rayleigh信道matlab实现

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[mw_shl_code=applescript,true]function [h] = reyleigh(fd,t)
%REYLEIGH 此处显示有关此函数的摘要
%   此处显示详细说明
N=40;

N0=N/4;
Tc = zeros(1,length(t));
Ts = zeros(1,length(t));
P_nor = sqrt(1/N0);
theta = 2*pi*rand(1,1)-pi;
for ii=1:N0
    alfa(ii)=(2*pi*ii-pi+theta)/N;
    fi_tc = 2*pi*(rand(1,1)-1/2);
    fi_ts = 2*pi*rand(1,1)-pi;
    Tc = Tc+cos(cos(alfa(ii))*2*pi*fd*t+fi_tc);
    Ts = Ts+cos(sin(alfa(ii))*2*pi*fd*t+fi_ts);
end

h = P_nor*(Tc+j*Ts);
[/mw_shl_code]