An Adaptive Graph Morlet Wavelet Transform for Railway Wayside Acoustic Detection

Dingcheng Zhang,Min Xie,Moussa Hamadache,Mani Entezami,Edward Stewart

Journal of Sound and Vibration（2022）

引用 10|浏览6

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摘要

•An AGMWT method is proposed for wayside acoustic detection.•The adaptive parameter selection method is proposed in AGMWT.•A novel wavelet coefficient shrinkage method is proposed in AGMWT.•Experiments are conducted to show effectiveness and advantages of AGMWT.

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关键词

Railway,Train axle bearing,Wayside acoustic detection,Spectral graph theory,Graph wavelet transform

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