jens
6d863f0539
git-svn-id: http://moon:8086/svn/matlab/trunk@155 801c6759-fa7c-4059-a304-17956f83a07c
23 lines
366 B
Matlab
Executable File
23 lines
366 B
Matlab
Executable File
function cic_plot(M, N, R)
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% cic_plot(M, N, R)
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ns = 1000;
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f = 2*(1:ns)/ns;
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H = abs(sin(pi*M.*f)./sin(pi.*f/R)).^N;
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subplot(2,1,1)
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plot(f,H);
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xlabel('f / fs');
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ylabel('G');
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grid;
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Gain = (R*M)^N
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BitGrowth = ceil(N*log2(R*M))
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subplot(2,1,2)
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plot(f,20*log10(H/Gain));
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xlabel('f / fs');
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ylabel('A/dB');
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grid;
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Atten_fs2 = 20*log10(H(ns/2)/Gain) |