Shock and Vibration / 2020 / Article / Fig 19

Research Article

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

Figure 19

Results obtained by the proposed ALIF-SBAKW: (a–d) IMF1-IMF4, (e) extracted impulses, and (f) Hilbert envelope spectrum of signal in (e).
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