Traditional Culture Encyclopedia - Traditional customs - What does the vertical axis of the spectrogram obtained by FFT transform represent
What does the vertical axis of the spectrogram obtained by FFT transform represent
The horizontal coordinate represents the frequency and the vertical coordinate represents the amplitude, for example:
y=fft(x);
f=(0:length(x)-1)*N/length(x);
plot(f,abs(y));
I hope this helps, if you have any questions you can keep asking me
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