Denoising method based on VMD-PCC in φ-OTDR system

Bangning Mao,Zehua Bu,Ben Xu,Huaping Gong,Yi Li,Hailong Wang,Juan Kang,Shangzhong Jin,Chunliu Zhao

OPTICAL FIBER TECHNOLOGY（2022）

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摘要

•Application of VMD and PCC in φ-OTDR system.Comparison of VMD and wavelet decomposition, EMD, EEMD and CEEMD in φ-OTDR system.•Signal reconstruction with VMD and PCC.Single frequency, multi-point, and multi-frequency performance in φ-OTDR system.

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关键词

Signal-to-noise ratio,Phase-sensitive optical time domain reflectometry,Variational mode decomposition,I/Q demodulation,Pearson correlation coefficient

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