3 years ago

Fast coarse-fine locating method for φ-OTDR

Huanhuan Liu, Xuanwei Mei, Yuying Shao, Fufei Pang, Tingyun Wang, Guoqin Yu, Tianyu Qian, Longbao Lv, Chengbo Mou
We proposed and demonstrated a coarse-fine method to achieve fast locating of external vibration for the phase-sensitive optical time-domain reflectometer (φ-OTDR) sensing system. Firstly, the acquired backscattered traces from heterodyne coherent φ-OTDR systems are spatially divided ...

Publisher URL: http://www.osapublishing.org/abstract.cfm

DOI: oe-26-3-2659

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