?? spreader.m
字號:
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
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