spreader.m

Rake接收的相关程序

function [sig1,sig2]=spreader(Isymbols,Qsymbols,seq1,seq2,N)

%N=1e3;		        % Number of data bits(bit rate)
fs=40*2e3;		    % Sampling frequency
Fn=fs/2;            % Nyquist frequency
Ts=1/fs;	        % Sampling time = 1/fs
T=1/N;		        % Bit time
randn('state',0);   % Keeps PRBS from changing on reruns
td=[0:Ts:(N*T)-Ts]';% Time vector(data)(transpose)

tiq = [0:Ts*2:(N*T)-Ts]';% Time vector for I and Q symbols(transpose)

%Spreading data by prn sequences
sig1=Isymbols.*seq1;
sig2=Qsymbols.*seq2;
end