Optimal SES Selection Based on SVD and Its Application to Incipient Bearing Fault Diagnosis

Figure 8

The start and end of stage II: (a) waveforms of signal at point 700; (b) envelope spectrum of signal at point 700; (c) waveforms of signal at point 535; (d) envelope spectrum of signal at point 535.

(a)

(b)

(c)

(d)