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Shock and Vibration
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Shock and Vibration
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2020
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Article
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Fig 13
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Research Article
A Novel Deep Sparse Filtering Method for Intelligent Fault Diagnosis by Acoustic Signal Processing
Figure 13
First two dimensions of learned features of the four methods: (a) SF, (b) L1-SF, (c) L2-SF, and (d) DSF.
(a)
(b)
(c)
(d)