Continuous wavelet transform for non-stationary vibration detection with phase-OTDR

Optics Express

Volumn 20, Issue 18, 2012, Pages 20459-20465

  Qin, Zengguang ^a   Chen, Liang ^a   Bao, Xiaoyi ^a  

^a UNIVERSITY OF OTTAWA   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

SIGNAL PROCESSING; SINGLE MODE FIBERS; VIBRATION MEASUREMENT;

CONTINUOUS WAVELET TRANSFORM; DETECTION METHODS; FIBER LENGTH; FREQUENCY EVOLUTION; GLOBAL WAVELET SPECTRUMS; NON-STATIONARY VIBRATION; OPTICAL TIME DOMAIN REFLECTOMETRY; SIGNAL PROCESSING ALGORITHMS; TIME INFORMATION; VIBRATION SENSORS; WAVELET RIDGE;

WAVELET TRANSFORMS;

ARTICLE; EQUIPMENT DESIGN; EQUIPMENT FAILURE ANALYSIS; FIBER OPTICS; INSTRUMENTATION; PHOTOMETRY; TRANSDUCER; VIBRATION; WAVELET ANALYSIS;

EQUIPMENT DESIGN; EQUIPMENT FAILURE ANALYSIS; FIBER OPTIC TECHNOLOGY; PHOTOMETRY; TRANSDUCERS; VIBRATION; WAVELET ANALYSIS;

EID: 84865728710     PISSN: None     EISSN: 10944087     Source Type: Journal    
DOI: 10.1364/OE.20.020459     Document Type: Article

References (14)

1. A. J. Rogers, "Polarization-optical time domain reflectometry: A technique for the measurement of field distributions," Appl. Opt. 20(6), 1060-1074 (1981).
2. Z. Zhang and X. Bao, "Distributed optical fiber vibration sensor based on spectrum analysis of Polarization-OTDR system," Opt. Express 16(14), 10240-10247 (2008).
3. E. Udd, "Sagnac distributed sensors concepts," Proc. SPIE 1586, 46-52 (1992).
4. S. J. Russell, K. R. C. Brady, and J. P. Dakin, "Real-time location of multiple time-varying strain disturbances, acting over a 40-km fiber section, using a novel dual-Sagnac interferometer," J. Lightwave Technol. 19(2), 205-213 (2001).
5. Q. Sun, D. Liu, J. Wang, and H. Liu, "Distributed fiber-optic vibration sensor using a ring Mach-Zehnder interferometer," Opt. Commun. 281(6), 1538-1544 (2008).
6. P. Addison, J. Walker, and R. Guido, "Time frequency analysis of biosignals," IEEE Eng. Med. Biol. Mag. 28(5), 14-29 (2009).
7. F. Al-Badour, M. Sunar, and L. Cheded, "Vibration analysis of rotating machinery using time-frequency analysis and wavelet techniques," Mech. Syst. Signal Process. 25(6), 2083-2101 (2011).
8. S. Mallat, A Wavelet Tour of Signal Processing, Second Edition (Academic Press, 1999).
9. Y. L. Lu, T. Zhu, L. A. Chen, and X. Y. Bao, "Distributed vibration sensor based on coherent detection of phase-OTDR," J. Lightwave Technol. 28, 3243-3249 (2010).
10. J. C. Juarez, E. W. Maier, K. N. Choi, and H. F. Taylor, "Distributed fiber-optic intrusion sensor system," J. Lightwave Technol. 23(6), 2081-2087 (2005).
11. Z. Qin, T. Zhu, L. Chen, and X. Bao, "High sensitivity distributed vibration sensor based on polarization-maintaining configurations of phase-OTDR," IEEE Photon. Technol. Lett. 23(15), 1091-1093 (2011).
12. P. Healey, "Fading in heterodyne OTDR," Electron. Lett. 20(1), 30-32 (1984).
13. Z. Qin, L. Chen, and X. Bao, "Wavelet denoising method for improving detection performance of distributed vibration sensor," IEEE Photon. Technol. Lett. 24(7), 542-544 (2012).
14. W. Li, X. Bao, Y. Li, and L. Chen, "Differential pulse-width pair BOTDA for high spatial resolution sensing," Opt. Express 16(26), 21616-21625 (2008).