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Shock and Vibration
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Shock and Vibration
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2018
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Article
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Fig 2
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Research Article
An Improved Time-Frequency Analysis Method for Instantaneous Frequency Estimation of Rolling Bearing
Figure 2
Signal decomposition comparison: (a) waveforms and spectrums of VMD; (b) waveforms and spectrums of EMD.
(a)
(b)