Instantaneous Amplitude-Frequency Feature Extraction for Rotor Fault Based on BEMD and Hilbert Transform

<div>The results of the composite fault signal <i>z</i> based on SWT: the time-frequency representation of (a) the real part of <i>z</i> and (b) the imaginary part of <i>z</i>.</div>

Shock and Vibration

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Figure 22

Figure 22: Instantaneous Amplitude-Frequency Feature Extraction for Rotor Fault Based on BEMD and Hilbert Transform 