jens
ca31e66851
git-svn-id: http://moon:8086/svn/matlab/trunk@31 801c6759-fa7c-4059-a304-17956f83a07c
10 lines
370 B
Matlab
10 lines
370 B
Matlab
function [p Nt wng] = txwin_eval(Nu, Ng, Alpha)
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Nfft = Nu; % FFT size
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CP = Ng; % Nb. samples in Cyclic Prefix
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%Alpha = 1/32; % RX Alpha
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Nt = 2*round(Nfft*Alpha/2); % Nb. samples in taper region
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p = 1/2*(1+cos(pi*[-Nt+1/2:Nt-1/2]/Nt)); % Raised-Cosine in TD
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p = [p(1:Nt), ones(1,Nfft+CP-Nt), p(Nt+1:2*Nt)]; % Add ones in middle
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wng = [p(1:Nt), ones(1, Ng-Nt)]; |