Research Article

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

Figure 8

The orbits made up of (a) the real and imaginary parts of c2, (b) real and imaginary parts of c3, (c) IMFx2 and IMFy2, and (d) IMFx3 and IMFy3.
(a)
(b)
(c)
(d)