Computer Science – Performance
Scientific paper
Aug 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975sshm.meetu....w&link_type=abstract
AAS, AIAA, IEEE, ORSA, and IMS, Meeting on Space Shuttle Missions of the 80's, Denver, Colo., Aug. 26-28, 1975, AAS 17 p.
Computer Science
Performance
Computerized Simulation, Guidance Sensors, Hubble Space Telescope, Pointing Control Systems, Beam Splitters, Digital Computers, Error Correcting Devices, Focal Plane Devices, Instrument Errors, Interferometry, Space Missions, Space Shuttles
Scientific paper
The primary function of the LST fine guidance sensor is the detection of telescope mispointing. This is accomplished by measuring the positions of guide-star images in the telescope focal plane and converting these measurements to electrical error signals, which are then used by the Support System Module to correct pointing direction. The fine guidance sensor employs a high-gain, white-light interferometer, which detects the wavefront tilt caused by telescope mispointing, and an image-dissector star tracker, which is used for guide-star acquisition and coarse tracking. The LST pointing system simulation is a digital computer simulation program for testing the performance of the fine guidance sensor.
Carricato R. H.
Wissinger Alan B.
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