Shock and Vibration / 2020 / Article / Fig 5

Research Article

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

Figure 5

The simulated signal: (a) impulse components , (b) simulated signal , and (c) Hilbert envelope spectrum of .
(a)
(b)
(c)

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