Signal processing method and device for multi aperture sun...

Details Signal processing method and device for multi aperture sun... Signal processing method and device for multi aperture sun...

2007-12-31

2009-11-10

Pyo, Kevin (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

C250S203300, C702S095000, C033S268000

Reexamination Certificate

active

07615728

ABSTRACT:
The disclosure relates to a signal processing method for multi aperture sun sensor comprising the following steps: reading the information of sunspots in a row from a centroid coordinate memory, judging the absence of sunspots in that row, identifying the row and column index of the sunspots in the complete row, selecting the corresponding calibration parameter based on the row and column index, calculating attitude with the attitude calculation module the corresponding to identified sunspots, averaging the accumulated attitude of all sunspots and outputting the final attitude. At the same time, a signal processing device for multi aperture sun sensor is also presented. It is comprised of a sunspot absence judgment and an identification module and an attitude calculation module. The disclosure implements the integration of sun sensors without additional image processor or attitude processor, reduces field programmable gate array resource and improves the reliability of sun sensors.

REFERENCES:
patent: 4999483 (1991-03-01), Okamoto
patent: 5455415 (1995-10-01), Yamada et al.
patent: 2008/0029652 (2008-02-01), Zhang et al.

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