Complexity / 2020 / Article / Fig 2

Research Article

Fast Spectral Correlation Based on Sparse Representation Self-Learning Dictionary and Its Application in Fault Diagnosis of Rotating Machinery

Figure 2

FSC image and EES of the signal as shown in Figure 1(b): (a) FSC image of the signal as shown in Figure 1(b); (b) EES of the signal as shown in Figure 1(b) by using the obtained FSC image as shown in Figure 2(a).
(a)
(b)

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