Shock and Vibration / 2016 / Article / Fig 8

Research Article

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

Figure 8

The signals: (a) the real outer race fault signal; (b) the frequency spectrum of the original outer 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)