| 月球探测器TDI-CCD相机成像质量影响因素分析 |
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| 引用本文： | 邓湘金,郭强,饶炜.月球探测器TDI-CCD相机成像质量影响因素分析[J].航天器工程,2010,19(5):70-75. |
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| 作者姓名： | 邓湘金 郭强 饶炜 |
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| 作者单位： | 北京空间飞行器总体设计部,北京100094 |
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| 摘 要： | TDI-CCD相机可以通过多级CCD积分,获得相对较高的信噪比,从1992年开始逐步广泛应用于航空和航天领域中的高分辨率成像任务中。目前TDI-CCD相机已成为高分辨率成像探测的重要手段。根据月球环绕探测任务中TDI-CCD相机的工作环境特点,定量分析了相机的姿态误差、速高比失配等因素对成像质量的影响,并对其中的主要影响因素——速高比失配,提出了适合于月球环绕探测任务特点的补偿途径。
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| 关 键 词： | 月球探测器 TDI-CCD相机 成像质量 分析 |
Factors Affecting the TDI-CCD Camera Image Quality in the Lunar Orbiter |
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| DENG Xiangjin,GUO Qiang,RAO Wei.Factors Affecting the TDI-CCD Camera Image Quality in the Lunar Orbiter[J].Spacecraft Engineering,2010,19(5):70-75. |
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| Authors: | DENG Xiangjin GUO Qiang RAO Wei |
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| Institution: | (Beijing Institute of Spacecraft System Engineering,Beijing 100094,China) |
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| Abstract: | The TDI-CCD camera can obtain better signal to noise ratio by using the tunable integration time and series,and has been applied in most air- and space-missions for high resolution imaging since 1992. The paper,according to the characteristics of the lunar orbiter,quantifies the effects on TDI-CCD camera image quality resulting from altitude errors and velocity-height ratio miss-matching etc. and proposes a method to retrieve the miss-matching in velocity-height ratio,which is suitable to lunar orbiter mission. |
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| Keywords: | lunar orbiter TDI-CCD camera image quality analyze |
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