一种彩色面阵CCD测绘相机前向像移的补偿方法

张景国, 丁亚林, 田海英, 李延伟, 远国勤, 于春风

张景国, 丁亚林, 田海英, 李延伟, 远国勤, 于春风. 一种彩色面阵CCD测绘相机前向像移的补偿方法[J]. 应用光学, 2011, 32(3): 460-463.
引用本文: 张景国, 丁亚林, 田海英, 李延伟, 远国勤, 于春风. 一种彩色面阵CCD测绘相机前向像移的补偿方法[J]. 应用光学, 2011, 32(3): 460-463.
ZHANG Jing-guo, DING Ya-lin, TIAN Hai-ying, LI Yan-wei, YUAN Guo-qin, YU Chun-feng. Compensation for forward image motion of color area array CCD mapping camera[J]. Journal of Applied Optics, 2011, 32(3): 460-463.
Citation: ZHANG Jing-guo, DING Ya-lin, TIAN Hai-ying, LI Yan-wei, YUAN Guo-qin, YU Chun-feng. Compensation for forward image motion of color area array CCD mapping camera[J]. Journal of Applied Optics, 2011, 32(3): 460-463.

一种彩色面阵CCD测绘相机前向像移的补偿方法

详细信息
    通讯作者:

    张景国(1972-),男,黑龙江双鸭山人,硕士,主要从事航空光学仪器结构设计工作。

  • 中图分类号: TN911.73;V216.8

Compensation for forward image motion of color area array CCD mapping camera

  • 摘要: 为了实现对前向像移的补偿,提出一种通过合理调整快门曝光时间和飞机速高比之间的关系来补偿前向像移的方法,对前向像移产生的原因进行研究。介绍彩色面阵CCD工作原理、相机工作原理,从光学系统成像原理的角度分析产生前向像移的原因,还分析了速高比和曝光时间误差。实验结果表明:速高比误差和曝光时间误差均可控制在合理误差范围内,满足前向像移量小于1.5个像元尺寸的补偿要求,达到了测绘相机的精度指标。
    Abstract: In order to compensate the forward image motion of a mapping camera on an aircraft, a method by adjusting the relationship between the shutter exposure time of the camera and the speed-altitude ratio of the aircraft was put forward. The causes of the forward image motion were studied. Firstly, the operation principles of the color area array CCD and the camera system were introduced. Then the causes of the forward image motion were analyzed based on the imaging principle of the optical system. Finally, the errors of the speed-altitude ratio and the exposure time were analyzed. The experimental results show that the errors are controlled within allowable limit and it meets the compensation requirement of less than 1.5 pixel for the forward image motion.
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  • 刊出日期:  2011-05-14

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