FFT DEMO

App for demonstrating the effect of change in the resolution of FFT

This app demonstrates the effect of change in FFT resolution both in time domain as well as frequency domain. The user can create a signal by mixing three sinusoidal sine waves with different frequencies and amplitudes. After selecting the value of N for the corresponding N-point FFT , the results can be examined graphically in frequency as well as time domains. Effect of aliasing effect can also be observed.

Currently supports only 480 x 800 display resolution.

Usage:

1.Select the value of N

2.Modify the sinusoidal signal parameters

3.Click on COMPUTE button

4. Click on GRAPHIC button ( Note: GRAPHIC button is enabled only after FFT computations are over)