Research Article
Fault Detection and Behavior Analysis of Wheelset Bearing Using Adaptive Convolutional Sparse Coding Technique Combined with Bandwidth Optimization
Figure 9
(a) The simulation signal (blue line) and sparse reconstruction signal (red line); (b) the spectrums of simulation signal, shock response 1 and shock response 2; (c) shock response 1 learned from signal; and (d) shock response 2 learned from signal.
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