Parametric modeling in distributed optical fiber vibration sensing system for position determination

Wu Hongyan; Wang Jian; Jia Bo

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Parametric modeling in distributed optical fiber vibration sensing system for position determination

机译：Parametric modeling in distributed optical fiber vibration sensing system for position determination

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摘要

Distributed optical fiber vibration sensing system is widely used as a monitoring system in communication cable and pipeline of long distances. When a vibration signal occurs at a particular position along the fiber, the response of the system, in the frequency domain, presents a series of periodic maxima and minima (or null frequencies). These minima depend on the position of the vibration signal along the fiber. Power spectral estimation methods are considered to denoise the power spectrum of the system and determine these minima precisely. The experimental results show higher accuracy of the position using a parametric model with appropriate selection of order p and q than just using fast Fourier transform algorithm. (C) 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)

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来源
《Optical Engineering》 |2016年第4期|046104-1-046104-9|共9页
作者
Wu Hongyan; Wang Jian; Jia Bo;
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作者单位

Fudan Univ, Dept Mat Sci, 220 Handan Rd, Shanghai 200433, Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;光学仪器;
关键词
distributed optical fiber vibration sensor; position determination; parametric modeling;

Parametric modeling in distributed optical fiber vibration sensing system for position determination

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