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

Figure 10

The squared envelope spectrums of first four ASCs: (a) the squared envelope spectrum of 1st ASC; (b) the squared envelope spectrum of 2nd ASC; (c) the squared envelope spectrum of 3rd ASC; (d) the squared envelope spectrum of 4th ASC.

(a)

(b)

(c)

(d)