MATLAB Answers

How can I increase the number of Fourier frequencies by adding 500 zeros to the end of the 27-sample-long signal ??

3 views (last 30 days)
James James
James James on 24 Oct 2021
Answered: Image Analyst on 24 Oct 2021
fs = 250;
t = 0:1/fs:0.107;
L = length(t);
x1 = sin(2*pi*50*t)+0.3;
fftx1=fft(x1)
freqHz = (0:1:length(x1)-1)*fs/L;
plot(freqHz,fftx1,'-o')
I have to increase the number of Fourier frequencies by adding 500 zeros to the end of the 27-sample-long signal.

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by