Advances in Acoustics and Vibration / 2016 / Article / Fig 1

Research Article

Vibration Sideband Modulations and Harmonics Separation of a Planetary Helicopter Gearbox with Two Different Configurations

Figure 1

An example of amplitude modulation and sidebands.
(a) Carrier signal
(b) Modulating signal
(c) Modulated signal in time
(d) Modulated signal in frequency domain