Computer Science – Sound
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21113522p&link_type=abstract
American Astronomical Society, AAS Meeting #211, #135.22; Bulletin of the American Astronomical Society, Vol. 39, p.976
Computer Science
Sound
Scientific paper
The University of Wisconsin's Space Astronomy Laboratory has designed and built a Star Tracker suitable for use on sounding rockets and class D satellites. This device brings together autonomous attitude determination ("Lost in Space" mode), multi-star tracking, and a novel form of Progressive Image Transmission, which allows the device to be used as an ultra-low bandwidth imager.
The Star Tracker 5000 reached operational status in a suborbital sounding rocket flight in August 2007. The ST5000 determined the rocket's inertial (FK5) attitude using its autonomous attitude determination capability, and then provided continuous sub-arcsecond tracking for the full 360-second on-target portion of the flight. The ST5000 RMS tracking error was 0.54 arc-seconds in Yaw and Pitch, and 17 arc-seconds in Roll. The vehicle RMS jitter was 0.5 arc-seconds in Yaw and Pitch, and 10 arc-seconds in Roll.
The ST5000 was funded by NASA grant NAG5-8588.
Jaehnig Kurt P.
Nordsieck Kenneth H.
Percival Jeffrey W.
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