotation, and remembers
The data that lower radar detects target echo signal under different angle are recorded, using the collected data of institute and use radar equation:
Pr=Pt*Gt*Gr*RCS* λ 2/ [(4 π) 3*R4*Ls]
Radar is analyzed under square one, radar can detect the distance of standard target, finally draw using software
Final radar coverage-diagram.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (5)
1. a kind of radar performance figure test method, it is characterised in that: the specific steps of which are as follows:
S1: drop target installs radar；
S2: starting test software starts to test；
S3: control rotating electric machine rotates and acquires data；
S4: carry out the data of acquisition apart from equivalent: the data acquired according to step S3 utilize the detection mesh of this target and standard
The difference of RCS between mark, is analyzed and the radar equation of application standard converses corresponding distance；
S5: coverage diagram: the distance after equivalent is drawn to equivalent range data out, is read using specific program and automatic
Draw out corresponding radar coverage-diagram.
2. a kind of radar performance figure test method according to claim 1, it is characterised in that: the step S1 is by thunder
Up in the microwave dark room for being mounted on turntable, after the completion of connection, any fixed range puts down RCS known to one immediately ahead of radar
Target.
3. a kind of radar performance figure test method according to claim 1, it is characterised in that: the step S3 reference
The angle of radar antenna design, software control turntable rotates automatically, and automatically records down the radar read out from host computer
The target information returned in different directions.
4. a kind of radar performance figure test method according to claim 1, it is characterised in that: the step S3's is soft
Part is Matlab.
5. a kind of radar performance figure test method according to claim 1, it is characterised in that: the spy of the step S5
Determine the program that program is write by Matlab, control turntable drives radar rotation, and records radar and detect under different angle
The data of target echo signal using the collected data of institute and use radar equation:
Pr=Pt*Gt*Gr*RCS* λ 2/ [(4 π) 3*R4*Ls]
Radar is analyzed under square one, radar can detect the distance of standard target, finally draw finally using software
Radar coverage-diagram.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180374A (en) * | 2020-09-23 | 2021-01-05 | 南京楚航科技有限公司 | Vehicle-mounted millimeter wave radar RCS test method based on high-precision intelligent mechanical arm |
| CN112649792A (en) * | 2020-12-18 | 2021-04-13 | 芜湖易来达雷达科技有限公司 | Millimeter wave radar test turntable and test method thereof |
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| CN112180374A (en) * | 2020-09-23 | 2021-01-05 | 南京楚航科技有限公司 | Vehicle-mounted millimeter wave radar RCS test method based on high-precision intelligent mechanical arm |
| CN112649792A (en) * | 2020-12-18 | 2021-04-13 | 芜湖易来达雷达科技有限公司 | Millimeter wave radar test turntable and test method thereof |
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