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

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Author(s): Tingting Du | Xiong Wan | Zhimin Zhang | Huming Zhang | Qing Zhang

Journal: Optics and Photonics Journal
ISSN 2160-8881

Volume: 03;
Issue: 02;
Start page: 122;
Date: 2013;
Original page

Keywords: The Optical Fiber Sensing | Mach-zehnder Interferometer | Energy | Interference Signal | Signal Recognition

ABSTRACT
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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