Signal extraction method based on spectral processing for a dual-channel SMI vibration sensor

Shize Ge, Yunxiu Lin,Hanqiao Chen,Xinyu Kong,Desheng Zhu,Zhipeng Dong,XiuLin Wang,Wencai Huang

Optics and Lasers in Engineering（2023）

引用 5|浏览12

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摘要

•Dual-target motion monitoring with one single laser.•Spectral processing based on short-time Fourier transform.•Energy reallocation of each channel based on pre-feedback structure.•Two vibrations extraction of adjacent frequencies.

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关键词

Self-mixing,Dual-channel sensor,Time-frequency joint analysis,Spectral processing

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