multi_path.m

OFDM系统仿真

function [ich,qch] = multi_path(signal_in, delay, amp)

len = length(delay);
max_del = max(delay);

signal_out = 10^(amp(1)/10)*[signal_in, zeros(1, max_del)];


for i = 2:len
    signal_out = signal_out + 10^(amp(i)/10)*[zeros(1,delay(i)), signal_in, zeros(1, max_del - delay(i))];
end
ich=real(signal_out);
qch=imag(signal_out);