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Status Accepted
journal_subject Part A
Article Type Regular Paper (More than 4 pages)
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Article Title Performance Evaluation of Complex-valued Wavelet Basis on Vibration Analysis for Bearing Defect Diagnosis
Keywords Wavelet Transform, Wavelet Basis, Cross-correlation Measure, Defect Diagnosis.
Abstract This paper presents a quantitative approach to evaluating the performance of complex-valued wavelet basis on vibration analysis of rolling bearings, using the cross-correlation measure. As a statistical tool for quantifying the relationship between two time series, cross-correlation analysis characterizes the performance of different wavelet bases in analyzing non-stationary time series, such as vibration signals. Theoretical foundation of using cross-correlation measure for evaluating wavelet basis is described, and experimental study has verified that the cross-correlation measure provides quantitative guidance to selecting wavelet basis for improved performance in defect diagnosis of rolling bearings.
First Name Middle Name Last Name E-Mail Corresponding
Ruqiang Yan Yes
Robert X Gao No
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