doppler_psd.asv

多径衰落模型的基本建模

clear all


N = 100;
fm = 128;  %unit: 1Hz

deltaf = 2*fm/(N-1);
T = 1/deltaf;
sf0 = 1.5/(pi*fm);
for n = 1:(N-2)/2
    sf(n) = 1.5/(pi*fm*sqrt(1-(n*deltaf/fm)^2));
end

classicf = [fliplr(sf),sf0,sf];

f_Whole=N*(-4095:1:4096)/4096; 
classic_sf = zeros(N-1);
for t=1:(N-1)
    classic_sf(t-(N/2))=classicf(t);
end
figure;
plot(classic_sf);