1
$\begingroup$

i've got two questions about the matlab periodogram function:

How can I recover the amplitudes from the periodogram?

fs=100;
fn=fs/2;
L=2^12;
df=fs/L;

t=0:1/fs:(L-1)/fs;
x=1*sin(2*pi*(df*floor(10/df))*t)+2*sin(2*pi*(df*floor(20/df))*t)+3*sin(2*pi*(df*floor(30/df))*t);

periodogram(x,[],L,fs);
$\endgroup$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.