Computer Science – Performance
Scientific paper
Jul 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991spie.1478...13s&link_type=abstract
Proc. SPIE Vol. 1478, p. 13-23, Sensors and Sensor Systems for Guidance and Navigation, Jack F. Wade; Avi Tuchman; Eds.
Computer Science
Performance
Scientific paper
An instrument has been designed to demonstrate 5 arc second autonomous, all-stellar attitude determination on a NASA Spartan spacecraft. The instrument includes a CCD star camera that provides centroid measurements of up to 5 simultaneous star images with 10 frames of data per s. The performance of the camera and processing techniques have been studied in an extensive test program including star measurements taken under realistic conditions at the Jet Propulsion Laboratory Table Mountain Observatory. Results of these tests are presented and compared to laboratory and simulation data. At slue rates less than 0.1 deg/s the camera accuracy was found to vary from 5 to 15 arc seconds per image, depending on star magnitude.
Barnes Donald L.
Fisher Landis H.
Frank L. J.
Gray Connie B.
Kilgus Charles C.
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