Fault Detection of a Wheelset Bearing Based on Appropriately Sparse Impulse Extraction

<div>The extracted impulse related to atom 1: (a) by proposed appropriately sparse impulse extraction; (b) three other indicators; (c) the envelope spectra of (a).</div>

Shock and Vibration

fig21

Figure 21

Figure 21: Fault Detection of a Wheelset Bearing Based on Appropriately Sparse Impulse Extraction 