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1. 中国科学院 长春光学精密机械与物理研究所, 吉林 长春 130033
2. 中国科学院 研究生院,北京 130039
收稿日期:2010-05-04,
修回日期:2010-07-26,
网络出版日期:2011-03-22,
纸质出版日期:2011-03-22
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张刘, 孙志远, 金光. 星载TDICCD动态成像全物理仿真系统设计[J]. 光学精密工程, 2011,19(3): 641-650
ZHANG Liu, SUN Zhi-yuan, JIN Guang. Design of physical simulation system for TDI CCD dynamic imaging[J]. Editorial Office of Optics and Precision Engineering, 2011,19(3): 641-650
张刘, 孙志远, 金光. 星载TDICCD动态成像全物理仿真系统设计[J]. 光学精密工程, 2011,19(3): 641-650 DOI: 10.3788/OPE.20111903.0641.
ZHANG Liu, SUN Zhi-yuan, JIN Guang. Design of physical simulation system for TDI CCD dynamic imaging[J]. Editorial Office of Optics and Precision Engineering, 2011,19(3): 641-650 DOI: 10.3788/OPE.20111903.0641.
基于高精度卫星姿态控制仿真三轴气浮台
研制了高精度卫星姿态控制仿真子系统
用于为地面TDI CCD动态成像仿真系统提供真实的仿真环境。根据TDI CCD实际成像原理
采用软件模拟替代实际线阵相机的TDI电荷转移迭加过程
研制了基于面阵CCD的星载TDI CCD动态成像仿真系统。利用该系统
实现了最高指向控制精度为0.1
姿态稳定度为0.01()/s的卫星姿态控制仿真实验
模拟了积分时间为0.1 s的TDI CCD相机4~16级动态成像过程。研究了卫星姿态对TDI CCD相机拍照的影响
分析了实际航天高性能TDI CCD相机成像建模理论。像移速度匹配误差为0
姿态稳定度大于0.01()/s的实验显示了物理仿真与数学仿真结果与理论分析基本一致
不仅验证了该平台物理仿真方案的正确性
也初步验证了航天CCD成像建模理论的正确性。
A ground-based physical TDI CCD imaging simulation system is developed
which consists of a high precision satellite 3-axis attitude control simulation subsystem based on a 3-axis air bearing table
and a TDI CCD imaging simulation subsystem whose TDI image procedure is simulated by software using an area-array CCD. The designed system realizes the simulation of satellite 3-axis attitude control with a maximum pointing accuracy of 0.1 and a attitude steady accuracy of 0.01()/s
and implements an imaging simulation of 4-stage to 16-stage TDI CCD with the integration time of 0.1 s. Furthermore
the effect of satllite 3-axis attitude on the TDICCD photography is researched and the correction of the modeling theory for a space TDI CCD image motion model is proved. Experiment results show that the physical experiment results are in accordance with those of mathematical simulation and theoretical analysis
which justifies the feasibility of system design and the validity of image motion theory.
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