Advances in Acoustics and Vibration / 2016 / Article / Fig 3

Research Article

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

Figure 3

(a) Power spectrum density (PSD) of 3-planet arrangement. (b) Power spectrum density of 4-planet arrangement.
(a)
(b)