Complexity / 2020 / Article / Fig 9

Research Article

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).
(a)
(b)

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