椭圆轨道TDICCD相机像移匹配计算与成像验证

胡燕; 金光; 常琳; 杨秀彬

doi:10.3788/OPE.20142208.2274

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椭圆轨道TDICCD相机像移匹配计算与成像验证

信息科学 | 更新时间：2020-08-13

- 椭圆轨道TDICCD相机像移匹配计算与成像验证
- Image motion matching calculation and imaging validation of TDI CCD camera on elliptical orbit
- 光学精密工程 2014年22卷第8期页码：2274-2284
- 作者机构：
  
  1. 中国科学院大学北京,中国,100049
  2. 中国科学院长春光学精密机械与物理研究所小卫星技术国家地方联合工程研究中心,吉林长春,130033
  3. 西安测绘研究所,陕西西安,710054
- 作者简介：
- 基金信息：
  
  国家863高技术研究发展计划资助项目（No.2012AA121502）();吉林省自然科学基金青年基金资助项目（No.201201010）()
- DOI：10.3788/OPE.20142208.2274
  中图分类号： V447.3
- 收稿日期：2013-11-13，
  
  修回日期：2013-12-08，
  
  纸质出版日期：2014-08-25
- 稿件说明：
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胡燕, 金光, 常琳等. 椭圆轨道TDICCD相机像移匹配计算与成像验证[J]. 光学精密工程, 2014,22(8): 2274-2284

HU Yan, JIN Guang, CHANG Lin etc. Image motion matching calculation and imaging validation of TDI CCD camera on elliptical orbit[J]. Editorial Office of Optics and Precision Engineering, 2014,22(8): 2274-2284
胡燕, 金光, 常琳等. 椭圆轨道TDICCD相机像移匹配计算与成像验证[J]. 光学精密工程, 2014,22(8): 2274-2284 DOI： 10.3788/OPE.20142208.2274.

HU Yan, JIN Guang, CHANG Lin etc. Image motion matching calculation and imaging validation of TDI CCD camera on elliptical orbit[J]. Editorial Office of Optics and Precision Engineering, 2014,22(8): 2274-2284 DOI： 10.3788/OPE.20142208.2274.

摘要

针对椭圆轨道卫星地心距和前进速度时刻变化对航天时间延迟积分（TDI） CCD相机成像的影响，提出了一种矢量映射分析方法来计算椭圆轨道时变的像移速度矢量。通过建立不同的坐标系，将椭圆轨道卫星在轨运行速度和地物随地球自转的线速度映射至TDI CCD相机像面坐标系。以某临界回归椭圆轨道为例，计算了影响航天TDI CCD相机成像的像移速度矢量和数据读出频率。最后，利用小卫星姿态控制系统半物理仿真平台和TDI CCD原理样机对提出的像移速度矢量映射分析方法进行了实验验证。结果表明：临界回归椭圆轨道一个周期内，参数按照等比缩放原则配置时，对应的偏流角、像移速度矢量和靶标移动速度分别为-3.76~3.22（°）、0.1673~0.72 mm/s和19.12~82.24 pixel/s，获取的图像能够满足1~2 peixl的目标分辨率。实验结果说明，用提出的方法计算像移速度矢量结果准确，可为椭圆轨道航天TDI CCD相机成像匹配提供可靠依据。

Abstract

In view of the influence of continuous changeable orbit heights and satellite velocities on elliptical orbit on the space TDI CCD camera imaging

a vector map analysis method was proposed to calculate the time varying image motion of the elliptical orbit. Through establishing different coordinates

the satellite velocity and target velocity generated with earth self-rotation were transformed from original coordinate to TDI CCD camera image plane coordinate. By taking a critical regression elliptical orbit as an example

the image motion velocity vectors which affect TDI CCD camera imaging and data readout frequencies were calculated. Finally

a three-axis air flotation turntable attitude simulation system and a TDI CCD camera were used in experiment to verify the vector map analysis method. The results show that during one period of satellite on critical regression elliptical orbit

the values of drift angle

image motion velocity and target movement speed are separately -3.76°-3.22°

0.1673-0.72 mm/s

and 19.12-82.24 pixels/s according to equivalent parameter law. The image collected can satisfy the resolution of the 1-2 pixels

which proves that vector map analysis method is accurate on computing image motion velocity

which is able to provide reliable basis for space TDI CCD camera imaging on the elliptical orbit.

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references

张震,周孟莲,蔡跃,等. 重复脉冲激光造成扫描型CCD背景条纹的规律[J]. 光学精密工程, 2013, 21(7) :1676-1682. ZHANG ZH, ZHOU M L, CAI Y, et al.. Law of background fringes of scanning CCD included by repetitive pulse lasers [J]. Opt. Precision Eng., 2013, 21(7) : 1676-1682. (in Chinese)

佟首峰,李德志,郝志航. 高分辨力TDI CCD遥感相机的特性分析[J]. 光电工程, 2001, 28(4): 64-67. TONG SH F, LI D ZH, HAO ZH H. Analysis on the characteristics of TDI CCD high resolution camera for remote sensing [J]. Opto-Electronic Engineering, 2001, 28(4): 64-67. (in Chinese)

付金宝,丁亚林,仲崇亮,等. 带干扰观测器的航空相机前向像移补偿控制器[J]. 光学精密工程, 2013, 21(6): 1456-1463. FU J B, DING Y L, ZHONG CH L, et al.. Compensation controller with disturbance observer for forward image motion of aerial camera [J]. Opt. Precision Eng., 2013, 21(6): 1456-1463. (in Chinese)

张雅声,张育林. 一种有效的中椭圆轨道卫星星座设计与分析[J]. 装备指挥技术学院学报, 2006, 17(4): 42-47. ZHANG Y SH, ZHANG Y L. Design and analysis of an effective medium ellipse orbit satellites constellation [J]. Journal of the Academy of Equipment Command & Technology, 2006,17(4): 42-47.(in Chinese)

王家骐,于平,颜昌翔,等. 航天光学遥感器像移速度矢计算数学模型[J]. 光学学报, 2004, 24(12): 1585-1589. WANG J Q, YU P, YAN CH X,et al.. Space optical remote sensor image motion velocity vector computational modeling [J]. Acta Optica Sinica, 2004, 24(12): 1585-1589. (in Chinese)

孙辉,张淑梅. 机载成像系统像移计算模型与误差分析[J]. 光学精密工程, 2012, 20(11): 2492-2499. SUN H, ZHANG SH M. Computation model and error budget for image motion of aerial imaging system [J]. Opt. Precision Eng., 2012, 20(11): 2492-2499.(in Chinese)

袁孝康. 星载TDI-CCD推扫相机的偏流角计算与补偿[J]. 上海航天, 2006,(6):10-13. YUAN X K. Calculation and compensation for the deviant angle of satellite borne TDI-CCD push scan camera[J]. Aerospace Shanghai, 2006,(6):10-13. (in Chinese)

陈绍龙. 侧摆摄影偏流角和速高比的计算模型[J]. 航天器工程, 2010, 19(1):36-40. CHEN SH L. Computation model of veer angle and velocity-height ratio for space camera in roll attitude [J]. Spacecraft Engineering, 2010, 19(1): 36- 40. (in Chinese)

孙阳,闫锋,薛栋林,等. 太阳同步椭圆轨道偏流角分布规律与像质分析[J]. 红外与激光工程, 2013,42(3): 767-773. SUN Y, YAN F, XUE D L, et al.. Drift angle distribution and image quality decreasing of solar synchronizing elliptic orbit [J]. Infrared and Laser Engineering, 2013, 42(3): 767-773. (in Chinese)

武星星,刘金国,周怀得. 应用地球椭球的大视场空间相机像移补偿[J]. 光学学报, 2013, 33(5): 0528001-1 -0528001-7. WU X X,LIU J G,ZHOU H D. Image motion compensation of space camera with large field of view using earth ellipsoid [J]. Acta Optics Sinica, 2013, 33(5): 0528001-1 -0528001-7. (in Chinese)

杨秀彬,金光,张刘,等. 卫星后摆补偿地速研究及成像仿真分析[J]. 宇航学报, 2010, 31(3): 912-917. YANG X B, JIN G, ZHANG L, et al.. Satellite swaying to compensate earth speed research and imaging simulation analysis [J]. Journal of Astronautics, 2010, 31(3): 912-917.(in Chinese)

沈欣. 光学遥感卫星轨道设计若干关键技术研究[D]. 武汉:武汉大学, 2012, 57-62. SHEN X. Research on Key Technologies of Orbit Design for Optical Remote Sensing Satellite[D]. WU Han: Wuhan University, 2012, 57-62.

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