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

Hongyan Wu; Jian Wang; Bo Jia

doi:10.1117/1.OE.55.4.046104

8 April 2016 Parametric modeling in distributed optical fiber vibration sensing system for position determination

Hongyan Wu, Jian Wang, Bo Jia

Author Affiliations +

Optical Engineering, Vol. 55, Issue 4, 046104 (April 2016). https://doi.org/10.1117/1.OE.55.4.046104

Abstract

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.

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Hongyan Wu, Jian Wang, and Bo Jia "Parametric modeling in distributed optical fiber vibration sensing system for position determination," Optical Engineering 55(4), 046104 (8 April 2016). https://doi.org/10.1117/1.OE.55.4.046104

Published: 8 April 2016

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