High-precision bearing signal recovery based on signal fusion and variable stepsize forward-backward pursuit

Zuozhou Pan,Zong Meng,Ying Zhang,Guangya Zhang,Xuewen Pang

Mechanical Systems and Signal Processing（2021）

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摘要

•Use range of popular random weighted algorithm is expanded.•The speed and reconstruction accuracy of the matching pursuit algorithm is improved.•The problem of excessive backtracking is solved.•Noise component in the signal has been suppressed by the method of signal fusion.

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关键词

Rolling bearings,Signal fusion,Random weighted algorithm,Two-stage matching pursuit,Excessive backtracking

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