Novel Simple Tool for Extraction of Components in Time-Frequency Domain: Exemplary Applications

摘要

1.Typically, if order analysis of vibration signal is expected, a speedsensor (phase marker) or an encoder are installed on the shaft.rn2.However, insome practical scenarios, the speed information recorded in parallel to thevibration signal acquisition is not available; yet, it is still required.rn3.In thiscase, one is forced to use a raw vibration signal to extract the informationabout so-called instantaneous phase or instantaneous frequency of a selectedcomponent, and –if required –scale to a selected shaft.