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Proceedings Paper

Charge-Coupled Device (CCD) Trackers For High Accuracy Guidance Applications
Author(s): Phil M. Salomon
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Paper Abstract

Recent advances in large area charge coupled device (CCD) imaging detectors and high speed microprocessors have prompted the development of a new class of electro-optical tracking instruments at the Jet Propulsion Laboratory (JPL). These instruments are designed for standardized NASA-wide usage and are characterized by their extremely high pointing accuracy and stability and performance capabilities which are largely software defined and thus easily adapted to a variety of mission requirements. This paper presents an examination of the methods by which CCD detectors are being incorporated in star tracker instruments and the performance capa-bilities that can be expected from currently available devices. The multi-function sensor concept, in which a single sensor can function in a variety of guidance applications, is described. Software algorithms designed to provide efficient extraction of guidance information from both point and extended images are also presented. CCD star tracker implementations currently underway at JPL are described, and performance data obtained during laboratory testing is presented and discussed.

Paper Details

Date Published: 12 December 1979
PDF: 14 pages
Proc. SPIE 0203, Recent Advances in TV Sensors and Systems, (12 December 1979); doi: 10.1117/12.958134
Show Author Affiliations
Phil M. Salomon, California Institute of Technology (United States)


Published in SPIE Proceedings Vol. 0203:
Recent Advances in TV Sensors and Systems
Charles Freeman, Editor(s)

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