Shock and Vibration / 2018 / Article / Fig 2

Research Article

Joint Amplitude and Frequency Demodulation Analysis Based on Variational Mode Decomposition for Multifault Diagnosis of a Multistage Reducer

Figure 2

Simulation results: (a) time-domain waveform of simulation signal, (b) spectrum of simulation signal, (c) envelope spectrum of simulation signal, (d) time-domain and time-frequency VMD decomposition images, (e) envelope of VIMF1, and (f) envelope of VIMF3.

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.