Sparse Signal Representations of Bearing Fault Signals for Exhibiting Bearing Fault Features

<div>The signals obtained by the optimal complex Morlet filtering: (a) the real part of the filtered signal; (b) the power spectrum of envelope of the filtered signal.</div>

Shock and Vibration

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Figure 9

Figure 9: Sparse Signal Representations of Bearing Fault Signals for Exhibiting Bearing Fault Features 