Physics
Scientific paper
Apr 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994stin...9435585f&link_type=abstract
Unknown
Physics
Attitude (Inclination), Global Positioning System, Landsat Satellites, Satellite Imagery, Error Analysis, Errors
Scientific paper
This report presents the results of an error analysis for satellite attitude determination for the LANDSAT 7 spacecraft. The purpose of this study was (1) to evaluate the contribution of dual-antenna Global Positioning System (GPS) measurements to spacecraft attitude uncertainty and (2) to determine if spacecraft attitude could be determined to an accuracy that would allow direct mapping from LANDSAT 7 stereo pair imagery. Although preliminary, the results indicate that GPS measurements have the potential to improve spacecraft attitude if certain technical goals can be achieved associated with GPS instrumentation. The usability of stand-alone stereo pairs for direct mapping, satisfying Defense Mapping Agency (DMA) product standards, is questionable due to correlated stellar sensor errors.
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