Research Article

Fine-Grained Fault Diagnosis Method of Rolling Bearing Combining Multisynchrosqueezing Transform and Sparse Feature Coding Based on Dictionary Learning

Figure 8

MSST of vibration signals in Figure 7: (a) N, (b) IR7, (c) IR14, (d) IR21, (e) B7, (f) B14, (g) B21, (h) OR7, (i) OR14, and (j) OR21.