Fast Spectral Correlation Based on Sparse Representation Self-Learning Dictionary and Its Application in Fault Diagnosis of Rotating Machinery
Figure 9
FSC image and EES of the reconstructed early weak fault signal: (a) FSC image of the reconstructed early weak fault signal by using the learned atoms as shown in Figure 8; (b) EES of the reconstructed early weak fault signal by using the obtained FSC image as shown in Figure 9(a).
