A Fault Diagnosis Method for One-Dimensional Vibration Signal Based on Multiresolution tlsDMD and Approximate Entropy

Figure 13

The frequency domain diagram of multiresolution DMD modes of the outer race fault signal, where (a)–(h) are corresponding to signals in Figure 9, respectively.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)