Computer Science – Performance
Scientific paper
Jun 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987stin...8729592r&link_type=abstract
Unknown
Computer Science
Performance
Magnetic Fields, Magnetometers, Noise Reduction, Remote Sensing, Solar System, Spacecraft Instruments, Unmanned Spacecraft, Asteroids, Breadboard Models, Comet Rendezvous Asteroid Flyby Mission, Comets, Feedback Control, Microprocessors, Space Exploration
Scientific paper
Future unmanned space missions will continue to seek a full understanding of magnetic fields throughout the solar system. Severely constrained data rates during certain portions of these missions could limit the possible science return. This publication investigates the application of universal noiseless coding techniques to more efficiently represent magnetometer data without any loss in data integrity. Performance results indicated that compression factors of 2:1 to 6:1 can be expected. Feasibility for general deep space application was demonstrated by implementing a microprocessor breadboard coder/decoder using the Intel 8086 processor. The Comet Rendezvous Asteroid Flyby mission will incorporate these techniques in a buffer feedback, rate-controlled configuration. The characteristics of this system are discussed.
Lee Jun-Ji
Rice Robert F.
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