[1] CHEN J X, GONG H P, JIN Sh Zh. Development and principles of fiber optic intrusion sensor system based on -OTDR[J]. Laser Journal, 2009, 30(6):4-6(in Chinese).
[2] QIN Z G, CHEN L, BAO X Y. Wavelet denosing method for improving detection performance of distributed vibration sensor[J]. IEEE Photonics Technology Letters, 2012, 24(7):542-544.
[3] ZHANG R, JIANG Sh, YAN Q Zh, et al. All fiber perimeter alarm system based on Mach-Zehnder interference[J]. Laser Technology, 2013, 37(3):334-337(in Chinese).
[4] CHEN Sh Zh, LU J Sh, WANG X Y, et al. Study on ocean temperature and depth measurement system based on fiber Bragg grating[J]. Laser Technology, 2010, 34(5):581-583(in Chinese).
[5] LIU B, YANG Y F, NIU W Ch. The characteristic and research status of the fiber fence technology[J]. Photon Technology, 2004, 1(4):208-213(in Chinese).
[6] TAYLOR H F, LEE C E. Apparatus and method for fiber optic intrusion sensing:U S Patent 5194847[P].1993-03-16.
[7] PARK J H, LEE W K, HENRY F. A fiber optic intrusion sensor with the configuration of an optical time domain reflectometer using coherent interference of Rayleigh backscattering[J]. Procceedings of the SPIE, 1998, 3555:49-56.
[8] XIE K L, RAO Y J, RAN Z L. Distributed optical fiber sensing system based of rayleigh scattering light -OTDR using single-mode fiber laser with high power and narrow linewidth[J]. Acta Optica Sinica, 2008, 28(3):569-572(in Chinese).
[9] LU Y L, ZHU T, CHEN L, et al. Distributed vibration sensor based on coherent detection of phase-OTDR[J]. Journal of Lightwave Technology, 2010, 28(22):3243-3249.
[10] HARTOG A H, GOLD M P. On the theory of backscattering in single-mode optical fibers[J]. Journal of Lightwave Technology, 1984, 2(2):76-82.
[11] PENG X F, MA X R, ZHAN Sh G, et al. Effect of beat frequency linetype on measurement of laser linewidth using two independent lasers[J]. Chinese Journal of Lasers, 2011, 38(4):0408002(in Chinese).
[12] KOYAMADA Y, IMAHAMA M, KUBOTA K, et al. Fiber-optic distributed strain and temperature sensing with very high measurand resolution over long range using coherent OTDR[J]. Journal of Lightwave Technology, 2009, 27(9):1142-1146.
[13] YAN B, DONG F Zh, ZHANG X L, et al. Application of pipeline safety real-time monitoring with distributed optical fiber sensing technique based on coherent Rayleigh backscattering[J]. Chinese Journal of Quantum Electronics, 2013, 30(3):341-345.
[14] LU Y L, XING Y W. Investigation on rayleigh scattering waveform in phase optical time domain reflectometer[J]. Acta Optica Sinica, 2011, 31(8):1-5(in Chinese).
[15] ZHANG Z Y, BAO X Y. Distributed vibration sensor based on spectrum analysis of Polarization-OTDR system[J]. Optics Express, 2008, 16(4):10240-10244.