CN109901126A - Automatic star-seeking corner reflector - Google Patents
Automatic star-seeking corner reflector Download PDFInfo
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- CN109901126A CN109901126A CN201910230369.4A CN201910230369A CN109901126A CN 109901126 A CN109901126 A CN 109901126A CN 201910230369 A CN201910230369 A CN 201910230369A CN 109901126 A CN109901126 A CN 109901126A
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- corner reflector
- star
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- control module
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention discloses a kind of automatic star-seeking corner reflector, including corner reflector, corner reflector is mounted on three-dimensional holder, and three-dimensional holder is used to adjust the direction of corner reflector, electronic compass is provided on corner reflector, for perceiving the pointing direction of corner reflector；Electronic compass and three-dimensional holder link control module, control module is also connected with space-based Internet of Things receiving module and GPS/ Beidou positioning module, the star of seeking that the space-based Internet of Things receiving module receives the forwarding of space-based Internet of Things instructs, and the instruction is sent to control module, the control module based on the received seeks star instruction and corner reflector currently points to, the adjustment direction and angle of corner reflector are calculated, the direction of three-dimensional cloud platform rotation adjustment corner reflector is controlled, corner reflector is made to be directed toward satellite.It can work in the remote districts that no terrestrial communication networks cover, provide manual control point in the calibration of remote districts, correction, positioning, registration for a variety of satellite-borne synthetic aperture radars.
Description
Technical field
The present invention relates to a kind of corner reflectors, can be used for certainly more particularly to a kind of for no communication network covering area
The dynamic corner reflector for seeking star.
Background technique
Synthetic aperture radar is the emerging remote sensing technology rapidly developed in recent years, and the correction of diameter radar image is determined
Position, registration require the cooperation of ground calibration device.Corner reflector is the artificial scaler being simple and efficient, in synthetic aperture radar
It is widely used.The direction of traditional corner reflector is fixed, due to satellite-borne synthetic aperture radar in orbit currently compared with
It is more, and future may emit more satellite-borne synthetic aperture radars, it is therefore desirable to a kind of angle that can be suitable for a variety of satellites
Reflector requires corner reflector that can be directed toward according to instruction automatic star-seeking, adaptive adjustment.In many remote districts, due to
There is no the covering of terrestrial communication networks signal, impenetrably star instruction is sought in communication network acquisition in face to corner reflector, therefore is badly in need of one
Automatic star-seeking corner reflector of the kind suitable for no communication network covering area.The present invention is therefore.
Summary of the invention
In view of the above technical problems, the invention proposes a kind of automatic star-seeking corner reflector, it can be used for no communication network
The Synthetic Aperture Radar images calibration of covering area, correction, positioning, registration.
The technical scheme is that
A kind of automatic star-seeking corner reflector, including corner reflector, the corner reflector is used for reflection electromagnetic wave signal, in spaceborne conjunction
At strong scattering point is formed on the radar image of aperture, the corner reflector is mounted on three-dimensional holder, and the three-dimensional holder is for adjusting
The direction of whole corner reflector is provided with electronic compass on the corner reflector, for perceiving the pointing direction of corner reflector；It is described
Electronic compass and three-dimensional holder link control module, the control module are also connected with space-based Internet of Things receiving module and GPS/ Beidou
Locating module, the GPS/ Beidou positioning module, for perceiving the longitude and latitude position coordinate information of corner reflector, and by the information
It is sent to control module, what the space-based Internet of Things receiving module received the forwarding of space-based Internet of Things seeks star instruction, and by the instruction
It is sent to control module, the control module seeks currently pointing to for star instruction and corner reflector based on the received, calculates corner reflection
The adjustment direction and angle of device control the direction of three-dimensional cloud platform rotation adjustment corner reflector, corner reflector are made to be directed toward satellite.
In preferred technical solution, the space-based Internet of Things connects remote control center, and the remote control center passes through
Space-based Internet of Things seeks star instruction to the transmission of space-based Internet of Things receiving module.
In preferred technical solution, the corner reflector is the right-angle prismatic cone that bottom surface hollows out, and the bottom surface hollows out straight
Angle triangular pyramid is made of three block-shaped identical right angled triangle steel plates, and three blocks of right angled triangle steel plates are using respective right angle as vertex
Weld together, constitutes the right-angle prismatic cone that a bottom hollows out, the incident electromagnetic wave of any direction warp in right-angle prismatic is bored
After crossing multiple reflections, it will be returned by incident direction.
It further include battery in preferred technical solution, the battery connection solar panel and wind-driven generator,
The solar panel and wind-driven generator are used to provide the electric energy of corner reflector work, and extra power storage is extremely stored
Battery, the battery are used for when the electric energy of the small complementary angle reflector work of the electric energy of solar panel and wind-driven generator,
Export electric energy.
Compared with prior art, the invention has the advantages that
The present invention can work in the remote districts that no terrestrial communication networks cover, and be a variety of satellite-borne synthetic aperture radars remote
The calibration in area, correction, positioning, registration provide manual control point.Corner reflector can be adaptive to adjust according to instruction automatic star-seeking
Whole direction.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and embodiments:
Fig. 1 is the overall structure connection schematic diagram of automatic star-seeking corner reflector of the present invention.
Wherein: 1 is remote control center, and 2 be space-based Internet of Things, and 3 be GPS/ Beidou module, and 4 receive for space-based Internet of Things
Module, 5 be control module, and 6 be three-dimensional holder, and 7 hollow out right-angle prismatic cone for bottom surface, 8 is electronic compass, 9 is solar battery
Plate, 10 be wind-driven generator, 11 be battery.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
Embodiment:
With reference to the accompanying drawing, presently preferred embodiments of the present invention is described further.
As shown in Figure 1, a kind of automatic star-seeking corner reflector for no communication network covering area, can work on no ground
Face communication network covering remote districts, for a variety of satellite-borne synthetic aperture radars remote districts calibration, correction, positioning, match
Standard provides manual control point.Including remote control center 1, GPS/ Beidou positioning module 3, space-based Internet of Things receiving module 4, control
Module 5, three-dimensional holder 6, corner reflector, electronic compass 8, solar panel 9, wind-driven generator 10, battery 11 are constituted.Electricity
6 link control module 5 of sub- compass 8 and three-dimensional holder, control module 5 are also connected with space-based Internet of Things receiving module 4 and GPS/ Beidou
Locating module 3.
Wherein corner reflector is preferably the right-angle prismatic cone 7 that bottom surface hollows out, and it is block-shaped by three that bottom surface hollows out right-angle prismatic cone 7
Identical right angled triangle steel plate is constituted, and three blocks of right angled triangle steel plates weld together using respective right angle as vertex, constitutes one
The right-angle prismatic cone that a bottom hollows out.The incident electromagnetic wave of any direction in right-angle prismatic cone after multiple reflections, will be by
Incident direction returns.
Bottom surface hollows out right-angle prismatic cone 7 for reflection electromagnetic wave signal, is formed on satellite-borne synthetic aperture radar image strong
Scattering point.
Bottom surface hollows out right-angle prismatic cone 7 and installs on three-dimensional holder 6, is adjusted and is directed toward by three-dimensional holder 6.Electronic compass 8 is pacified
It is hollowed out on right-angle prismatic cone 7 mounted in bottom surface, and hollows out right-angle prismatic cone with bottom surface and rotate together, hollow out right angle for perceiving bottom surface
Triangular pyramid 7 currently points to direction.
Remote control center 1 seeks star instruction, day substratess to the transmission of space-based Internet of Things receiving module 4 by space-based Internet of Things 2
The star instruction of seeking received is transmitted to control module 5 by networking receiving module 4.
GPS/ Beidou positioning module 3 perceives the longitude and latitude position coordinate of automatic star-seeking corner reflector, and by latitude and longitude coordinates
Information is sent to control module 5.
Electronic compass 8 perceives bottom surface and hollows out the pointing direction of right-angle prismatic cone 7, and pointing direction information is sent to control
Module 5.
Control module 5 has the running track parameter of a variety of Synthetic Aperture Radar satellites, receives mould according to space-based Internet of Things
Latitude and longitude coordinates information that star instruction that block 4 transmitted seek, GPS/ Beidou positioning module 3 are sent, electronic compass 8 are sent
Pointing direction information, calculate bottom surface hollow out right-angle prismatic cone 7 should orientation angle, subtract bottom surface hollow out right-angle prismatic cone 7
Angle is currently pointed to, adjustment direction and angle that bottom surface hollows out right-angle prismatic cone 7 can be obtained.Then three-dimensional holder 6 is controlled to adjust
Whole bottom surface hollows out the direction of right-angle prismatic cone 7, so that bottom surface is hollowed out right-angle prismatic cone 7 and is directed toward satellite.
Solar panel and wind-driven generator provide electric energy for producing electricl energy, to corner reflector.
Battery stores electric energy when the electric energy of solar panel and wind-driven generator has surplus for storing electric energy；
When the electric energy of the small complementary angle reflector work of the electric energy of solar panel and wind-driven generator, it is not enough to support automatic star-seeking angle anti-
When emitter works, then electric energy is exported.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (4)
1. a kind of automatic star-seeking corner reflector, including corner reflector, which is characterized in that the corner reflector is used for reflection electromagnetic wave
Signal forms strong scattering point on satellite-borne synthetic aperture radar image, and the corner reflector is mounted on three-dimensional holder, and described three
Dimension holder is used to adjust the direction of corner reflector, electronic compass is provided on the corner reflector, for perceiving corner reflector
Pointing direction；The electronic compass and three-dimensional holder link control module, the control module are also connected with the reception of space-based Internet of Things
Module and GPS/ Beidou positioning module, the GPS/ Beidou positioning module, for perceiving the longitude and latitude position coordinate of corner reflector
Information, and control module is sent that information to, star is sought in the space-based Internet of Things receiving module reception space-based Internet of Things forwarding
Instruction, and the instruction is sent to control module, the control module seek the current of star instruction and corner reflector based on the received
It is directed toward, calculates the adjustment direction and angle of corner reflector, control the direction of three-dimensional cloud platform rotation adjustment corner reflector, make corner reflection
Device is directed toward satellite.
2. automatic star-seeking corner reflector according to claim 1, which is characterized in that the long-range control of space-based Internet of Things connection
Center processed, the remote control center seek star instruction to the transmission of space-based Internet of Things receiving module by space-based Internet of Things.
3. automatic star-seeking corner reflector according to claim 1, which is characterized in that the corner reflector is what bottom surface hollowed out
Right-angle prismatic cone, the right-angle prismatic cone that the bottom surface hollows out are made of three block-shaped identical right angled triangle steel plates, and three pieces straight
Angle triangular steel plate welds together using respective right angle as vertex, constitutes the right-angle prismatic cone that a bottom hollows out, any direction
Incident electromagnetic wave right-angle prismatic cone in after multiple reflections, will be returned by incident direction.
4. automatic star-seeking corner reflector according to claim 1, which is characterized in that it further include battery, the battery
Solar panel and wind-driven generator are connected, the solar panel and wind-driven generator are for providing corner reflector work
Electric energy, and by extra power storage to battery, the battery is used for when solar panel and wind-driven generator
When the electric energy of the small complementary angle reflector work of electric energy, electric energy is exported.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910230369.4A CN109901126B (en) | 2019-03-26 | 2019-03-26 | Automatic star finding corner reflector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910230369.4A CN109901126B (en) | 2019-03-26 | 2019-03-26 | Automatic star finding corner reflector |
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| CN109901126A true CN109901126A (en) | 2019-06-18 |
| CN109901126B CN109901126B (en) | 2022-08-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240998A (en) * | 2020-09-29 | 2021-01-19 | 北京环境特性研究所 | Shipborne corner reflector control method and device |
| CN115856808A (en) * | 2023-03-01 | 2023-03-28 | 中国科学院空天信息创新研究院 | High-resolution SAR satellite calibration-oriented remote control corner reflector design method |
| CN115856807A (en) * | 2023-02-22 | 2023-03-28 | 中国科学院空天信息创新研究院 | Method for accurately positioning radar wave phase center of high-resolution SAR satellite calibrator |
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| WO1998050978A1 (en) * | 1997-05-02 | 1998-11-12 | Manufacture D'appareillage Electrique De Cahors | Reflector-sensor with photovoltaic cells and communication system comprising such a reflector-sensor |
| CN204631583U (en) * | 2015-04-07 | 2015-09-09 | 刘辉 | A kind of astronomical telescope tele-control system |
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| CN106997041A (en) * | 2017-05-05 | 2017-08-01 | 中国人民解放军理工大学 | Radar signal source automatic tracking system based on corner reflector |
| CN107422313A (en) * | 2017-07-19 | 2017-12-01 | 武汉大学 | A kind of High Precision Automatic corner reflector system of normalization operation |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO1998050978A1 (en) * | 1997-05-02 | 1998-11-12 | Manufacture D'appareillage Electrique De Cahors | Reflector-sensor with photovoltaic cells and communication system comprising such a reflector-sensor |
| CN204631583U (en) * | 2015-04-07 | 2015-09-09 | 刘辉 | A kind of astronomical telescope tele-control system |
| CN106357321A (en) * | 2016-09-08 | 2017-01-25 | 湖北航天技术研究院总体设计所 | Space-based Internet-of-Things system structure and networking method thereof |
| CN106997041A (en) * | 2017-05-05 | 2017-08-01 | 中国人民解放军理工大学 | Radar signal source automatic tracking system based on corner reflector |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112240998A (en) * | 2020-09-29 | 2021-01-19 | 北京环境特性研究所 | Shipborne corner reflector control method and device |
| CN112240998B (en) * | 2020-09-29 | 2024-01-19 | 北京环境特性研究所 | Shipborne corner reflector control method and device |
| CN115856807A (en) * | 2023-02-22 | 2023-03-28 | 中国科学院空天信息创新研究院 | Method for accurately positioning radar wave phase center of high-resolution SAR satellite calibrator |
| CN115856808A (en) * | 2023-03-01 | 2023-03-28 | 中国科学院空天信息创新研究院 | High-resolution SAR satellite calibration-oriented remote control corner reflector design method |
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| CN109901126B (en) | 2022-08-12 |
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Address after: 3 / F, Ruite R & D building, 95 Liuzhou Road, Changfu street, Changshu City, Suzhou City, Jiangsu Province 215000 Applicant after: Suzhou dark blue space remote sensing technology Co.,Ltd. Address before: 215000, No. 2, Jianye Road, hi tech Industrial Park, Changshu economic and Technological Development Zone, Jiangsu, Suzhou, 1 Applicant before: SUZHOU DEEP SPACE REMOTE SENSING TECHNOLOGY Co.,Ltd. |
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