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Proceedings Paper

Signal processing of Sagnac fiber interferometer used as distributed sensor with wavelets
Author(s): Yan Liu; Jun Jia; Pei-lin Tao; Guo-lu Yin; Zhong-wei Tan; Wen-hua Ren; Shui-sheng Jian
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Paper 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.

Paper Details

Date Published: 3 January 2011
PDF: 6 pages
Proc. SPIE 7990, Optical Sensors and Biophotonics II, 79900H (3 January 2011); doi: 10.1117/12.888590
Show Author Affiliations
Yan Liu, Beijing Jiaotong Univ. (China)
Jun Jia, Beijing Jiaotong Univ. (China)
Pei-lin Tao, Beijing Jiaotong Univ. (China)
Guo-lu Yin, Beijing Jiaotong Univ. (China)
Zhong-wei Tan, Beijing Jiaotong Univ. (China)
Wen-hua Ren, Beijing Jiaotong Univ. (China)
Shui-sheng Jian, Beijing Jiaotong Univ. (China)

Published in SPIE Proceedings Vol. 7990:
Optical Sensors and Biophotonics II
Qingming Luo; Frank Chuang; Stefan Haacke; Chih-Chung Yang, Editor(s)

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