CN106019235A - Satellite-borne/foundation InSAR dual-purpose manual corner reflection device - Google Patents
Satellite-borne/foundation InSAR dual-purpose manual corner reflection device Download PDFInfo
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- CN106019235A CN106019235A CN201610318621.3A CN201610318621A CN106019235A CN 106019235 A CN106019235 A CN 106019235A CN 201610318621 A CN201610318621 A CN 201610318621A CN 106019235 A CN106019235 A CN 106019235A
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- insar
- aluminium alloy
- alloy plate
- spaceborne
- corner reflector
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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
Abstract
The invention discloses a satellite-borne/foundation InSAR dual-purpose manual corner reflection device characterized by comprising a satellite-borne InSAR measurement vertical trihedron corner reflector, a connecting rod, a monitoring base, a universal shaft coupling, a foundation InSAR measurement vertical trihedron corner reflector. The satellite-borne InSAR measurement vertical trihedron corner reflector is disposed on the top of the monitoring base. The foundation InSAR measurement vertical trihedron corner reflector is disposed on the upper side portion of the monitoring base. The satellite-borne InSAR measurement vertical trihedron corner reflector is fixedly connected with the top of the monitoring base via the connecting rod. The foundation InSAR measurement vertical trihedron corner reflector is fixedly connected with the upper side portion of the monitoring base via the universal shaft coupling. The satellite-borne/foundation InSAR dual-purpose manual corner reflection device may synchronously or almost synchronously acquire multi-direction deformation data at a position where the satellite-borne/foundation InSAR dual-purpose manual corner reflection device is located, fully performs respective advantages of the satellite-borne InSAR and foundation InSAR techniques, achieves space-ground measurement of high-spatial-resolution satellite-borne InSAR and high-time-resolution foundation InSAR.
Description
Technical field
The present invention relates to a kind of artificial corner reflecting device dual-purpose for spaceborne/ground InSAR, belong to synthetic aperture radar interferometry art field.
Background technology
Synthetic aperture radar interferometry (Interferometric Synthetic
Aperture Radar, InSAR) it is the earth observation from space technology got up of newly-developed, it is the product that combines with radio astronomy interference technique of traditional SAR remote sensing technology.It utilizes radar to launch microwave to target area, then the echo of target reflection is received, obtain the SAR complex pattern pair of same target area imaging, if complex pattern between there is coherent condition, SAR complex pattern can obtain interferogram to conjugate multiplication, according to the phase value of interferogram, draws the path length difference of microwave in twice imaging, thus calculate the minor variations on the landform of objective area, landforms and surface, can be used for digital elevation model foundation, crustal deformation detection etc..In many earth science research application, round-the-clock, round-the-clock, high-resolution, the high accuracy of InSAR and data process the features such as high automatization and have been embodied, visible ray, near-infrared passive remote sensing technology are had good supplementary function, has broad application prospects at aspects such as drawing, land use classes and the earth surface deformation monitoring Centimeter Level or less on a large scale
InSAR technology is with two SAR image of areal for basic handling data, by asking for the phase contrast of two width SAR image, obtains interference image, then through phase unwrapping, obtains the earth observation from space new technique of terrain elevation data from interference fringe.
Spaceborne InSAR technology can obtain large spatial scale deformation data, but temporal resolution is relatively low, and is only capable of obtaining the deformation on satellite direction of visual lines；The measurement time of ground InSAR technology is controlled, but its monitoring range is relatively small, is only capable of subregion is implemented monitoring.By both technological synthesiss, both Ground Deformation on a large scale can be carried out comprehensive monitoring, key area can be carried out continuous imaging fast monitored again.
Corner reflector can provide bigger radar cross section, strengthens radar wave backscatter intensity, consequently facilitating the identification of target.But existing corner reflector be all only oriented to single spaceborne InSAR application or ground InSAR application, it is impossible to realize spaceborne/ground InSAR sky, combined measurement.
Summary of the invention
The main object of the present invention is to make up existing corner reflector to be only capable of the deficiency of single application, a kind of artificial corner reflecting device dual-purpose for spaceborne/ground InSAR is proposed, synchronize or near-synchronous ground obtain the Deformation Data of multiple directions (satellite-corner reflecting device direction of visual lines, ground SAR equipment-corner reflecting device direction of visual lines) on same observation station position, it is achieved spaceborne InSAR and the sky of ground InSAR, combined measurement.
The present invention adopts the following technical scheme that a kind of artificial corner reflecting device dual-purpose for spaceborne/ground InSAR, it is characterized in that, measure with vertical trihedral corner reflector including spaceborne InSAR, connecting rod, monitoring pier base, Hooks coupling universal coupling, ground InSAR measures with vertical trihedral corner reflector, described spaceborne InSAR measures the top being arranged at described monitoring pier base with vertical trihedral corner reflector, described ground InSAR measures the upper lateral part being arranged at described monitoring pier base with vertical trihedral corner reflector, described spaceborne InSAR measures and is connected by described connecting rod is fixing with the top of described monitoring pier base with vertical trihedral corner reflector, described ground InSAR measures and is connected by described Hooks coupling universal coupling is fixing with the upper lateral part of described monitoring pier base with vertical trihedral corner reflector.
Preferably, spaceborne InSAR measures to measure with vertical trihedral corner reflector, ground InSAR and all includes three pieces of identical aluminium alloy plates one, aluminium alloy plate two, aluminium alloy plates three with vertical trihedral corner reflector, and it is overall that aluminium alloy plate one, aluminium alloy plate two and aluminium alloy plate three are fixedly connected into one.
Preferably, aluminium alloy plate one, aluminium alloy plate two are isosceles right triangle with the shape of aluminium alloy plate three.
Preferably, aluminium alloy plate one, aluminium alloy plate two and the mutual vertical welding of aluminium alloy plate three.
Preferably, aluminium alloy plate one, aluminium alloy plate two and aluminium alloy plate three being provided with several reserved rivet/screw holes, aluminium alloy plate one, aluminium alloy plate two carry out the fixing assembling of rivet/screw with aluminium alloy plate three by reserved rivet/screw hole.
Preferably, that monitors pier base is shaped as cylinder.
The beneficial effect that the present invention is reached: the present invention can synchronize or near-synchronous obtain multi-direction Deformation Data on this artificial corner reflecting device present position, give full play to spaceborne InSAR and the ground respective advantage of InSAR technology, it is achieved the spaceborne InSAR of high spatial resolution and the sky of high time resolution ground InSAR, translocation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of the vertical trihedral corner reflector of the present invention.
Fig. 3 is the structural representation of the aluminium alloy plate of the present invention.
Fig. 4 be utilize the present invention realize sky, the principle schematic of combined measurement.
In figure, the spaceborne InSAR of the implication of labelling: 1-measures with vertical trihedral corner reflector, 2-connecting rod, 3-monitors pier base, 4-Hooks coupling universal coupling, 5-ground InSAR measures with vertical trihedral corner reflector, 6-reserves rivet/screw hole, 7-aluminium alloy plate one, 8-aluminium alloy plate two, 9-aluminium alloy plate three, 10-passes by SAR satellite, the 11-present invention, 12-ground observation SAR equipment.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.Following example are only used for clearly illustrating technical scheme, and can not limit the scope of the invention with this.
Fig. 1 is the structural representation of the present invention.The present invention proposes a kind of artificial corner reflecting device dual-purpose for spaceborne/ground InSAR, measure with vertical trihedral corner reflector 1 including spaceborne InSAR, connecting rod 2, monitoring pier base 3, Hooks coupling universal coupling 4, ground InSAR measures with vertical trihedral corner reflector 5, spaceborne InSAR measures the top being arranged at monitoring pier base 3 with vertical trihedral corner reflector 1, ground InSAR measures the upper lateral part being arranged at monitoring pier base 3 with vertical trihedral corner reflector 5, spaceborne InSAR measures and is connected by connecting rod 2 is fixing with the top of monitoring pier base 3 with vertical trihedral corner reflector 1, ground InSAR measures and is connected by Hooks coupling universal coupling 4 is fixing with the upper lateral part of monitoring pier base 3 with vertical trihedral corner reflector 5.That monitors pier base 3 is shaped as cylinder.
Fig. 2 is the structural representation of the vertical trihedral corner reflector of the present invention.Spaceborne InSAR measures to measure with vertical trihedral corner reflector 1, ground InSAR and all includes three pieces of identical aluminium alloy plates 1, aluminium alloy plate 28, aluminium alloy plates 39 with vertical trihedral corner reflector 5, and it is overall that aluminium alloy plate 1, aluminium alloy plate 28 and aluminium alloy plate 39 are fixedly connected into one.
As a kind of preferred embodiment, being provided with several reserved rivet/screw holes 6 on aluminium alloy plate 1, aluminium alloy plate 28 and aluminium alloy plate 39, aluminium alloy plate 1, aluminium alloy plate 28 carry out the fixing assembling of rivet/screw with aluminium alloy plate 39 by reserved rivet/screw hole 6.
As a kind of preferred embodiment, aluminium alloy plate 1, aluminium alloy plate 28 are mutually perpendicular to weld with aluminium alloy plate 39.
Fig. 3 is the structural representation of the aluminium alloy plate of the present invention, and aluminium alloy plate 1, aluminium alloy plate 28 are isosceles right triangle with the shape of aluminium alloy plate 39.
The operation principle of the present invention: monitoring pier base 3 is set up in region to be monitored, has good sighting condition with ground observation position (such as in Fig. 4 12) and the earth observation sight line (such as in Fig. 4 10) time satellite passes by；Connecting rod 2 is used for connecting spaceborne InSAR and measures with vertical trihedral corner reflector 1 and monitoring pier base 3；When passing by according to satellite electromagnetic wave incident angle arrange corner reflector 1 towards, and fix with monitoring pier base 3；Hooks coupling universal coupling 4 is used for connecting ground InSAR and measures with vertical trihedral corner reflector 5 and monitoring pier base 3；According to ground scope installation position (such as in Fig. 4 12) regulation ground InSAR measure with vertical trihedral corner reflector 5 towards, fixing with monitoring pier base 3 after being provided with.
Fig. 4 be utilize the present invention realize sky, the principle schematic of combined measurement, wherein 10 is the SAR satellite that passes by, and 11 is the present invention, and 12 is ground observation SAR equipment.Utilize the present invention to synchronize or near-synchronous obtain on same observation station position the Deformation Data of (monitoring pier base 3 present position in Fig. 1) multiple directions (10-11 direction, 11-12 direction in Fig. 4), thus realize sky, combined measurement.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, on the premise of without departing from the technology of the present invention principle; can also make some improvement and deformation, these improve and deformation also should be regarded as protection scope of the present invention.
Claims (6)
- null1. an artificial corner reflecting device dual-purpose for spaceborne/ground InSAR，It is characterized in that，Measure with vertical trihedral corner reflector (1) including spaceborne InSAR、Connecting rod (2)、Monitoring pier base (3)、Hooks coupling universal coupling (4)、Ground InSAR measures with vertical trihedral corner reflector (5)，Described spaceborne InSAR measures the top being arranged at described monitoring pier base (3) with vertical trihedral corner reflector (1)，Described ground InSAR measures the upper lateral part being arranged at described monitoring pier base (3) with vertical trihedral corner reflector (5)，Described spaceborne InSAR measures and is connected by described connecting rod (2) is fixing with the top of described monitoring pier base (3) with vertical trihedral corner reflector (1)，Described ground InSAR measures and is connected by described Hooks coupling universal coupling (4) is fixing with the upper lateral part of described monitoring pier base (3) with vertical trihedral corner reflector (5).
- A kind of artificial corner reflecting device dual-purpose for spaceborne/ground InSAR the most according to claim 1, it is characterized in that, described spaceborne InSAR measures to measure with vertical trihedral corner reflector (1), described ground InSAR and all includes three pieces of identical aluminium alloy plates one (7), aluminium alloy plate two (8), aluminium alloy plates three (9) with vertical trihedral corner reflector (5), and it is overall that described aluminium alloy plate one (7), described aluminium alloy plate two (8) and described aluminium alloy plate three (9) are fixedly connected into one.
- A kind of artificial corner reflecting device dual-purpose for spaceborne/ground InSAR the most according to claim 2, it is characterised in that described aluminium alloy plate one (7), described aluminium alloy plate two (8) are isosceles right triangle with the shape of described aluminium alloy plate three (9).
- A kind of artificial corner reflecting device dual-purpose for spaceborne/ground InSAR the most according to claim 2, it is characterised in that described aluminium alloy plate one (7), described aluminium alloy plate two (8) are mutually perpendicular to weld with described aluminium alloy plate three (9).
- A kind of artificial corner reflecting device dual-purpose for spaceborne/ground InSAR the most according to claim 2, it is characterized in that, being provided with several reserved rivet/screw holes (6) on described aluminium alloy plate one (7), described aluminium alloy plate two (8) and described aluminium alloy plate three (9), described aluminium alloy plate one (7), described aluminium alloy plate two (8) carry out the fixing assembling of rivet/screw with described aluminium alloy plate three (9) by described reserved rivet/screw hole (6).
- A kind of artificial corner reflecting device dual-purpose for spaceborne/ground InSAR the most according to claim 1, it is characterised in that described monitoring pier base (3) be shaped as cylinder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610318621.3A CN106019235B (en) | 2016-05-12 | 2016-05-12 | A kind of artificial corner reflecting device that spaceborne/ground InSAR is dual-purpose |
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|---|---|---|---|
| CN201610318621.3A CN106019235B (en) | 2016-05-12 | 2016-05-12 | A kind of artificial corner reflecting device that spaceborne/ground InSAR is dual-purpose |
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| CN106019235A true CN106019235A (en) | 2016-10-12 |
| CN106019235B CN106019235B (en) | 2019-04-30 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707282A (en) * | 2017-01-09 | 2017-05-24 | 山东省地质环境监测总站 | General INSAR angle reflector device based on GNSS point observation pillar |
| CN107132602A (en) * | 2017-06-21 | 2017-09-05 | 湖北三江航天红林探控有限公司 | Luneberg lens reflector |
| CN107515397A (en) * | 2017-07-17 | 2017-12-26 | 中国南方电网有限责任公司超高压输电公司大理局 | Based on InSAR technology high-frequencies earthquake areas current conversion station slope sedimentation monitoring method |
| CN110954897A (en) * | 2019-12-23 | 2020-04-03 | 煤炭科学技术研究院有限公司 | Satellite-borne radar signal reflector for deformation monitoring and use method thereof |
| WO2021083853A1 (en) * | 2019-10-28 | 2021-05-06 | Geopartner Inspections A/S | System for use in determining the change in elevation and/or lateral displacement of a geographic location over time, and a link for such a system |
| CN113625229A (en) * | 2021-09-06 | 2021-11-09 | 四川数字交通科技股份有限公司 | Permanent scattering point device |
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| CN103630879A (en) * | 2013-03-05 | 2014-03-12 | 中国科学院电子学研究所 | Corner reflector |
| CN203909274U (en) * | 2014-04-30 | 2014-10-29 | 北京市水文地质工程地质大队 | Microwave enhancement reflection apparatus in three dimensional variable mode |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707282A (en) * | 2017-01-09 | 2017-05-24 | 山东省地质环境监测总站 | General INSAR angle reflector device based on GNSS point observation pillar |
| CN106707282B (en) * | 2017-01-09 | 2023-07-18 | 山东省地质环境监测总站 | INSAR corner reflector device based on GNSS point observation pier is general |
| CN107132602A (en) * | 2017-06-21 | 2017-09-05 | 湖北三江航天红林探控有限公司 | Luneberg lens reflector |
| CN107515397A (en) * | 2017-07-17 | 2017-12-26 | 中国南方电网有限责任公司超高压输电公司大理局 | Based on InSAR technology high-frequencies earthquake areas current conversion station slope sedimentation monitoring method |
| WO2021083853A1 (en) * | 2019-10-28 | 2021-05-06 | Geopartner Inspections A/S | System for use in determining the change in elevation and/or lateral displacement of a geographic location over time, and a link for such a system |
| CN110954897A (en) * | 2019-12-23 | 2020-04-03 | 煤炭科学技术研究院有限公司 | Satellite-borne radar signal reflector for deformation monitoring and use method thereof |
| CN113625229A (en) * | 2021-09-06 | 2021-11-09 | 四川数字交通科技股份有限公司 | Permanent scattering point device |
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Application publication date: 20161012 Assignee: Nanjing Ubiquitous Technology Co.,Ltd. Assignor: HOHAI University Contract record no.: X2021980000169 Denomination of invention: An artificial angle reflector for spaceborne / ground based InSAR Granted publication date: 20190430 License type: Common License Record date: 20210108 |