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

<div>Vibration signal of the drive end of bearing pedestal measuring point in horizontal direction: (a) time-domain waveform of the vibration signal; (b) EDS of the vibration signal as shown in Figure <a href="../fig11/#a">11(a)</a>.</div>

Complexity

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Figure 11

Figure 11: Fast Spectral Correlation Based on Sparse Representation Self-Learning Dictionary and Its Application in Fault Diagnosis of Rotating Machinery 

Figure 11 | Fast Spectral Correlation Based on Sparse Representation Self-Learning Dictionary and Its Application in Fault Diagnosis of Rotating Machinery 