High performance distributed acoustic sensing using dechirp processing

Ji Xiong; Zinan Wang; Zinan Wang; Jialin Jiang; Bing Han; Yunjiang Rao

doi:10.1364/SENSORS.2021.STu1A.4

OSA Optical Sensors and Sensing Congress 2021 (AIS, FTS, HISE, SENSORS, ES)
OSA Technical Digest (Optica Publishing Group, 2021),
paper STu1A.4
•https://doi.org/10.1364/SENSORS.2021.STu1A.4

High performance distributed acoustic sensing using dechirp processing

Ji Xiong, Zinan Wang, Jialin Jiang, Bing Han, and Yunjiang Rao

Optical Sensors 2021

Washington, DC United States
19–23 July 2021
ISBN: 978-1-943580-90-3

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Optical Fiber Sensors IV (STu1A)

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J. Xiong, Z. Wang, J. Jiang, B. Han, and Y. Rao, "High performance distributed acoustic sensing using dechirp processing," in OSA Optical Sensors and Sensing Congress 2021 (AIS, FTS, HISE, SENSORS, ES), S. Buckley, F. Vanier, S. Shi, K. Walker, I. Coddington, S. Paine, K. Lok Chan, W. Moses, S. Qian, P. Pellegrino, F. Vollmer, G. , J. Jágerská, R. Menzies, L. Emmenegger, and J. Westberg, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper STu1A.4.

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Abstract

We reported a novel distributed acoustic sensing system based on dechirp pro- cessing, in which large bandwidth Rayleigh scattering information was acquired, achieving 28.4 cm spatial resolution and 60 µε measurable range.

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