Analysis of the Interference Signal of the Distributed Optical Fiber Sensing Based on DSP

Tingting Du; Xiong Wan; Zhimin Zhang; Huming Zhang; Qing Zhang

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Analysis of the Interference Signal of the Distributed Optical Fiber Sensing Based on DSP

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摘要

In this paper, the author analyzes characteristics and extracting method of interference signal of the distributed optical fiber sensing. In the distributed optical fiber sensing, realizing alarm and positioning function only through the cross-correlation operation will increase the load of the system, can make misinformation rate of the system be improved greatly. Therefore, before the localization algorithm, adding a interference signal feature recognition is very necessary, can reduce unnecessary operation loss and reduce the load of the system, also reducing the number of the false positives.

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来源
《光学与光子学期刊（英文）》 |2013年第2期|122-125|共4页
作者
Tingting Du; Xiong Wan; Zhimin Zhang; Huming Zhang; Qing Zhang;
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作者单位

1Key Laboratory of Nondestructive Testing(Ministry of Education);

Nanchang Hangkong University;

Nanchang;

Jiangxi;

China 2Key Laboratory of Spatial Active Opto-electronic Techniques;

Shanghai Institute of Technical Physics;

Chinese Academy of Sciences;

Shanghai;

China;

Key Laboratory of Nondestructive Testing(Ministry of Education);

Nanchang Hangkong University;

Nanchang;

Jiangxi;

China;

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原文格式 PDF
正文语种 chi
中图分类自动化技术及设备;
关键词
The; Optical; Fiber; Sensing; Mach-zehnder; Interferometer; Energy; Interference; Signal; Signal; Recognition;

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1. An optimized distributed fiber Bragg grating sensing system based on optical frequency domain reflectometry [J] . Yuewen HAN ,Cheng CHENG . 中国高等学校学术文摘·光电子学 . 2012,第003期
2. Distributed optical fiber perturbation sensing system based on Mach-Zehnder interferometer [J] . Wengang WANG ,Deming LIU ,Hairong LIU . 中国高等学校学术文摘·光电子学 . 2009,第002期
3. Design of distributed Raman temperature sensing system based on single-mode optical fiber [J] . Ziheng XU ,Deming LIU ,Hairong LIU . 中国高等学校学术文摘·光电子学 . 2009,第002期
4. CHARACTERISTIC SPECTRUM RESEARCH IN AE SIGNALS BASED ON WAVELET ANALYSIS [C] . Qing-jun DING ,Lin YANG ,Chun-sheng ZHAO . 第三届全国压电和声波理论及器件技术研讨会 . 2008
5. Optical Coherence Domain Polarimetry(OCDP)Distributed Sensing System [A] . SAADI wahab . 2012

Analysis of the Interference Signal of the Distributed Optical Fiber Sensing Based on DSP

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