CN110244283A - It can be along the Radar Calibration system that strong scattering direction tracks - Google Patents
It can be along the Radar Calibration system that strong scattering direction tracks Download PDFInfo
- Publication number
- CN110244283A CN110244283A CN201910634154.9A CN201910634154A CN110244283A CN 110244283 A CN110244283 A CN 110244283A CN 201910634154 A CN201910634154 A CN 201910634154A CN 110244283 A CN110244283 A CN 110244283A
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- corner reflector
- along
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- calibration system
- bracket
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- 238000009434 installation Methods 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
-
- 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
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/497—Means for monitoring or calibrating
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
It can be along the Radar Calibration system that strong scattering direction tracks, including bracket, the top of bracket is equipped with mounting platform, universal regulator is installed at the top of mounting platform, the top of universal regulator is equipped with high-precision linear guide, corner reflector mounting bracket is equipped with by straight-line guide rail slide block installation in high-precision linear guide, corner reflector is installed in corner reflector mounting bracket, the laser emitter that visible light can be launched is installed in the cavity of corner reflector, the light that laser transmitter projects go out projects and along the center in the mouth face of corner reflector perpendicular to the mouth face of corner reflector.Its purpose is to provide a kind of moving directions that side slope radar corner reflector is adjusted by visible laser, to guarantee that the movement of corner reflector is along radar line of sight direction, improve side slope radar accuracy and verify accuracy, so can quickly side slope radar do precision calibration can be along the Radar Calibration system that strong scattering direction tracks.
Description
Technical field
The present invention relates to one kind can be along the Radar Calibration system that strong scattering direction tracks.
Background technique
With the development of Radar Technology, ground synthetic aperture radar is widely applied in slope monitoring field at present,
Application effect also obtains industry approval, simultaneously as round-the-clock, long distance possessed by ground synthetic aperture radar technique itself
The characteristics of from, non-contact monitoring, ground synthetic aperture radar monitoring technology will gradually substitute the monitoring such as traditional GPS, strain gauge
Technology, wide market.However, there are no the standards of unified verifying radar accuracy currently on the market, current major part is all
It is needed using the accuracy that laying corner reflector verifies radar data as target in side slope when laying corner reflector
Corner reflection face direction is towards the direction of radar wave, to obtain radar strong point in image, since the deformation that radar measures is
Deformation along radar line of sight direction, therefore when doing radar data calibration with corner reflector, need to guarantee corner reflector movement
Direction is radar line of sight direction, and still, due to the invisibility of electromagnetic wave, there is presently no effective methods to guarantee corner reflection face
Towards radar wave direction, the moving direction that both not can guarantee corner reflector is moved along the strong scattering direction of radar wave.It is based on
Problem above, according to the rectilinear propagation properties of electromagnetic wave and light, we have invented one kind can be along the radar that strong scattering direction tracks
Calibration system.The system carries out direction adjustment by way of emitting visible laser, can be accurately and rapidly by corner reflector
Moving direction navigates to radar wave strong scattering direction.
Summary of the invention
The purpose of the present invention is to provide a kind of rectilinear propagation properties according to electromagnetic wave and light, are adjusted by visible laser
The moving direction for the treatment of selvedge slope radar corner reflector, to guarantee that the movement of corner reflector is to improve side slope thunder along radar line of sight direction
Up to precision test accuracy, and then quickly precision calibration can be done by side slope radar, to verify the accuracy of radar monitoring data
Whether it is satisfactory can be along the Radar Calibration system that strong scattering direction tracks.
Of the invention can be equipped with installation along the Radar Calibration system that strong scattering direction tracks, including bracket, the top of bracket
Platform, universal regulator is equipped at the top of mounting platform, and the top of universal regulator is equipped with high-precision linear guide, high-precision
Linear guide can allow high-precision linear guide to make rotating motion along horizontal direction by adjusting universal regulator, or along perpendicular
Histogram is to making rotating motion；
Corner reflector mounting bracket, corner reflector are equipped with by straight-line guide rail slide block installation in the high-precision linear guide
Mounting bracket can move reciprocatingly along high-precision linear guide under the drive of the motor, be equipped in corner reflector mounting bracket
Corner reflector, corner reflector are spliced to form a positive triangular pyramid by the metal plate of 3 isosceles triangles, and the three of positive triangular pyramid
Plane where a bottom edge constitutes the mouth face of corner reflector, and the mouth face of corner reflector is perpendicular to high-precision linear guide, corner reflection
The laser emitter that visible light can be launched is installed, the light that laser transmitter projects go out is along corner reflector in the cavity of device
Mouth face center project and perpendicular to the mouth face of corner reflector.
Preferably, the bracket is Three-legged bracket.
Preferably, the corner reflector is made of the aluminium alloy plate or steel plate of 3 isosceles triangles.
Preferably, the length on the bottom edge is all 600mm.
Preferably, the high-precision linear guide can do 360 ° of rotary motion along horizontal direction, can be along vertical side
To the rotary motion for doing 180 °.
Preferably, the positioning accuracy of the high-precision linear guide is 0.1mm.
Of the invention can start motor, corner reflector can be allowed along height along the Radar Calibration system that strong scattering direction tracks
The displacement of precision linear guide.When in use, one of laser is issued using the laser emitter that can launch visible light, such as red
Laser the moving direction of side slope radar corner reflector is adjusted by red laser, and then guarantee angle then based on this
The movement of reflector is along radar line of sight direction, to improve side slope radar accuracy verifying accuracy.Therefore, of the invention can be along strong
The Radar Calibration system that scattering direction tracks has the moving direction that side slope radar corner reflector is adjusted by visible laser, comes
The movement for guaranteeing corner reflector is to improve side slope radar accuracy along radar line of sight direction and verify accuracy, and then can be quickly right
Side slope radar does precision calibration, the characteristics of whether accuracy of radar monitoring data meets the requirements verified.
The present invention is described in detail with reference to the accompanying drawings and embodiments.
Detailed description of the invention
Fig. 1 can be along the main view of the structural schematic diagram for the Radar Calibration system that strong scattering direction tracks for of the invention；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the top view of Fig. 1.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, of the invention can be along the Radar Calibration system that strong scattering direction tracks, including bracket
1, the top of bracket 1 is equipped with mounting platform 2, and the top of mounting platform 2 is equipped with universal regulator 3, the top of universal regulator 3
Equipped with high-precision linear guide 4, high-precision linear guide 4 can allow 4 edge of high-precision linear guide by adjusting universal regulator 3
Horizontal direction make rotating motion, or make rotating motion along vertical direction；
Corner reflector mounting bracket 9, corner reflection are equipped with by straight-line guide rail slide block installation in the high-precision linear guide 4
Device mounting bracket 9 can move reciprocatingly under the driving of motor 5 along high-precision linear guide 4, in corner reflector mounting bracket 9
Corner reflector 6 is installed, corner reflector 6 is spliced to form a positive triangular pyramid, positive trigone by the metal plate of 3 isosceles triangles
Plane where three bottom edges 7 of taper constitutes the mouth face of corner reflector 6, and the mouth face of corner reflector 6 is perpendicular to high-precision straight line
Guide rail 4 is equipped with the laser emitter 8 that can launch visible light in the cavity of corner reflector 6, what laser emitter 8 was launched
Light projects and along the center in the mouth face of corner reflector 6 perpendicular to the mouth face of corner reflector 6.
The light source for allowing laser 6 to emit is parallel to high-precision linear guide 4, can guarantee to adjust angle by light source in this way
After the angle of reflector 6, the moving distance of corner reflector 6 is exactly along radar line of sight direction.
Above-mentioned corner reflector 6 also known as radar reflector, it is the different rule being made by sheet metal root Ju difference purposes
The indicator wave mirror of lattice.When radar electromagnetic wave scanning is to after corner reflection, electromagnetic wave can generate refraction amplification in metal angle, produce
, there is very strong echo target on the screen of radar in raw very strong echo-signal.
As a further improvement of the present invention, above-mentioned bracket 1 is Three-legged bracket.
As a further improvement of the present invention, above-mentioned corner reflector 6 by 3 isosceles triangles aluminium alloy plate or steel plate system
At.When the angle of incidence changes, the corner reflector with triangular facet can obtain biggish echo function in biggish angular range
Rate.
As a further improvement of the present invention, the length on above-mentioned bottom edge 7 is all 600mm.
As a further improvement of the present invention, above-mentioned high-precision linear guide 4 can do 360 ° of rotation along horizontal direction
Movement, can do 180 ° of rotary motion along vertical direction.
As a further improvement of the present invention, the positioning accuracy of above-mentioned high-precision linear guide 4 is 0.1mm.Corner reflector 6
It can make the displacement of the 0.1mm order of magnitude along high-precision linear guide 4.
Due to the invisible characteristic of electromagnetic wave, it is along radar line of sight direction that we, which not can guarantee the mobile direction of corner reflector,
It is mobile, can not accurate calibration radar line of sight direction deformation values it is whether accurate, to solve the above-mentioned problems, the present invention is based on visible
Light and electromagnetic wave all have the characteristic of straightline propagation, and creative joined on corner reflector 6 can launch visible light
Laser emitter 8, by the laser beam for emitting visible light property, it may be convenient to which the moving direction of corner reflector 6 to be adjusted to
Radar line of sight direction.
It is of the invention to start motor 5 along the Radar Calibration system that strong scattering direction tracks, can allow corner reflector 6 along
High-precision linear guide 4 makees the displacement of the 0.1mm order of magnitude.When in use, it is sent out using the laser emitter 8 that can launch visible light
One of laser out, such as red laser, then based on this, side slope radar corner reflector is adjusted by red laser
Moving direction, and then guarantee that the movement of corner reflector is along radar line of sight direction, to improve side slope radar accuracy verifying accuracy.
Therefore, it is of the invention can have along the Radar Calibration system that strong scattering direction tracks corner reflector 6 is adjusted by visible laser
Moving direction, come guarantee the movement of corner reflector 6 be along radar line of sight direction, it is accurate to improve the verifying of side slope radar accuracy
Property, and then quickly can do precision calibration by side slope radar, it is whether satisfactory with the accuracy for verifying radar monitoring data
Feature.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to the scope of the invention
It is defined, without departing from the spirit of the design of the present invention, this field ordinary engineering and technical personnel is to technical side of the invention
The various changes and improvements that case is made, should fall within the scope of protection determined by the claims of the present invention.
Claims (6)
1. can be along the Radar Calibration system that strong scattering direction tracks, it is characterized in that: including bracket (1), the top of bracket (1) is equipped with
Mounting platform (2) is equipped with universal regulator (3) at the top of mounting platform (2), and the top of universal regulator (3) is equipped with high-precision
It spends linear guide (4), by adjusting universal regulator (3), high-precision linear guide (4) can be allowed to do rotation fortune along horizontal direction
It is dynamic, or make rotating motion along vertical direction；
Corner reflector mounting bracket (9) are equipped with by straight-line guide rail slide block installation on the high-precision linear guide (4), corner reflection
Device mounting bracket (9) can move reciprocatingly under the driving of motor (5) along high-precision linear guide (4), corner reflector installation
It is equipped on bracket (9) corner reflector (6), corner reflector (6) is spliced to form one positive three by the metal plate of 3 isosceles triangles
Pyramid, the plane where three bottom edges (7) of positive triangular pyramid constitute the mouth face of corner reflector (6), the mouth of corner reflector (6)
Face is equipped with the laser emitter that can launch visible light in the cavity of corner reflector (6) perpendicular to high-precision linear guide (4)
(8), the light that laser emitter (8) is launched projects and along the center in the mouth face of corner reflector (6) perpendicular to corner reflector
(6) mouth face.
2. as described in claim 1 can be along the Radar Calibration system that strong scattering direction tracks, it is characterized in that: the bracket (1)
For Three-legged bracket.
3. as claimed in claim 2 can be along the Radar Calibration system that strong scattering direction tracks, it is characterized in that: the corner reflector
(6) it is made of the aluminium alloy plate of 3 isosceles triangles or steel plate.
4. as claimed in claim 3 can be along the Radar Calibration system that strong scattering direction tracks, it is characterized in that: the bottom edge (7)
Length be all 600mm.
5. as described in any one of Claims 1-4 can be along the Radar Calibration system that strong scattering direction tracks, feature
Be: the high-precision linear guide (4) can do 360 ° of rotary motion along horizontal direction, can do 180 ° along vertical direction
Rotary motion.
6. as claimed in claim 5 can be along the Radar Calibration system that strong scattering direction tracks, it is characterized in that: the high-precision is straight
The positioning accuracy of line guide rail (4) is 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910634154.9A CN110244283A (en) | 2019-07-15 | 2019-07-15 | It can be along the Radar Calibration system that strong scattering direction tracks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910634154.9A CN110244283A (en) | 2019-07-15 | 2019-07-15 | It can be along the Radar Calibration system that strong scattering direction tracks |
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| Publication Number | Publication Date |
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| CN110244283A true CN110244283A (en) | 2019-09-17 |
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ID=67892109
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|---|---|---|---|
| CN201910634154.9A Pending CN110244283A (en) | 2019-07-15 | 2019-07-15 | It can be along the Radar Calibration system that strong scattering direction tracks |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111796248A (en) * | 2020-09-08 | 2020-10-20 | 奥特酷智能科技(南京)有限公司 | Combined calibration method for laser radar and millimeter wave radar |
| CN113311435A (en) * | 2021-07-30 | 2021-08-27 | 深圳海荻威光电科技有限公司 | Doppler speed measuring device based on radio signals |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102495398A (en) * | 2011-12-27 | 2012-06-13 | 北京智华驭新汽车电子技术开发有限公司 | Method and device for regulating collimation axis of radar |
| CN102998666A (en) * | 2012-11-23 | 2013-03-27 | 北京航空航天大学 | Background extraction method and device for radar cross section (RCS) test |
| CN206321784U (en) * | 2016-11-07 | 2017-07-11 | 北京行易道科技有限公司 | Laser alignment structure and the Radar Measurement System with it |
| CN107449461A (en) * | 2017-09-29 | 2017-12-08 | 深圳市道通科技股份有限公司 | Auxiliary calibration equipment |
| CN107966690A (en) * | 2018-01-12 | 2018-04-27 | 深圳市道通科技股份有限公司 | Trailer-mounted radar calibration facility |
| CN108152802A (en) * | 2018-01-05 | 2018-06-12 | 山东理工大学 | A kind of Review for Helicopter laser radar three-dimension altitude angle compensation method and device |
| CN108427103A (en) * | 2018-04-20 | 2018-08-21 | 中铁第四勘察设计院集团有限公司 | A kind of corner reflector for the calibration of ground-based radar echo-signal |
| CN108931762A (en) * | 2018-09-04 | 2018-12-04 | 中国安全生产科学研究院 | Slope displacement monitoring radar accuracy caliberating device |
| CN109143187A (en) * | 2018-09-29 | 2019-01-04 | 惠州市德赛西威汽车电子股份有限公司 | A kind of vehicle-mounted millimeter wave angle radar test method |
| CN210222244U (en) * | 2019-07-15 | 2020-03-31 | 中国安全生产科学研究院 | Radar calibration system capable of tracking along strong scattering direction |
-
2019
- 2019-07-15 CN CN201910634154.9A patent/CN110244283A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102495398A (en) * | 2011-12-27 | 2012-06-13 | 北京智华驭新汽车电子技术开发有限公司 | Method and device for regulating collimation axis of radar |
| CN102998666A (en) * | 2012-11-23 | 2013-03-27 | 北京航空航天大学 | Background extraction method and device for radar cross section (RCS) test |
| CN206321784U (en) * | 2016-11-07 | 2017-07-11 | 北京行易道科技有限公司 | Laser alignment structure and the Radar Measurement System with it |
| CN107449461A (en) * | 2017-09-29 | 2017-12-08 | 深圳市道通科技股份有限公司 | Auxiliary calibration equipment |
| CN108152802A (en) * | 2018-01-05 | 2018-06-12 | 山东理工大学 | A kind of Review for Helicopter laser radar three-dimension altitude angle compensation method and device |
| CN107966690A (en) * | 2018-01-12 | 2018-04-27 | 深圳市道通科技股份有限公司 | Trailer-mounted radar calibration facility |
| CN108427103A (en) * | 2018-04-20 | 2018-08-21 | 中铁第四勘察设计院集团有限公司 | A kind of corner reflector for the calibration of ground-based radar echo-signal |
| CN108931762A (en) * | 2018-09-04 | 2018-12-04 | 中国安全生产科学研究院 | Slope displacement monitoring radar accuracy caliberating device |
| CN109143187A (en) * | 2018-09-29 | 2019-01-04 | 惠州市德赛西威汽车电子股份有限公司 | A kind of vehicle-mounted millimeter wave angle radar test method |
| CN210222244U (en) * | 2019-07-15 | 2020-03-31 | 中国安全生产科学研究院 | Radar calibration system capable of tracking along strong scattering direction |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111796248A (en) * | 2020-09-08 | 2020-10-20 | 奥特酷智能科技(南京)有限公司 | Combined calibration method for laser radar and millimeter wave radar |
| CN113311435A (en) * | 2021-07-30 | 2021-08-27 | 深圳海荻威光电科技有限公司 | Doppler speed measuring device based on radio signals |
| CN113311435B (en) * | 2021-07-30 | 2021-10-01 | 深圳海荻威光电科技有限公司 | Doppler speed measuring device based on radio signals |
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