These are a simple function and an example that let you transform your digital signal from time domain to frequency domain only using digital signal and its time step. Although there is a fft function in Matlab, the provided code is more convenient for tyro user.
Sayyed Mohsen Vazirizade (2021). simplefft (https://www.mathworks.com/matlabcentral/fileexchange/56064-simplefft), MATLAB Central File Exchange. Retrieved .
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