Volume 29 Issue 5
Sep.  2009
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Cao Jianzhong, Guo Wei, Zhu Qing, Wang Weihua, Tang Yao, Wu Li, Zhang Haifeng. Design of YH-1 Satellite Wide FOV Color Camera With its Ground-based Detection[J]. Journal of Space Science, 2009, 29(5): 480-485. doi: 10.11728/cjss2009.05.480
Citation: Cao Jianzhong, Guo Wei, Zhu Qing, Wang Weihua, Tang Yao, Wu Li, Zhang Haifeng. Design of YH-1 Satellite Wide FOV Color Camera With its Ground-based Detection[J]. Journal of Space Science, 2009, 29(5): 480-485. doi: 10.11728/cjss2009.05.480

Design of YH-1 Satellite Wide FOV Color Camera With its Ground-based Detection

doi: 10.11728/cjss2009.05.480
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2009-09-15
  • In this paper, the working principle, specifications, scheme and design result of the Wide FOV Color Camera of the YH-1 satellite are introduced. The static spatial resolution of the camera reaches 180 lp/mm and SNR is 34 dB in the laboratory before launching. According to the user's request, the images are generated by the camera with different manner: in the default working, the first and the second images are completed with the auto exposure algorithm, the others are got with the increased or decreased time of exposure from the second; while in the injected-instruction working, the other images are produced with the appointed time of exposure. For the sake of shooting the bright object in the dark background, experiments are carried out in the dark room and outdoor in night to get images of both a globe and the moon. And the images have been evaluated by the user. The result proved that the camera works well, the data format is correct, the exposure algorithm is successful, the quality of the camera is high, and the data can be collected and sent back correctly. Finally some main technologies applied during the manufacturing process are introduced.

     

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