[1] Y. J. Rao, J. Luo, Z, L. Ran, J. F. Yue, X. D. Luo, and Z. Zhou, “Long-distance fiber-optic Φ-OTDR intrusion sensing system,” SPIE, 2009, 7503: 1–4.
[2] W. T. Lin, S. Q. Lou, and S. Liang, “Fiber-optic distributed vibration sensor for pipeline pre-alarm,” Applied Mechanics and Materials, 2014, 684: 235–239.
[3] H. J. Wu, Y. Qian, H. Y. Li, S. K. Xiao, Z. Z. Fu, and Y. J. Rao, “Safety monitoring of long distance power transmission cables and oil pipelines with OTDR technology,” in Proceeding of Laser and Electro-optics (CLEO), San Jose, CA, USA, 2015, pp: 1–2.
[4] F. Peng, H. Wu, X. H. Jia, and Z. P. Peng, “Ultra-long high-sensitivity Φ-OTDR for high spatial resolution intrusion detection of pipelines,” Optics Express, 2014, 22(11): 13804–13810.
[5] H. J. Wu, X. Y. Li, Z. P. Peng, and Y. J. Rao, “A novel intrusion signal processing method for phase-sensitive optical time-domain reflectometry (Φ-OTDR),” SPIE, 2014, 9157: 9157O-1–9157O-4.
[6] H. J. Wu, S. K. Xiao, X. Y. Li, Z. N. Wang, J. W. Xu, and Y. J. Rao, “Separation and determination of the disturbing signals in phase-sensitive optical time domain reflectometry (Φ-OTDR),” Journal of Lightwave Technology, 2015, 33(15): 3156–3162.
[7] Z. G. Qin, L. Chen, and X. Y. Bao, “Wavelet denoising method for improving detection performance of distributed vibration sensor,” IEEE Photonics Technology Letters, 2012, 24(7): 542–544.
[8] Q. Li, C. X. Zhang, and C. S. Li, “Fiber-optic distributed sensor based on phase-sensitive OTDR and wavelet packet transform for multiple disturbances location,” Optik, 2014, 125(24): 7235–7238.
[9] H. M. Yue, B. Zhang, Y. X. Wu, B. Y. Zhao, J. F. Li, J. H. Ou, et al., “Simultaneous and signal-to-noise ratio enhancement extraction of vibration location and frequency information in phase-sensitive optical time domain reflectometry distributed sensing system,” Optical Engineering, 2015, 54(4): 047101-1– 047101-6.
[10] Z. Y. Wang, Z. Q. Pan, Q. Y. Qing, B. Lu, Z. J. Fang, H. W. Cai, et al., “Novel distributed passive vehicle tracking technology using phase sensitive optical time domain reflectometer,” Chinese Optics Letters, 2015, 13(10): 30–34.
[11] B. Asgarian, V. Aghaeidoost, and H. R. Shokrgozar, “Damage detection of jacket type offshore platforms using rate of signal energy using wavelet packet transform,” Marine Structures, 2015, 45: 1–21.
[12] A. B. Meng, J. F. Ge, H. Yin, and S. Z. Chen, “Wind speed forecasting based on wavelet packet decomposition and artificial neural networks trained by crisscross optimization algorithm,” Energy Conversion and Management, 2016, 114: 75–88.