Figure 10
From: Acoustics Based Monitoring and Diagnostics for the Progressive Deterioration of Helical Gearboxes
![Figure 10](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs10033-021-00603-1/MediaObjects/10033_2021_603_Fig10_HTML.png)
Evolution of vibration MSB magnitude peaks with operating time: (a) GB1, (b) GB2
From: Acoustics Based Monitoring and Diagnostics for the Progressive Deterioration of Helical Gearboxes
Evolution of vibration MSB magnitude peaks with operating time: (a) GB1, (b) GB2