CN101866183A - Calibration device for rough tracking optical axis of laser space communication system - Google Patents
Calibration device for rough tracking optical axis of laser space communication system Download PDFInfo
- Publication number
- CN101866183A CN101866183A CN201010172068A CN201010172068A CN101866183A CN 101866183 A CN101866183 A CN 101866183A CN 201010172068 A CN201010172068 A CN 201010172068A CN 201010172068 A CN201010172068 A CN 201010172068A CN 101866183 A CN101866183 A CN 101866183A
- Authority
- CN
- China
- Prior art keywords
- optical axis
- turntable
- gps antenna
- tracking optical
- communication system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention provides a calibration device for a rough tracking optical axis of a laser space communication system, which belongs to the technical field of laser space communication. The calibration device utilizes high-precision position coordinates obtained by a GPS system to realize calibration, has lower environmental requirements, and can realize calibration only on the premises of ensuring the distance between a light source and the rough tracking optical axis to be larger than 15 kilometers and ensuring visibility, thereby greatly improving calibration maneuverability and realizing the calibration of the rough tracking optical axis of the laser space communication system.
Description
Technical field
The present invention relates to calibration device for rough tracking optical axis in the laser space communication system, belong to the laser space communication technical field.
Background technology
Because free space laser communication has that message capacity is big, transfer rate is high, advantage such as good concealment, antijamming capability are strong, thereby be with a wide range of applications.The APT subsystem is an important component part of laser space communication system, and it is made of thick tracking and two parts of smart tracking usually.Because laser communication system is the point-to-point dynamic communication that carries out, therefore the tracking accuracy to thick tracker and smart tracker has very high requirement, for example between star in the laser communication system thick tracker tracking accuracy be generally 90 μ rad, smart tracker tracking accuracy is generally 2 μ rad.High tracking accuracy like this, initial calibration has proposed very high requirement to system's optical axis.Be meant by adjusting thick tracking optical axis turntable with optical axis calibration thick, three coordinate axis sensings of three coordinate axis and Basic Reference Coordinate Systems of thick tracking optical axis place coordinate system are identical.At present the device of finishing the rough tracking optical axis school is not also reported.
Summary of the invention
Be laser communication system rough tracking optical axis school, implementation space.The object of the present invention is to provide the rough tracking optical axis of laser space communication system calibration device.
Being constructed as follows of rough tracking optical axis of laser space communication system calibration device provided by the invention:
As shown in Figure 1, this device is made of first gps antenna 1, second gps antenna 2, first gyro 3, the 3rd gps antenna 4, thick tracking optical axis and optical imaging system 5, the first pitching turntable 6, first orientation turntable 7, platform 8, the 4th gps antenna 9, light source 10, the second pitching turntable 11, second orientation turntable 12 and second gyro 13.
The second pitching turntable 11 connects firmly on second orientation turntable 12; Platform 8 connects firmly on the second pitching turntable 11; First gps antenna 1, second gps antenna 2, first gyro 3, first orientation turntable 7 connect firmly in turn on platform 8; The first pitching turntable 6 connects firmly on first orientation turntable 7; Thick tracking optical axis and optical imaging system 5 connect firmly on the first pitching turntable 6; Second gyro 13, the 3rd gps antenna 4 connect firmly in turn on thick tracking optical axis and optical imaging system 5.
The measuring process of rough tracking optical axis of laser space communication system calibration device provided by the invention is as follows.
(1) corner and the angle of pitch information that provides by first gyro 3 is adjusted second orientation turntable 12 and the second pitching turntable, 11 respective angles, and platform 8 is adjusted into horizontality.
(2) light source 10 is opened.
(3) adjust the first pitching turntable 6 and first orientation turntable 7 respective angles, make thick tracking optical axis and optical imaging system 5 alignment light source 10, and the picture of assurance light source 10 becomes the optical system center position at thick tracking optical axis and optical imaging system 5.
(4) obtain this position coordinates by the 3rd gps antenna 4, obtain this position coordinates by the 4th gps antenna 9.Two position groupings are constituted the measurement baseline together, use 2 position coordinateses, can calculate the position angle and the angle of pitch of this measurement baseline.
(5) obtain this position coordinates by first gps antenna 1, obtain this position coordinates by second gps antenna 2.Two position groupings are constituted the measurement baseline together, use 2 position coordinateses, can calculate the position angle and the angle of pitch of this measurement baseline.
(6) azimuth value that (4) are obtained is made the poor orientation angles difference that obtains with the azimuth value that (5) obtain, and rotates first orientation turntable 7 and makes its gyrobearing angle difference; (4) angle of pitch value that obtains and angle of pitch value work difference that (5) obtain obtained a luffing angle difference, rotate the first pitching turntable 6 and make its rotary luffing angle difference.
Finish the rough tracking optical axis school by above step.
The rough tracking optical axis of laser space communication system calibration device that the present invention proposes can be finished the rough tracking optical axis of laser space communication system school.This calibration device is realized calibration by the high-precision position coordinates that gps system obtains.While calibration device is lower to environmental requirement, need only to guarantee light source and thick tracking optical axis apart greater than more than 15 kilometers, and the assurance intervisibility just can be realized calibration.Thereby calibration precision and calibration maneuverability are improved greatly.
Description of drawings
Fig. 1 forms synoptic diagram for Fig. 1 contrive equipment.This figure also is the specification digest accompanying drawing.Wherein, 1 is that first gps antenna, 2 is that second gps antenna, 3 is first gyro, and 4 is the 3rd gps antenna, and 5 is thick tracking optical axis and optical imaging system, 6 is the first pitching turntable, 7 is the first orientation turntable, and 8 is platform, and 9 is the 4th gps antenna, 10 is light source, 11 is the second pitching turntable, and 12 is the second orientation turntable, and 13 is second gyro.
Embodiment
GPS selects Superstar II type GPS OEM for use; Light source is selected ordinary light source for use, guarantees its spectral characteristic and thick consistent the getting final product of hot spot of following the tracks of imaging system; Gyro is selected VG941-3AM angular speed optical fibre gyro for use; Turntable selects for use angle precision to be higher than 0.05 degree.
Embodiment 1
(1) corner and the angle of pitch information that provides by first gyro 3 is adjusted second orientation turntable 12 and the second pitching turntable, 11 respective angles, and platform 8 is adjusted into horizontality.
(2) light source 10 is opened.
(3) adjust the first pitching turntable 6 and first orientation turntable 7 respective angles, make thick tracking optical axis and optical imaging system 5 alignment light source 10, and the picture of assurance light source 10 becomes the optical system center position at thick tracking optical axis and optical imaging system 5.
(4) obtain this position coordinates by the 3rd gps antenna 4, obtain this position coordinates by the 4th gps antenna 9.Two position groupings are constituted the measurement baseline together, use 2 position coordinateses, can calculate the position angle and the angle of pitch of this measurement baseline.
(5) obtain this position coordinates by first gps antenna 1, obtain this position coordinates by second gps antenna 2.Two position groupings are constituted the measurement baseline together, use 2 position coordinateses, can calculate the position angle and the angle of pitch of this measurement baseline.
(6) azimuth value that (4) are obtained is made the poor orientation angles difference that obtains with the azimuth value that (5) obtain, and rotates first orientation turntable 7 and makes its gyrobearing angle difference; (4) angle of pitch value that obtains and angle of pitch value work difference that (5) obtain obtained a luffing angle difference, rotate the first pitching turntable 6 and make its rotary luffing angle difference.
Finish the rough tracking optical axis school by above step.
Claims (1)
1. rough tracking optical axis of laser space communication system calibration device, it is characterized in that this device is made of first gps antenna (1), second gps antenna (2), first gyro (3), the 3rd gps antenna (4), thick tracking optical axis and optical imaging system (5), the first pitching turntable (6), first orientation turntable (7), platform (8), the 4th gps antenna (9), light source (10), the second pitching turntable (11), second orientation turntable (12) and second gyro (13);
The described second pitching turntable (11) connects firmly on second orientation turntable (12); Platform (8) connects firmly on the second pitching turntable (11); First gps antenna (1), second gps antenna (2), first gyro (3), first orientation turntable (7) connect firmly in turn on platform (8); The first pitching turntable (6) connects firmly on first orientation turntable (7); Thick tracking optical axis and optical imaging system (5) connect firmly on the first pitching turntable (6); Second gyro (13), the 3rd gps antenna (4) connect firmly in turn on thick tracking optical axis and optical imaging system (5);
Described light source (10) be placed in thick tracking optical axis and optical imaging system (5) at a distance of 15 kilometers distant places, and guarantee light source (10) and intervisibility between tracking optical axis and the optical imaging system (5) slightly; The 4th gps antenna (9) connects firmly on light source (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010172068XA CN101866183B (en) | 2010-05-14 | 2010-05-14 | Calibration device for rough tracking optical axis of laser space communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010172068XA CN101866183B (en) | 2010-05-14 | 2010-05-14 | Calibration device for rough tracking optical axis of laser space communication system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101866183A true CN101866183A (en) | 2010-10-20 |
| CN101866183B CN101866183B (en) | 2011-09-21 |
Family
ID=42957940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010172068XA Expired - Fee Related CN101866183B (en) | 2010-05-14 | 2010-05-14 | Calibration device for rough tracking optical axis of laser space communication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101866183B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429702A (en) * | 2015-11-09 | 2016-03-23 | 长春理工大学 | Small-size space laser communication system |
| CN107121691A (en) * | 2017-05-03 | 2017-09-01 | 长春理工大学 | A kind of quick sensing and tracks of device and method |
| CN108919841A (en) * | 2018-08-24 | 2018-11-30 | 湖北三江航天红峰控制有限公司 | A kind of compound heavy metal method and system of photoelectric follow-up |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5416712A (en) * | 1993-05-28 | 1995-05-16 | Trimble Navigation Limited | Position and velocity estimation system for adaptive weighting of GPS and dead-reckoning information |
| CN101178336A (en) * | 2007-07-04 | 2008-05-14 | 长春理工大学 | optical profiletype simulate vibration movement platform device for space laser communication |
| CN101252394A (en) * | 2008-01-22 | 2008-08-27 | 长春理工大学 | Sight axis self-correcting method of atmosphere laser communication system |
| CN101294800A (en) * | 2007-04-28 | 2008-10-29 | 长春奥普光电技术股份有限公司 | Frame angle calibration method and apparatus of multi-frame optoelectronic platform |
| CN101645741A (en) * | 2009-09-04 | 2010-02-10 | 中国科学院上海技术物理研究所 | Method for self-calibrating visual axis field of quantum communication system tracking camera |
-
2010
- 2010-05-14 CN CN201010172068XA patent/CN101866183B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5416712A (en) * | 1993-05-28 | 1995-05-16 | Trimble Navigation Limited | Position and velocity estimation system for adaptive weighting of GPS and dead-reckoning information |
| CN101294800A (en) * | 2007-04-28 | 2008-10-29 | 长春奥普光电技术股份有限公司 | Frame angle calibration method and apparatus of multi-frame optoelectronic platform |
| CN101178336A (en) * | 2007-07-04 | 2008-05-14 | 长春理工大学 | optical profiletype simulate vibration movement platform device for space laser communication |
| CN101252394A (en) * | 2008-01-22 | 2008-08-27 | 长春理工大学 | Sight axis self-correcting method of atmosphere laser communication system |
| CN101645741A (en) * | 2009-09-04 | 2010-02-10 | 中国科学院上海技术物理研究所 | Method for self-calibrating visual axis field of quantum communication system tracking camera |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429702A (en) * | 2015-11-09 | 2016-03-23 | 长春理工大学 | Small-size space laser communication system |
| CN107121691A (en) * | 2017-05-03 | 2017-09-01 | 长春理工大学 | A kind of quick sensing and tracks of device and method |
| CN108919841A (en) * | 2018-08-24 | 2018-11-30 | 湖北三江航天红峰控制有限公司 | A kind of compound heavy metal method and system of photoelectric follow-up |
| CN108919841B (en) * | 2018-08-24 | 2022-03-08 | 湖北三江航天红峰控制有限公司 | Composite shaft control method and system of photoelectric tracking system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101866183B (en) | 2011-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10338228B2 (en) | Portable GNSS survey system | |
| CN105157697B (en) | Indoor mobile robot pose measurement system and measurement method based on optoelectronic scanning | |
| US9075025B2 (en) | Apparatus and method to compensate bearing runout in laser tracker | |
| CN107132636B (en) | A kind of aspherical primary mirror reflecting surface adjustment benchmark calibration method and its system | |
| CN102980574B (en) | LED-based indoor visible light accurate positioning reception model and positioning method therefor | |
| US9482525B2 (en) | Apparatus to compensate bearing runout in a three-dimensional coordinate measuring system | |
| WO2007124010A3 (en) | Camera based six degree-of-freedom target measuring and target tracking device | |
| US20130310071A1 (en) | Position determination using horizontal angles | |
| CN103377561B (en) | System, method and device for vehicle positioning | |
| CN101799271A (en) | Method for obtaining camera calibration point under large viewing field condition | |
| CN105823420B (en) | A kind of pyramid sub-assembly light echo center of energy coordinate precise deriving method | |
| US10514467B2 (en) | Up sampling reference station data | |
| CN101866183B (en) | Calibration device for rough tracking optical axis of laser space communication system | |
| WO2015023555A1 (en) | Accurate positioning system using attributes | |
| US20190346860A1 (en) | Autonomous Vehicle Localization Using 5G Infrastructure | |
| CN107462264B (en) | Dynamic gyro north-seeking calibration device | |
| CN104535042A (en) | Measuring method based on non-orthogonal shafting laser theodolite | |
| CN103033182B (en) | Determine the detent mechanism of the 3rd target | |
| CN107991684B (en) | GNC subsystem equipment attitude measurement system in large aircraft | |
| CN110909456A (en) | Modeling method, device, terminal equipment and medium | |
| CN109945824B (en) | Method and system for measuring and transmitting course reference of carrier | |
| CN103398678B (en) | For device and the measuring method of photoplane internal measurement GPS eccentricity component | |
| CN105423912A (en) | Light pen tracking system | |
| Wu et al. | A novel precise guiding method for visual guiding theodolite measurement in volume space | |
| JPS58201080A (en) | Detection for vehicular position |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20120514 |