A Linear Correcting Algorithm for Improving Space Resolution of Distributed Optical Fiber Raman Temperature Measurement System

NING Feng; ZHU Yong; CUI Hai-jun; LI Xiao-qin; JIN Zhong-xie

doi:10.3788/gzxb20124104.0408

[1] ZHANG Zai-xuan, WANG Jiang-feng, LIU Hong-lin, et al. Experiment research of 30 km long distance distributed optical fiber raman temperature sensor system［J］. Chinese Journal of Laser, 2004, 31(5): 613-614.

[2] YU Xiang-dong, Zhang Zai-xuan, ZHU Hai-zhong, et al. An intelligent temperature compensating circuit for distributed optical fiber raman temperature sensor［J］. Acta Photonica Sinica, 2011, 40(12): 1870-1871.

[3] ZHEN Yan-ling, YI Tao, ZHANG Guan-jun, et al. On-line temperature monitoring of 10 kV underground cables-in-pipe row based on distributed optical fiber sensing technology［J］. High Voltage Apparatus, 2010, 46(11): 49-50.

[4] WU Yong-hong, Su HUAI-zhi, XU Hong-zhong, et al. Study on multi-plexing capability of huge concrete dam crack distributed Fiber optic monitoring［J］ Acta Photonica Sinica, 2007, 36(4): 722-725.

[5] SUN Guo-shan, HOU Si-zu, CHEN Chao. Raman optical fiber temperature measurement principle and application in power system［J］.Electric PowerScience and gineering, 2010, 3(5): 26-29.

[6] ZHANG Zai-xuan,WANG Jiang-feng, LIU Hong-lin, et al. Experiment research of 30 km long distance distributed optical fiber raman temperature sensor system［J］. Chinese Journal of Laser, 2004, 31(5): 613-614.

[9] ZHANG Zai-xuan, WANG Jian-feng, YU Xiang-dong, et al. The research of raman type ditributed optical fiber temperature measuring method［J］. Journal of Optoelectronics·Laser, 2001, 12(6): 597-598.

[10] ZHANG Lei, FENG Xue, ZHANG Wei, et al. Fiber raman distributed temperature sensor based on the light source with adjustable pulsewidth［J］. Acta Photonica Sinica, 2009, 10(38): 2584-2586.

[11] PALAIS J C. Fiber optic communications［M］. 4th ed. New Jersey: Prentice Hall, 1998: 274-277.

[12] YU Ming-fei, CHEN Xiao-jun. Study of temperature resolution of distributed raman optical fiber temperature sensor［J］.Chinese Journal of Scientific Instrument,2007, 28(4): 475-476.

[13] BOLOGNINI G, PARK J, SOTO M A, et al. Analysis of distributed temperature sensing based on Raman scattering using OTDR coding and discrete Raman amplification［J］. Measurement Science and Technology, 2007, 18(32): 3213-3214.

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