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Dynamic Range of PGC Demodulation Technology in Fiber-Optic Hydrophone System

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2020 International Conference on Applications and Techniques in Cyber Intelligence (ATCI 2020)

Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 1244))

Abstract

Starting with the principle of PGC demodulation and the spectrum analysis of input and output signals of LPF, the frequency characteristics of LPF are deeply studied in this paper. The necessity of sharp cut-off characteristics and linear phase of LPF is proved by simulation experiments. A method of optimizing cut-off frequency is proposed. By using this method, the cut-off frequency can be selected and the PGC solution can be significantly improved. Adjust the dynamic range of the system.

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Correspondence to Yong Zhang .

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Zhang, Y., Gao, M., Wang, H. (2021). Dynamic Range of PGC Demodulation Technology in Fiber-Optic Hydrophone System. In: Abawajy, J., Choo, KK., Xu, Z., Atiquzzaman, M. (eds) 2020 International Conference on Applications and Techniques in Cyber Intelligence. ATCI 2020. Advances in Intelligent Systems and Computing, vol 1244. Springer, Cham. https://doi.org/10.1007/978-3-030-53980-1_32

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