Pointing acquisition and tracking system for SILEX inter satellite optical link

Details Pointing acquisition and tracking system for SILEX inter satellite optical link Pointing acquisition and tracking system for SILEX inter satellite optical link

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1111..277p&link_type=abstract

IN: Acquisition, tracking, and pointing III; Proceedings of the Meeting, Orlando, FL, Mar. 27-29, 1989 (A90-39001 17-17). Bellin

Computer Science

Performance

Pointing Control Systems, Satellite-To-Satellite Tracking, Target Acquisition, Optical Communication, Satellite Communication, Satellite Networks, Tdr Satellites, Tracking Filters

Scientific paper

This paper is concerned with the architecture and functional analysis of the Pointing Acquisition and Tracking (PAT) subsystem of the European Silex program (Semiconductor laser Intersatellite Link Experiment). The Silex scenario is composed of two optical terminals in LEO and GEO spacecraft. High rate communication between the two terminals requires very accurate tracking performances over a high bandwidth taking into account satellite vibrations as well as PAT electromechanical or optical noise. A detailed presentation of the retained functional architecture in terms of control laws and strategies, steering algorithms and related signal processing is given, followed by the design choices retained for the PAT equipments. A performance analysis is carried out that concerns the rejection capacity with respect to vibrations generated by the host spacecraft, as well as optical sensors noise and mechanism error effects.

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