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Proceedings Paper

Signal processing schemes for open-loop optical fiber gyroscopes
Author(s): Shigeru Oho; Hisao Sonobe; Takao Sasayama; Hiroshi Kajioka; Tatsuya Kumagai
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Paper Abstract

Open-loop signal processing techniques for a phase-modulated optical fiber gyroscope are discussed and classified according to sampling or non-sampling, frequency- or time-domain, and real or equivalent time schemes. A duality theory between frequency and time for the gyroscope signal is developed. The rotation rate supplied to the gyroscope is detected from both the frequency and time signals. As examples of equivalent time signal processing, down sampling and pulse modulation techniques are proposed.

Paper Details

Date Published: 1 February 1992
PDF: 13 pages
Proc. SPIE 1585, Fiber Optic Gyros: 15th Anniversary Conf, (1 February 1992); doi: 10.1117/12.135051
Show Author Affiliations
Shigeru Oho, Hitachi Research Lab. (Japan)
Hisao Sonobe, Hitachi Research Lab. (Japan)
Takao Sasayama, Hitachi Research Lab. (Japan)
Hiroshi Kajioka, Hitachi Cable, Ltd. (Japan)
Tatsuya Kumagai, Hitachi Cable, Ltd. (Japan)

Published in SPIE Proceedings Vol. 1585:
Fiber Optic Gyros: 15th Anniversary Conf

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