Sparsity-Oriented Nonconvex Nonseparable Regularization for Rolling Bearing Compound Fault under Noisy Environment

<div>Low-quality factor components and their envelope spectra. (a) Low-quality factor component waveform. (b) Low-quality factor component envelope spectrum.</div>

Shock and Vibration

fig12

Figure 12

Figure 12: Sparsity-Oriented Nonconvex Nonseparable Regularization for Rolling Bearing Compound Fault under Noisy Environment 