Shock and Vibration / 2020 / Article / Fig 17

Research Article

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

Figure 17

Results obtained by fast kurtogram: (a) kurtogram, (b) extracted signal, and (c) Hilbert envelope spectrum of signal in (b).
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(b)
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