p2s.m

来自「本人编写的ofdm系统中的em信道估计matlab仿真程序」· M 代码 · 共 13 行

function P_dSource = P2S( dSource,subcaNUM) %把信号分散到子载波上

     temp = length(dSource);
     temp1 = mod(temp,subcaNUM);
     if temp1 == 0          
        P_dSource = reshape(dSource,subcaNUM,temp/subcaNUM);
    else
        temp2 = subcaNUM - temp1;
        padd  = dSource(1)*ones(temp2,1);
        dSource_padd = [dSource;padd];
        P_dSource = reshape(dSource_padd,subcaNUM,length(dSource_padd)/subcaNUM);
    end