CN204389675U - A kind of micrometric displacement radar corner reflector based on Synthetic Aperture Radar Technique - Google Patents
A kind of micrometric displacement radar corner reflector based on Synthetic Aperture Radar Technique Download PDFInfo
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- CN204389675U CN204389675U CN201520000857.3U CN201520000857U CN204389675U CN 204389675 U CN204389675 U CN 204389675U CN 201520000857 U CN201520000857 U CN 201520000857U CN 204389675 U CN204389675 U CN 204389675U
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- screw mandrel
- vernier
- corner reflector
- roller bearing
- mobile module
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Abstract
The utility model discloses a kind of micrometric displacement radar corner reflector based on Synthetic Aperture Radar Technique, it is characterized in that, comprise the triangular pyramidal corner reflector, Y-direction mobile module and the X-direction mobile module that connect successively.The beneficial effect that the utility model reaches: this device drives whole corner reflector in the movement of X-direction by the screw mandrel knob of X-direction, by the reading of the vernier scale of X-direction, read the shift value of corner reflector in X-direction, by rotating the screw mandrel knob of Y-direction, corner reflector can be made to move in the Y direction, exact shift can be read by the vernier scale being arranged on Y-direction, in order to reduce to rock cause reading error because corner reflector moves the vernier caused, the utility model is at the X of corner reflector, vernier caliper has all been installed in Y-direction both sides, corner reflector can be made to rotate arbitrarily by rotating fulcrum, strengthen the reflection strength of radar signal, improve signal to noise ratio (S/N ratio).
Description
Technical field
The utility model relates to a kind of micrometric displacement radar corner reflector based on Synthetic Aperture Radar Technique, belongs to SAR interferometry technical field.
Background technology
Along with the development of synthetic aperture radar interferometry technology, this technology not only can fast, large area obtains the topomap of various engineer's scale, can also be used for many fields such as resource exploration, environmental monitoring, hazard forecasting, the condition of a disaster assessment and military surveillance.Research and development can make full use of the theory and technology of synthetic aperture radar interferometry technology, expand the application in economy and social sustainable development every field of synthetic aperture radar interferometry technology, be more and more subject to the attention of academia and industrial community.Synthetic aperture radar interferometry technology has round-the-clock, that round-the-clock obtains earth's surface information feature with it becomes the indispensable sensor of technical field of earth observation, be particularly useful for the area of traditional optical sensor difficult in imaging, as hylaea area, cloudy mist, the rainy area etc. such as southwest, south China of China.Although synthetic aperture radar interferometry technology is also with image form display atural object target signature, but it is different from imaging mode and the imaging mechanism of optical sensor, on the one hand for the every field of earth observation technology provides brand-new means, again new challenge is provided to data processing and information on the other hand, through the effort of decades, developing rapidly of radar remote sensing field, SAR imaging technique and the information processing technology have a great development.Meanwhile GBInSAR technology is at bridge, landslide, the deformation monitoring of glacier and dam uses ground also more and more extensive, in order to ensure the quantitative observation function of GBInSAR system, need to calibrate in observation area, because corner reflector can provide larger radar cross section, so usually as canonical reference target during calibration, laying angle reverberator in monitored area, but because usual corner reflector is installed complicated, recycling rate of waterused is low, quantitative simulation displacement can not be carried out, therefore, study a kind of scalable orientation and high efficiency corner reflector, the research of GBInSAR is had a very big significance.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model be to provide a kind of can in orthogonal both direction high-precision analog radar line of sight to the corner reflector of displacement, this corner reflector is installed simple, easy to carry, with low cost, in three dimensions, can change orientation arbitrarily, recycling rate of waterused is high.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
Based on a micrometric displacement radar corner reflector for Synthetic Aperture Radar Technique, it is characterized in that, comprise the triangular pyramidal corner reflector, Y-direction mobile module and the X-direction mobile module that connect successively; Described triangular pyramidal corner reflector is made up of three blocks of isosceles right angle aluminium sheets; Described Y-direction mobile module comprises Y-direction screw mandrel knob, Y-direction roller bearing screw mandrel, Y-direction roller bearing screw mandrel rolling groove, Y-direction vernier gib screw, Y-direction vernier scale and Y-direction vernier; Described isosceles right angle aluminium sheet, Y-direction vernier are all connected by connecting link with Y-direction roller bearing screw mandrel; Described Y-direction roller bearing screw mandrel two connects Y-direction screw mandrel knob; The position of described Y-direction vernier gib screw on fixing Y-direction vernier in the Y direction vernier scale; Described Y-direction roller bearing screw mandrel rolls in roller bearing screw mandrel rolling groove in the Y direction back and forth; Described X-direction mobile module comprises X-direction screw mandrel knob, X-direction roller bearing screw mandrel, X-direction vernier gib screw, X-direction vernier scale and X-direction vernier; Described Y-direction mobile module is directly connected by connecting link with X-direction mobile module; On described X-direction roller bearing screw mandrel, cover has connecting link; Two of described X-direction roller bearing screw mandrel connects X-direction screw mandrel knob; Described X-direction vernier is connected with X-direction roller bearing screw mandrel by connecting link; Described X-direction vernier scale is fixed on base; Described X-direction vernier gib screw is for the fixing position of X-direction vernier on X-direction vernier scale.
Aforesaid a kind of micrometric displacement radar corner reflector based on Synthetic Aperture Radar Technique, is characterized in that, also comprise pedestal, lock-screw, base and fulcrum; Described fulcrum is positioned at the center of base; Described lock-screw is used for a fixed pivot axis; Described Y-direction vernier scale is fixed on pedestal top.
Aforesaid a kind of micrometric displacement radar corner reflector based on Synthetic Aperture Radar Technique, is characterized in that, the described connecting link be connected with Y-direction roller bearing screw mandrel overlaps in the Y direction on roller bearing screw mandrel.
The beneficial effect that the utility model reaches: this device drives whole corner reflector in the movement of X-direction by the screw mandrel knob of X-direction, by the reading of the vernier scale of X-direction, read the shift value of corner reflector in X-direction, by rotating the screw mandrel knob of Y-direction, corner reflector can be made to move in the Y direction, exact shift can be read by the vernier scale being arranged on Y-direction, in order to reduce to rock cause reading error because corner reflector moves the vernier caused, the present invention is at the X of corner reflector, vernier caliper has all been installed in Y-direction both sides, corner reflector can be made to rotate arbitrarily by rotating fulcrum, strengthen the reflection strength of radar signal, improve signal to noise ratio (S/N ratio).
Accompanying drawing explanation
Fig. 1 is Facad structure schematic diagram of the present utility model;
Fig. 2 is right section structural representation of the present utility model;
Fig. 3 is plan structure schematic diagram of the present utility model.
1,2,3-isosceles right triangle aluminium sheet the implication of Reference numeral in figure:, 4,5,15-connecting link, 6X-X direction screw mandrel knob, 6Y-Y direction screw mandrel knob, 7-Y direction roller bearing screw mandrel rolling groove, 8X-X direction vernier gib screw, 8Y-Y direction vernier gib screw, 9X-X direction vernier scale, 9Y-Y direction vernier scale, 10X-X direction vernier, 10Y-Y direction vernier, 11-pedestal, 12-base, 13-lock-screw, 14X-X direction roller bearing screw mandrel, 14Y-Y direction roller bearing screw mandrel, 16-fulcrum.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
A kind of micrometric displacement radar corner reflector based on Synthetic Aperture Radar Technique of the utility model design, as Fig. 1, comprises the triangular pyramidal corner reflector, Y-direction mobile module, X-direction mobile module and the base module that connect successively.Can dismantle according to these four parts when dismantling this device, so that dress bag carries.
Triangular pyramidal corner reflector is welded to form by three blocks of isosceles right triangle aluminium sheets.
Y-direction mobile module comprises Y-direction screw mandrel knob 6Y, Y-direction roller bearing screw mandrel 14Y, Y-direction roller bearing screw mandrel rolling groove 7, Y-direction vernier gib screw 8Y, Y-direction vernier scale 9Y and Y-direction vernier 10Y.
The annexation of Y-direction mobile module is as follows: isosceles right angle aluminium sheet, Y-direction vernier 10Y are all connected by connecting link with Y-direction roller bearing screw mandrel 14Y, wherein, the connecting link be connected with Y-direction roller bearing screw mandrel 14Y overlap in the Y direction on roller bearing screw mandrel 14Y so that can position be adjusted.Y-direction roller bearing screw mandrel 14Y two connects Y-direction screw mandrel knob 6Y, the position of Y-direction vernier gib screw 8Y on fixing Y-direction vernier 10Y in the Y direction vernier scale 9Y.Y-direction roller bearing screw mandrel 14Y rolls in roller bearing screw mandrel rolling groove 7 in the Y direction back and forth.
X-direction mobile module comprises X-direction screw mandrel knob 6X, X-direction roller bearing screw mandrel 14X, X-direction vernier 10X gib screw 8X, X-direction vernier scale 9X and X-direction vernier 10X.Y-direction mobile module is directly connected by connecting link with X-direction mobile module.
The annexation of X-direction mobile module is as follows: on X-direction roller bearing screw mandrel 14X, cover has connecting link.Two of X-direction roller bearing screw mandrel 14X connects X-direction screw mandrel knob 6X.X-direction vernier 10X is connected with X-direction roller bearing screw mandrel 14X by connecting link.X-direction vernier scale 9X is fixed on base 12, and X-direction vernier gib screw 8X is for the fixing position of X-direction vernier 10X on X-direction vernier scale 9X.
Base module comprises pedestal 11, lock-screw 13, base 12 and fulcrum 16.Fulcrum 16 is positioned at the center of base 12, and lock-screw 13 is for a fixed pivot axis 16.Y-direction vernier scale 9Y is fixed on pedestal 11 top.
Whole device can carry out easy dismounting, so that carry, only needs following three steps from being assembled into measurement:
The first step: the reflecting body three blocks of isosceles right triangle aluminium sheets being synthesized a triangular pyramidal by soldering group;
Second step: reflecting body, Y-direction mobile module, X-direction mobile module are connected by connecting link;
3rd step: by the screw mandrel knob of rotation X, Y-direction, reflecting body is moved in the x, y direction, obtain the displacement of X, Y-direction.
This device drives whole corner reflector in the movement of X-direction by the screw mandrel knob of X-direction, by the reading of the vernier scale of X-direction, read the shift value of corner reflector in X-direction, by rotating the screw mandrel knob of Y-direction, corner reflector can be made to move in the Y direction, exact shift can be read by the vernier scale being arranged on Y-direction, in order to reduce to rock cause reading error because corner reflector moves the vernier caused, the present invention is at the X of corner reflector, vernier caliper has all been installed in Y-direction both sides, corner reflector can be made to rotate arbitrarily by rotating fulcrum 16, strengthen the reflection strength of radar signal, improve signal to noise ratio (S/N ratio).
Compare relative to other prior aries, have the following advantages:
(1) base has fulcrum, and corner reflector can be made freely to rotate, and recycling rate of waterused is high;
(2) corner reflector can move along X, Y-direction, and high-precision guinea pig sight line is to displacement;
(3) in the X of corner reflector, Y-direction both sides, vernier caliper has all been installed, can have reduced because corner reflector moves the reading error caused.
(4) easy to carry, installing/dismounting is easy, and cost is low, and recycling rate of waterused is high, and high-precision instrumentation radar sight line, to displacement, strengthens reflection strength and the signal to noise ratio (S/N ratio) of radar signal.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and distortion, these improve and distortion also should be considered as protection domain of the present utility model.
Claims (3)
1. based on a micrometric displacement radar corner reflector for Synthetic Aperture Radar Technique, it is characterized in that, comprise the triangular pyramidal corner reflector, Y-direction mobile module and the X-direction mobile module that connect successively; Described triangular pyramidal corner reflector is made up of three blocks of isosceles right angle aluminium sheets;
Described Y-direction mobile module comprises Y-direction screw mandrel knob, Y-direction roller bearing screw mandrel, Y-direction roller bearing screw mandrel rolling groove, Y-direction vernier gib screw, Y-direction vernier scale and Y-direction vernier;
Described isosceles right angle aluminium sheet, Y-direction vernier are all connected by connecting link with Y-direction roller bearing screw mandrel; Described Y-direction roller bearing screw mandrel two connects Y-direction screw mandrel knob; The position of described Y-direction vernier gib screw on fixing Y-direction vernier in the Y direction vernier scale; Described Y-direction roller bearing screw mandrel rolls in roller bearing screw mandrel rolling groove in the Y direction back and forth;
Described X-direction mobile module comprises X-direction screw mandrel knob, X-direction roller bearing screw mandrel, X-direction vernier gib screw, X-direction vernier scale and X-direction vernier; Described Y-direction mobile module is directly connected by connecting link with X-direction mobile module;
On described X-direction roller bearing screw mandrel, cover has connecting link; Two of described X-direction roller bearing screw mandrel connects X-direction screw mandrel knob; Described X-direction vernier is connected with X-direction rolling lead screw by connecting link; Described X-direction vernier scale is fixed on base; Described X-direction vernier gib screw is for the fixing position of X-direction vernier on X-direction vernier scale.
2. a kind of micrometric displacement radar corner reflector based on Synthetic Aperture Radar Technique according to claim 1, is characterized in that, also comprise pedestal, lock-screw, base and fulcrum; Described fulcrum is positioned at the center of base; Described lock-screw is used for a fixed pivot axis; Described Y-direction vernier scale is fixed on pedestal top.
3. a kind of micrometric displacement radar corner reflector based on Synthetic Aperture Radar Technique according to claim 1, is characterized in that, the described connecting link be connected with Y-direction roller bearing screw mandrel overlaps in the Y direction on roller bearing screw mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520000857.3U CN204389675U (en) | 2015-01-04 | 2015-01-04 | A kind of micrometric displacement radar corner reflector based on Synthetic Aperture Radar Technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520000857.3U CN204389675U (en) | 2015-01-04 | 2015-01-04 | A kind of micrometric displacement radar corner reflector based on Synthetic Aperture Radar Technique |
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| CN204389675U true CN204389675U (en) | 2015-06-10 |
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| CN201520000857.3U Expired - Fee Related CN204389675U (en) | 2015-01-04 | 2015-01-04 | A kind of micrometric displacement radar corner reflector based on Synthetic Aperture Radar Technique |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093894A (en) * | 2016-06-01 | 2016-11-09 | 中国科学院电子学研究所 | A kind of passive dihedral angle externally coefficient potentiometer |
| CN106443603A (en) * | 2016-09-09 | 2017-02-22 | 中国科学院电子学研究所 | Corner reflector with pointing measuring basis, and special pointing measuring equipment thereof |
| CN106772345A (en) * | 2017-03-16 | 2017-05-31 | 重庆大学 | A kind of remote plug and play type displacement radar target reflector |
| CN107505605A (en) * | 2017-09-28 | 2017-12-22 | 公安部四川消防研究所 | A kind of Experimental Calibration system and its scaling method for being used to measure small horizontal displacement |
| 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 |
-
2015
- 2015-01-04 CN CN201520000857.3U patent/CN204389675U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093894A (en) * | 2016-06-01 | 2016-11-09 | 中国科学院电子学研究所 | A kind of passive dihedral angle externally coefficient potentiometer |
| CN106093894B (en) * | 2016-06-01 | 2018-11-20 | 中国科学院电子学研究所 | A kind of passive dihedral angle externally coefficient potentiometer |
| CN106443603A (en) * | 2016-09-09 | 2017-02-22 | 中国科学院电子学研究所 | Corner reflector with pointing measuring basis, and special pointing measuring equipment thereof |
| CN106443603B (en) * | 2016-09-09 | 2019-12-20 | 中国科学院电子学研究所 | Corner reflector with pointing measurement reference and special pointing measurement equipment |
| CN106772345A (en) * | 2017-03-16 | 2017-05-31 | 重庆大学 | A kind of remote plug and play type displacement radar target reflector |
| CN106772345B (en) * | 2017-03-16 | 2023-09-26 | 重庆大学 | Remote plug-and-play type displacement radar target reflector |
| CN107505605A (en) * | 2017-09-28 | 2017-12-22 | 公安部四川消防研究所 | A kind of Experimental Calibration system and its scaling method for being used to measure small horizontal displacement |
| CN107505605B (en) * | 2017-09-28 | 2023-08-11 | 公安部四川消防研究所 | Test calibration system for measuring tiny horizontal displacement and calibration method thereof |
| 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 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20180104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |