How to do FFT analysis?
go to model configuration parameter and select Data Import/Export. Untick the Single simulation output and click on Apply. double tap the scope and go to Logging and select Log data to the workspace and select Structure with Time and click on Apply. double tap Powergui and select FFT Analysis.
What is the use of FFT analysis?
It converts a signal into individual spectral components and thereby provides frequency information about the signal. FFTs are used for fault analysis, quality control, and condition monitoring of machines or systems.