modtion1.m

伪随机码

function [sin1,sin5k]=modtion1(pn1,tb1,tb2,tb3,fs2,fs3)%载波调制
N1=length(pn1);
t1=0:tb3:tb3*(N1-1);
sin1=sin(2*pi*fs2*t1);
%  figure;plot(10*log10(abs(fft(sin1(1:1.6e4)))));
sin5k = sin1;
sin1=sin1.*pn1;