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Proceedings Paper

The effects of APS star tracker detection sensitivity
Author(s): Huaxun Zhang; Jie Li
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Paper Abstract

Detection sensitivity is an important parameter of star tracker, which can express detecting limit of the weakest detected visual star magnitude. In this paper, the expressions of APS star detected signal and APS noise are given, so signal-noise ratio (SNR) of star tracker can be obtained. And the detection sensitivity model is obtained from SNR criterion of star target detected, star detecting probability is analyzed. Moreover the evaluation modal of the detection sensitivity in star system is deducted. The effects of detection sensitivity of APS star tracker were discussed.

Paper Details

Date Published: 3 February 2009
PDF: 8 pages
Proc. SPIE 7160, 2008 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Applications, 71601F (3 February 2009); doi: 10.1117/12.805547
Show Author Affiliations
Huaxun Zhang, Changchun Univ. (China)
Jie Li, Changchun Univ. (China)


Published in SPIE Proceedings Vol. 7160:
2008 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Applications

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