Application of BOTDR in Railway Fence Intrusion Detecting System

Cen Gao; Feng Wang; Cun Lei Li

doi:10.4028/www.scientific.net/AMM.71-78.4278

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 71-78Application of BOTDR in Railway Fence Intrusion...

Application of BOTDR in Railway Fence Intrusion Detecting System

Abstract:

The main purpose of railway fence monitoring is to prevent people and livestock impact, cross or damage the railway fence and avoid accidents. Fiber fence technique is a new type of perimeter intrusion sensor, which was developed in the 1990s’. It has overcome many drawbacks of the traditional perimeter intrusion sensor, and realized long distance, distributed, high sensitivity, high location accuracy, low false alarm rate perimeter intrusion sensing. This article proposed a railway fence monitoring system based on BOTDR(Brillouin Optical Time Doman Reflectometer), the response time of this system is 10s, the detection range is 5km, and the location accuracy is 2m within this range.

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Periodical:

Applied Mechanics and Materials (Volumes 71-78)

Pages:

4278-4281

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.71-78.4278

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Online since:

July 2011

Authors:

Cen Gao, Feng Wang, Cun Lei Li

Keywords:

BOTDR, Fiber Fence, Sensing Cable

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