Volume 29 Issue 1
Jan.  2009
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Zhong Xing, Jin Guang, Zhang Lei. Target based SNR analysis of spaceborne panchromatic TDICCD camera[J]. Chinese Journal of Space Science, 2009, 29(1): 45-49. doi: 10.11728/cjss2009.01.045
Citation: Zhong Xing, Jin Guang, Zhang Lei. Target based SNR analysis of spaceborne panchromatic TDICCD camera[J]. Chinese Journal of Space Science, 2009, 29(1): 45-49. doi: 10.11728/cjss2009.01.045

Target based SNR analysis of spaceborne panchromatic TDICCD camera

doi: 10.11728/cjss2009.01.045
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2009-01-15
  • TDICCD is a new optoelectronic sensor developed these years, and is widely used in the design and developing of spaceborne camera. This paper analyzes the solar elevation and luminance of target, builds a mathematic model of the radiance transition from the observing target on the ground to the entrance pupil of spaceborne camera. This method can fast induce the SNR of spaceborne panchromatic TDICCD camera for any target, and validate the feassibility of satellite platform design. Taking actual camera for example, the result shows the solar elevation of some target at 20° north latitude is 41.5°~76.7°. The maximal SNR of TDICCD camera whose F number is 15 can be more than 40 dB. This paper is useful for the actual engineering.

     

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