matlab例程

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Matlab

ray_channell.m：源码内容

							function y=ray_channel(x,T)
tao= [0.0,0.2,0.5,1.6,2.3,5.0];
tao_ord = tao*1e-6;
g = [0.7079+0.4*i,1.0000+i,0.7943+0.3*i,0.5012,0.3981,0.3162];
    tx=-256*T:T:(1024-1)*T;                                                          %tx为未过信道的信号的时间参量
    for j=1:1024
        t=(j-1)*T;                                                                   %t为过信道后的信号的时间参量
        x_ttao=interp1(tx,x,t-tao_ord').';                                           %对x插值获得t-tao时刻的x值
        y(j)=sum(g.*x_ttao);                                                         %由插值获得的20个x值获得过信道后的信号在(j-1)T时刻的值
    end

						