Spatio-temporal Oversampling-Downsampling Technique for High SNR Fiber Distributed Acoustic Sensing

Hao Li; Cunzheng Fan; Tao Liu; Tao He; Junfeng Chen; Yixiang Sun; Zhijun Yan; Qizhen Sun

doi:10.1364/OFC.2021.W7C.1

Optical Fiber Communication Conference (OFC) 2021
OSA Technical Digest (Optica Publishing Group, 2021),
paper W7C.1
•https://doi.org/10.1364/OFC.2021.W7C.1

Spatio-temporal Oversampling-Downsampling Technique for High SNR Fiber Distributed Acoustic Sensing

Hao Li, Cunzheng Fan, Tao Liu, Tao He, Junfeng Chen, Yixiang Sun, Zhijun Yan, and Qizhen Sun

Optical Fiber Communication Conference 2021

Washington, DC United States
6–11 June 2021
ISBN: 978-1-943580-86-6

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Distributed Fiber Lasing and Sensing (W7C)

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H. Li, C. Fan, T. Liu, T. He, J. Chen, Y. Sun, Z. Yan, and Q. Sun, "Spatio-temporal Oversampling-Downsampling Technique for High SNR Fiber Distributed Acoustic Sensing," in Optical Fiber Communication Conference (OFC) 2021, P. Dong, J. Kani, C. Xie, R. Casellas, C. Cole, and M. Li, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper W7C.1.

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Abstract

A spatio-temporal oversampling-downsampling fiber DAS system is proposed and demonstrated. Without increasing the complexity and cost of the system, the demodulated SNR can be increased by 15dB, and the fading noise can be completely eliminated.

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