Shock and Vibration / 2016 / Article / Fig 12

Research Article

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

Figure 12

The signals: (a) the real inner race fault signal; (b) the frequency spectrum of the real inner race fault signal; (c) the frequency spectrum of the optimal complex Morlet wavelet; and (d) the frequency spectrum of the filtered signal.
(a)
(b)
(c)
(d)