Signal processing schemes for open-loop optical fiber gyroscopes

Shigeru Oho; Hisao Sonobe; Takao Sasayama; Hiroshi Kajioka; Tatsuya Kumagai

doi:10.1117/12.135051

1 February 1992 Signal processing schemes for open-loop optical fiber gyroscopes

Shigeru Oho, Hisao Sonobe, Takao Sasayama, Hiroshi Kajioka, Tatsuya Kumagai

Proceedings Volume 1585, Fiber Optic Gyros: 15th Anniversary Conf; (1992) https://doi.org/10.1117/12.135051
Event: OE Fiber, 1991, Boston, MA, United States

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.

Citation Download Citation

Shigeru Oho, Hisao Sonobe, Takao Sasayama, Hiroshi Kajioka, and Tatsuya Kumagai "Signal processing schemes for open-loop optical fiber gyroscopes", Proc. SPIE 1585, Fiber Optic Gyros: 15th Anniversary Conf, (1 February 1992); https://doi.org/10.1117/12.135051

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