A Novel Fault Diagnosis Approach for Rolling Bearing Based on CWT and Adaptive Sparse Representation

<div>Simulation results: (a) periodic impulse signal; (b) envelope spectrum of periodic impulse signal; (c) mixed signal; (d) envelope spectrum of mixed signal; (e) extracted signal by proposed method; (f) envelope spectrum of extracted signal.</div>

Shock and Vibration

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Figure 3

Figure 3: A Novel Fault Diagnosis Approach for Rolling Bearing Based on CWT and Adaptive Sparse Representation 