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Conferences > ACP > 2010 > PSV > 79900H

Signal processing of Sagnac fiber interferometer used as distributed sensor with wavelets

Yan Liu, Jun Jia, Pei-lin Tao, Guo-lu yin, Zhong-wei Tan, Wen-hua Ren, and Shui-sheng Jian

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Abstract

Signal processing is studied for Sagnac fiber distributed sensors. Wavelet de-noising and wavelet decomposition are comparatively used to analyze signals in frequency domain to give smoothed frequency spectra, based on which null frequencies of the spectra are found more accurately. The analysis is helpful to more accurately locate the disturbance.

© 2010 Optical Society of America

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