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Shock and Vibration
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2019
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Article
/
Fig 12
/
Research Article
Instantaneous Amplitude-Frequency Feature Extraction for Rotor Fault Based on BEMD and Hilbert Transform
Figure 12
The 3D time domain of instantaneous amplitude was made up of (a)
a
x
2
and
a
y
2
and (b)
a
x
3
and
a
y
3
.
(a)
(b)