Implementation and Validation of Earth Acquisition Algorithm for Communication, Ocean and Meteorological Satellite

Details Implementation and Validation of Earth Acquisition Algorithm for Communication, Ocean and Meteorological Satellite Implementation and Validation of Earth Acquisition Algorithm for Communication, Ocean and Meteorological Satellite

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011jass...28..345p&link_type=abstract

Journal of Astronomy and Space Sciences. Vol. 28, no. 4, 345-354

Mathematics

Logic

Earth Acquisition, Attitude Control Parameter, Time-Slot, Communication, Ocean And Meteorological Satellite

Scientific paper

Earth acquisition is to solve when earth can be visible from satellite after Sun acquisition during launch and early operation period or on-station satellite anomaly. In this paper, the algorithm and test result of the Communication, Ocean and Meteorological Satellite (COMS) Earth acquisition are presented in case of on-station satellite anomaly status. The algorithms for the calculation of Earth-pointing attitude control parameters including those attitude direction vector, rotation matrix, and maneuver time and duration are based on COMS configuration (Eurostar 3000 bus). The coordinate system uses the reference initial frame. The constraint calculating available time-slot to perform the earth acquisition considers eclipse, angular separation, solar local time, and infra-red earth sensor blinding conditions. The results of Electronics and Telecommunications Research Institute (ETRI) are compared with that of the Astrium software to validate the implemented ETRI software.

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