How to fft binary amplitude shift keying?
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I make bask in time domain. But I don't know do fft of bask. I wanna know the code
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Answers (1)
Priyank Pandey
on 15 May 2023
Hi,
To perform the FFT of a BASK signal in the time domain in MATLAB, you can follow these steps:
1.Use the fft function in MATLAB to compute the FFT of the BASK signal.
N = length(BASK);
fft_signal = fft(BASK, N);
The output of the fft function will be a complex-valued array representing the frequency spectrum of the BASK signal.
2. Plot the frequency spectrum: To visualize the frequency spectrum, you can plot the magnitude or power spectrum using the plot function.
f = (0:N-1) / N; % Frequency vector
P = abs(fft_signal); % Magnitude spectrum
plot(f, P);
xlabel('Frequency');
ylabel('Magnitude');
This will plot the magnitude spectrum of the BASK signal, showing the amplitudes at different frequencies
To know more about fft function you can refer to the following link:
I hope this helps.
Regards
Priyank
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