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rf=55/2048;
f=rf*16 % relativ freq = f/Fs
s=1.1+(sin( 2*pi*rf*(1:2048+16)));
S=log(s);
count=1;
for i=1:16:2048
S1(count)=S(i);
S2(count)=1/2*sum( S(i:i+1) );
count=count+1;
end
out1=20*log10(1E-3 + abs(fft(exp(S1))) ); out2=20*log10( 1E-3 + abs(fft(exp(S2))));
plot(1:length(out1), out1, 1:length(out1), out2);
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