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The design of photoelectric signal processing system for a nuclear magnetic resonance gyroscope based on FPGA
Author(s): Xian Zhang; Binquan Zhou; Hong Li; Xinghua Zhao; Weiwei Mu; Wenfeng Wu
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Paper Abstract

Navigation technology is crucial to the national defense and military, which can realize the measurement of orientation, positioning, attitude and speed for moving object. Inertial navigation is not only autonomous, real-time, continuous, hidden, undisturbed but also no time-limited and environment-limited. The gyroscope is the core component of the inertial navigation system, whose precision and size are the bottleneck of the performance. However, nuclear magnetic resonance gyroscope is characteristic of the advantage of high precision and small size. Nuclear magnetic resonance gyroscope can meet the urgent needs of high-tech weapons and equipment development of new generation. This paper mainly designs a set of photoelectric signal processing system for nuclear magnetic resonance gyroscope based on FPGA, which process and control the information of detecting laser .The photoelectric signal with high frequency carrier is demodulated by in-phase and quadrature demodulation method. Finally, the processing system of photoelectric signal can compensate the residual magnetism of the shielding barrel and provide the information of nuclear magnetic resonance gyroscope angular velocity.

Paper Details

Date Published: 24 October 2017
PDF: 6 pages
Proc. SPIE 10464, AOPC 2017: Fiber Optic Sensing and Optical Communications, 1046411 (24 October 2017); doi: 10.1117/12.2285008
Show Author Affiliations
Xian Zhang, Beihang Univ. (China)
Binquan Zhou, Beihang Univ. (China)
Hong Li, Beihang Univ. (China)
Xinghua Zhao, Beihang Univ. (China)
Weiwei Mu, Beihang Univ. (China)
Wenfeng Wu, Beihang Univ. (China)


Published in SPIE Proceedings Vol. 10464:
AOPC 2017: Fiber Optic Sensing and Optical Communications
Zi-Sen Zhao; Leping Wei; Yanbiao Liao; Weixu Zhang; Desheng Jiang; Wei Wang; Kenneth T. V. Grattan, Editor(s)

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