Physics – Optics
Scientific paper
Mar 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985stin...8519016p&link_type=abstract
Unknown
Physics
Optics
Attitude Control, Attitude Indicators, Horizon Scanners, Infrared Radiation, Optical Properties, Sensors, Computer Programs, Computer Techniques, Computerized Simulation, Earth (Planet), Radiance
Scientific paper
The work performed by the Attitude Determination and Control Section at the National Aeronautics and Space Administration/Goddard Space Flight Center in analyzing and evaluating the performance of infrared horizon sensors is presented. The results of studies performed during the 1960s are reviewed; several models for generating the Earth's infrared radiance profiles are presented; and the Horizon Radiance Modeling Utility, the software used to model the horizon sensor optics and electronics processing to computer radiance-dependent attitude errors, is briefly discussed. Also provided is mission experience from 12 spaceflight missions spanning the period from 1973 to 1984 and using a variety of horizon sensing hardware. Recommendations are presented for future directions for the infrared horizon sensing technology.
Lee Ting-Hui
Phenneger M. C.
Singhal S. P.
Stengle Thomas H.
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