Enhancing spatial resolution for BOTDA based on a postprocessing algorithm with nonlinear weight coefficients

Dengwang Zhou; Yongkang Dong

doi:10.1364/OFS.2020.T3.72

Optical Fiber Sensors Conference 2020 Special Edition
OSA Technical Digest (Optica Publishing Group, 2020),
paper T3.72
•https://doi.org/10.1364/OFS.2020.T3.72

Enhancing spatial resolution for BOTDA based on a postprocessing algorithm with nonlinear weight coefficients

Dengwang Zhou and Yongkang Dong

Optical Fiber Sensors 2020

Washington, DC United States
8–12 June 2020
ISBN: 978-1-55752-307-5

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Poster Session I (T3)

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D. Zhou and Y. Dong, "Enhancing spatial resolution for BOTDA based on a postprocessing algorithm with nonlinear weight coefficients," in Optical Fiber Sensors Conference 2020 Special Edition, G. Cranch, A. Wang, M. Digonnet, and P. Dragic, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper T3.72.

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Abstract

Without adding additional hardware, a post-processing algorithm with nonlinear weight coefficients is proposed to enhance the spatial resolution of BOTDA system meanwhile a unique self-averaging method is conducted to denoise the demodulated Brillouin signals.

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