Research Article

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

Figure 7

FSC image and EES of the signal as shown in Figure 6(c): (a) FSC image of the signal as shown in Figure 6(c); (b) EES of the signal as shown in Figure 6(c) by using the obtained FSC image as shown in Figure 7(a); (c) actual fault position of the testing bearing.
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