15 October 1993 Ladar measurements of satellite vibrations with post-heterodyne detection autodyne receivers
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Abstract
Vibration signatures of the Low Power Atmospheric Compensation Experiment (LACE) satellite were obtained using a ground based CO2 laser radar. The laser radar operated in a cw mode and utilized autodyne receivers to extract relative target velocity information between a germanium retroreflector located at the base of the satellite and a retroreflector array located at the tip of an extended forward boom. Time-frequency analysis algorithms were applied to the vibration data to investigate the correlation between excitations and modal structure. The resultant analysis suggests that vibration modes of an on-orbit space craft can be suppressed using simple open-loop techniques.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kenneth I. Schultz, J. A. Daley, D. G. Kocher, James M Spinks, Joseph R. Theriault, Shalom Fisher, Lawrence W. Taylor, "Ladar measurements of satellite vibrations with post-heterodyne detection autodyne receivers", Proc. SPIE 1936, Applied Laser Radar Technology, (15 October 1993); doi: 10.1117/12.157115; https://doi.org/10.1117/12.157115
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