Displaying Adjusted Frequencies of signal with Fast Fourier transform

In this tutorial, I will show you how to get Fast Fourier transform of a signal and then correctly display the signal. Link to the code in my Github repository.

 

Signal in time domain

 

Getting Fourier transform of the signal:

The signal in frequency domain (Bins)

 

The signal in frequency domain consists of 60Hz and 120Hz.

 

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