| 星敏感器CCD相机成像模拟技术 |
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| 作者单位： | 信息工程大学测绘学院 河南郑州450052 |
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| 摘 要： | 星敏感器是卫星姿态确定与控制系统中重要的星上设备。为了能够方便地研究基于星敏感器的星图识别算法,采用恒星瞬时坐标进行星图模拟,讨论了根据空间坐标系的旋转变换以及摄影测量中的共线条件方程;利用计算机仿真技术对CCD相机成像过程进行模拟,得到模拟星图以作为下一步星图识别工作的基础。最后对坐标变换的准确性进行了验证。
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| 关 键 词： | 恒星星图 计算机仿真 坐标变换 导航星提取 |
Computer Simulation of CCD Star Sensor Imaging |
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| ZHANG Rui,JIANG Ting,JIANG Gang-wu. Computer Simulation of CCD Star Sensor Imaging[J]. Journal of Institute of Surveying and Mapping, 2008, 0(1) |
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| Authors: | ZHANG Rui JIANG Ting JIANG Gang-wu |
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| Abstract: | Star Sensor is an important instrument of guiding and controlling devices on satellite.In order to implement star-map recognition experiments based on star sensor expediently,this paper adopted instantaneous coordinate of stars for computer simulation.Also based on the transformation of space coordinate systems and the collinear equation in photogrammetry,simulation of imaging process of CCD camera was discussed.The test indicated the method mentioned in the paper with a high accuracy. |
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| Keywords: | star map computer simulation coordinates transformation guiding stars selection |
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