Shock and Vibration / 2020 / Article / Fig 12

Research Article

A Feature Extraction Method of Wheelset-Bearing Fault Based on Wavelet Sparse Representation with Adaptive Local Iterative Filtering

Figure 12

The collected outer-race fault signal and its Hilbert envelope spectrum: (a) time-domain waveform and (b) Hilbert envelope spectrum of signal in (a).
(a)
(b)

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