Research Article
Instantaneous Amplitude-Frequency Feature Extraction for Rotor Fault Based on BEMD and Hilbert Transform
Figure 17
The instantaneous amplitude and frequency of c2 and c3 from the oil whirl signal obtained by the HT: (a) the instantaneous amplitude of the real part and imaginary part of c2; (b) the instantaneous frequency of the real part and imaginary part of c2; (c) the instantaneous amplitude of the real part and imaginary part of c3; (d) the instantaneous frequency of the real part and imaginary part of c3.
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| (b) |
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