1.)overall is the sum of all peaks coming from 0-Fmax e.g. 0-60,000cpm or simply the overall vibration.
2.)synchronous is also called as the 1xrpm, 2xrpm....10xrpm; or hamonics values of 1xrpm.
3.)subsynchronous all peaks located before the 1xrpm.
4.)nonsynchronous or sub-harmonics are peaks...
