CN103217665B - Measurable and orientable foundation radar angle reflector - Google Patents
Measurable and orientable foundation radar angle reflector Download PDFInfo
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- CN103217665B CN103217665B CN201310124729.5A CN201310124729A CN103217665B CN 103217665 B CN103217665 B CN 103217665B CN 201310124729 A CN201310124729 A CN 201310124729A CN 103217665 B CN103217665 B CN 103217665B
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Abstract
The invention discloses a measurable and ortientable foundation radar angle reflector, and belongs to the field of radar measurement. The reflector comprises a base, a supporting shaft, a frame body, a vernier scale, a screw rod, a screw rod knob, a nut, an oscillation angle mechanism, a reflecting body supporting frame, a reflecting body, and the like. The base can rotate, a screw rod mechanism achieves transverse moving of the reflecting body, and the oscillation angle mechanism enables the reflecting body to incline within a certain angle. The measurable and ortientable foundation radar angle reflector is convenient to carry, easy and quick to assemble and disassemble, a three-dimensional adjustment angle reflecting body direction is achieved, displacement can be measured in high precision, and the measurable and ortientable foundation radar angle reflector is suitable for application researches of foundation radars, low in cost and high in repeated use rate.
Description
Technical field
The present invention relates to radargrammetry field, relate in particular to one and can measure orientable ground radar corner reflector.
Background technology
Interfering synthetic aperture radar (Interferometric Synthetic Aperture Radar, InSAR) technology has been opened up remote sensing technology for monitoring the beginning of Ground Deformation.Airborne or satellite-borne SAR to earth surface Active Imaging, by the Combined Treatment of the two width SAR images that cover areal is extracted to phase interference figure, can be set up digital elevation model by microwave.Utilize synthetic-aperture radar differential interferometry technology can therefrom extract centimetre even Ground Deformation information of grade precision, to disclose many geophysical phenomenas, as earthquake deformation, volcano motion, glacier drift, land subsidence and landslide etc.Ground InSAR (Ground Based Interferometric Synthetic Aperture Radar, GBInSAR) is a kind of innovation Radar Technology based on microwave interference technology, and its thought source is in spaceborne InSAR technology.This technology is obtained monitored area bidimensional image based on microwave sounding Active Imaging mode, by synthetic aperture technique and step frequency technology realize radar image orientation to distance to high spatial resolution, overcome satellite-borne SAR image and be subject to the dry serious and low shortcoming of spatial and temporal resolution of space-time dephasing, can realize and be better than the micro-deformation monitoring of grade by interference technique.Abroad, GBInSAR technology has been widely used in the deformation monitoring of large bridge, landslide, glacier and dam.
In actual applications, for the ease of identification target and its scattering strength of enhancing, often lay corner reflector in target area, these corner reflectors are simple in structure, and directed difficulty is difficult to unloading once install, recycling rate of waterused is underground, and they belong to fixed corner reflector, can not quantitatively imitate displacement, can not carry out the quantitative examination of GBInSAR technology.
Summary of the invention
Goal of the invention: the object of the present invention is to provide one to be convenient for carrying and install, can high precision measure and be easy to directed ground radar corner reflector, being easily identified on radar image.
Technical scheme: for achieving the above object, one of the present invention can measure orientable ground radar corner reflector, it is characterized in that: this reverberator comprises: pedestal, fulcrum, support body, vernier scale, screw mandrel, screw mandrel turn-knob, nut, swinging mechanism, reflecting body bracing frame, reflecting body; Described is located in pedestal, and fulcrum upper end is fixedly connected with described support body, and screw mandrel crosses described support body and two ends cover has screw mandrel turn-knob, described nut to be placed on described screw mandrel and connects described swinging mechanism, and swinging mechanism is connected with reflecting body by reflecting body support; Described reflecting body is by three right angle triangle right-angle sides right angle centrum forming of joining; Described swinging mechanism comprises the fixed head that is connected and is provided with arc waist-shaped hole with nut, be installed to the first trip bolt of described reflecting body support through described waist-shaped hole, and be connected and fixed the second trip bolt that plate and reflecting body bracing frame swing for realizing reflecting body.
Swinging mechanism of the present invention should be tilted at certain angle in realizing reflecting body, and angle of inclination is relevant to the arc length of described arc waist-shaped hole.
Must be noted that in addition nut of the present invention is limited in described support body, cannot freely rotate, to ensure screw mandrel when rotation, nut is along the skew of screw mandrel axis direction, and can not rotate with screw mandrel simultaneously.
Described vernier scale comprises the main scale of being located at support body one side, the vernier sliding on main scale and for vernier being fixed on to the 3rd trip bolt on main scale.
Directed in the revolution of surface level 360 degree in order to realize reflecting body, fulcrum of the present invention can rotate in pedestal, and further, in order to be fixed, described pedestal lateral wall is provided with for by the 4th fastening fulcrum trip bolt.
As further optimization of the present invention, described reflecting body is by the right angle triangle right-angle side of the isosceles of the three formed objects right angle centrum forming of joining.
Beneficial effect: one of the present invention can measure that orientable ground radar corner reflector is easy to carry, installing/dismounting simple and fast, reflecting body can be realized level 360 revolutions, lateral excursion, vertical plane swing, the three-dimensional corner reflector orientation of adjusting, can realize high-acruracy survey displacement, be applicable to the applied research of ground radar, with low cost, recycling rate of waterused is high.
Brief description of the drawings
Fig. 1 is Facad structure schematic diagram of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the diagrammatic cross-section of Fig. 1 of the present invention;
Fig. 4 is the vertical view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
Please refer to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, one of the present invention can measure orientable ground radar corner reflector, it is characterized in that: this reverberator comprises: pedestal 1, fulcrum 2, support body 3, vernier scale 4, screw mandrel 5, screw mandrel turn-knob 6, nut 7, swinging mechanism 8, reflecting body bracing frame 9, reflecting body 10; Fulcrum 2 is located in pedestal 1, and fulcrum 2 upper ends are fixedly connected with support body 3, and screw mandrel 5 crosses support body 3 and two ends cover has screw mandrel turn-knob 6, nut 7 to be placed on screw mandrel 5 and connects swinging mechanism 8, and swinging mechanism 8 is connected with reflecting body 10 by reflecting body support 9; Reflecting body 10 is by three right angle triangle right-angle sides right angle centrum forming of joining; Swinging mechanism 8 comprises the fixed head 12 that is connected and is provided with arc waist-shaped hole 11 with nut 7, be installed to the first trip bolt 13 of reflecting body support 9 through waist-shaped hole 11, and be connected and fixed the second trip bolt 14 that plate 12 and reflecting body bracing frame 9 swing for realizing reflecting body 10.
Vernier scale 4 comprises the main scale 15 of being located at support body one side, on main scale 15 slide vernier 16 and for vernier 16 being fixed on to the 3rd trip bolt 17 on main scale 15.Pedestal 1 lateral wall is provided with for by the 4th fastening fulcrum 2 trip bolt 18.Reflecting body 10 is by the right angle triangle right-angle side of the isosceles of the three formed objects right angle centrum forming of joining.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. can measure an orientable ground radar corner reflector, it is characterized in that: this reverberator comprises: pedestal (1), fulcrum (2), support body (3), vernier scale (4), screw mandrel (5), screw mandrel turn-knob (6), nut (7), swinging mechanism (8), reflecting body bracing frame (9), reflecting body (10);
Described fulcrum (2) is located in pedestal (1), fulcrum (2) upper end is fixedly connected with described support body (3), screw mandrel (5) crosses described support body (3) and two ends cover to be had screw mandrel turn-knob (6), described nut (7) to be placed on described screw mandrel (5) go up and to connect described swinging mechanism (8), and swinging mechanism (8) passes through reflecting body support (9) and is connected with reflecting body (10);
Described reflecting body (10) is by three right angle triangle right-angle sides right angle centrum forming of joining;
Described swinging mechanism (8) comprises the fixed head (12) that is connected and is provided with arc waist-shaped hole (11) with nut (7), be installed to first trip bolt (13) of described reflecting body support (9) through described waist-shaped hole (11), and be connected and fixed plate (12) and reflecting body bracing frame (9) for realizing second trip bolt (14) of reflecting body (10) swing.
2. one according to claim 1 can measure orientable ground radar corner reflector, it is characterized in that: described vernier scale (4) comprises the main scale (15) of being located at support body one side, at the upper vernier (16) sliding of main scale (15) and for vernier (16) being fixed on to the 3rd trip bolt (17) on main scale (15).
3. one according to claim 1 can measure orientable ground radar corner reflector, it is characterized in that: described pedestal (1) lateral wall is provided with for by the 4th fastening fulcrum (2) trip bolt (18).
4. one according to claim 1 can measure orientable ground radar corner reflector, it is characterized in that: described reflecting body (10) is by the right angle triangle right-angle side of the isosceles of the three formed objects right angle centrum forming of joining.
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CN201310124729.5A CN103217665B (en) | 2013-04-11 | 2013-04-11 | Measurable and orientable foundation radar angle reflector |
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CN201310124729.5A CN103217665B (en) | 2013-04-11 | 2013-04-11 | Measurable and orientable foundation radar angle reflector |
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CN103217665B true CN103217665B (en) | 2014-08-13 |
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104569977B (en) * | 2015-01-04 | 2017-03-29 | 河海大学 | Dibit is moved and can measure corner reflector |
CN106019235B (en) * | 2016-05-12 | 2019-04-30 | 河海大学 | A kind of artificial corner reflecting device that spaceborne/ground InSAR is dual-purpose |
CN106093938A (en) * | 2016-05-17 | 2016-11-09 | 长安大学 | A kind of mining area based on manual corner reflector side-play amount deformation monitoring method |
CN106249766A (en) * | 2016-09-09 | 2016-12-21 | 中国科学院电子学研究所 | Remotely monitoring corner reflector system |
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 |
CN107807350B (en) * | 2017-09-28 | 2023-08-04 | 公安部四川消防研究所 | Test calibration system for measuring vertical micro-deformation 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 |
CN110007280A (en) * | 2019-04-29 | 2019-07-12 | 中安国泰(北京)科技发展中心 | Can fly the side slope Radar Calibration triangular pyramid reflector of deployment |
EP4391233A1 (en) * | 2022-12-23 | 2024-06-26 | Iceye Oy | Satellite radar beam reflector |
Citations (1)
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CN201654225U (en) * | 2010-04-22 | 2010-11-24 | 中国国土资源航空物探遥感中心 | Corner reflector suitable for lifting/descending rail and multi-angle observations |
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CN203178484U (en) * | 2013-04-11 | 2013-09-04 | 河海大学 | Ground micro-deformation monitoring radar corner reflector |
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CN201654225U (en) * | 2010-04-22 | 2010-11-24 | 中国国土资源航空物探遥感中心 | Corner reflector suitable for lifting/descending rail and multi-angle observations |
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