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《Journal of Northern Jiaotong University》 2003-06
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Study of Extracting Information from Distributed Optical Fiber Sensing System Based on P-OTDR

DONG Xian_zi1, WU Chong_qing1, FU Song_nian2, HE Na1 (1.School of Sciences; 2.School of Electronics and Information Engineering, Beijing JiaoTong University, Beijing 100044,China)  
This paper first introduced the distributed sensing principle of the polarization sensitive optical time_domain reflectometer(P_OTDR). On this basis, we investigated two methods for the extraction of the state of polarization(SOP) evolution from the tested backscattered signal in detail. The analysis results show that both the digital average and deconvolution could be used for enhancing the Signal_to_Noise ratio (SNR) and system spatial resolution. The methods can be applied to a real distributed fiber optical sensor system.
【Fund】: 国家自然科学基金资助项目(60272010)
【CateGory Index】: O439
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1 SUN Qi-zhen1,LIU De-ming1,WANG Jian1,2(1.School of Optoelectronic Science and Engineering,Huazhong University of Science and Technology,Wuhan 430074,CHN;2.Wuhan National Laboratory for Optoelectronics,Wuhan,430074 CHN);Recent Progress in Distributed Optical Fiber Stress Sensor[J];Semiconductor Optoelectronics;2007-01
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4 LI Jian-zhong1,RAO Yun-jiang2,RAN Zeng-ling2 (1 Institute of Fluid Physics,China Academy of Engineering Physics,Mianyang,Sichuan 621900,China) (2 Key Lab of Broadband Optical Fiber Transmission & Communication Networks,University of Electronic and Science Technology of China,Chengdu 610054,China);Distributed Fiber-optic Intrusion Sensor System Based on POTDR[J];Acta Photonica Sinica;2009-11
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1 Liu Haitao,Wu Chongqing,Fu Songnian,Dong Hui (Northern Jiaotong University Beijing);The Unstability Of Fiber Polarization Mode Dispersion[J];Optical Communication Technology;2003-03
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