Accurate Recognition of Mixed Events Using Two-dimensional Time-frequency Domain Feature and Data Augmentation for Phase-OTDR Sensing System

Yiyi Zhou,Shang Liu,Liang Wang,Ming Tang,Deming Liu,Jiang Mi,Ling Wan

2022 ASIA COMMUNICATIONS AND PHOTONICS CONFERENCE, ACP（2022）

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摘要

Mixed events happening at the same location have been successfully identified for the first time by using two-dimensional time-frequency domain feature and data augmentation in phase-OTDR. Identification of three kinds of events and their arbitrary mixtures have been achieved with an average accuracy of 92%.

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关键词

Phase-sensitive optical time domain reflectometry,event classification,data augmentation,convolutional neural network

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