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Non-stationary signal analysis based on general parameterized time--frequency transform and its application in the feature extraction of a rotary machine

Peng ZHOU, Zhike PENG, Shiqian CHEN, Yang YANG, Wenming ZHANG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 2,   Pages 292-300 doi: 10.1007/s11465-017-0443-0

Abstract: non-stationary signal analysis method based on the general parameterized time–frequency transform (GPTFTThe GPTFT is achieved by inserting a rotation operator and a shift operator in the short-time Fourier

Keywords： rotary machines     condition monitoring     fault diagnosis     GPTFT     SCI    

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Non-stationary signal analysis based on general parameterized time--frequency transform and its application in the feature extraction of a rotary machine

Peng ZHOU, Zhike PENG, Shiqian CHEN, Yang YANG, Wenming ZHANG

Journal Article