Statistics – Applications
Scientific paper
Jan 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981guco.confr....e&link_type=abstract
American Astronautical Society, Annual Rocky Mountain Guidance and Control Conference, Keystone, Colo., Jan. 31-Feb. 4, 1981, 15
Statistics
Applications
Charge Coupled Devices, Interplanetary Navigation, Interplanetary Spacecraft, Pointing Control Systems, Airborne/Spaceborne Computers, Flyby Missions, Halley'S Comet, Navigation Aids
Scientific paper
The applications of practical optical image sensing CCDs to interplanetary spacecraft precision science payload delivery are discussed. The increasing demand for precision and flexibility in spacecraft for proposed new missions is forcing a transition to autonomous onboard navigation and pointing control. Onboard processing of video data is a crucial element in this transition and is made possible by CCD imagers and microprocessors. The pending Halley's comet close flyby is used as an example to examine details of the sensor design and the data processing which will meet the requirements. Target body centerfinding for optical navigation, target body tracking signal processing, and CCD sensor heads are examined, and flow charts and block diagrams are given for each.
Armstrong R. W.
Eisenman Allan R.
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