Parametric identification of ultrasonic guided wave aliasing modes based on dispersion effect

Yongjun Yang,Jiankang Zhong,Hanling Mao,Tao Yang,Ruixuan Wu,Xinxin Li,Yongchuan Lin

Measurement（2023）

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摘要

•A fixed frequency decomposition model has been constructed.•Adaptive parameters selection of the fixed frequency decomposition model has been achieved.•The parameterized identification of guided wave mixing modes has been achieved.

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关键词

Ultrasonic guided wave,Echo signals,Aliasing modes separation,Parameterized mode identification,Weld defect location

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