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Mathematical Problems in Engineering
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2014
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Article
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Tab 1
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Research Article
Fault Detection Enhancement in Rolling Element Bearings via Peak-Based Multiscale Decomposition and Envelope Demodulation
Table 1
Energy distributions of the outer race fault signal’s wavelet coefficients.
Frequency band
Low frequency
High frequency
Energies without PPR
49.31%
50.69%
Energies with PPR
99.9%
0.1%