2fsk信号调制解调频谱的matlab仿真.pdf
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2FSK信号的调制解调与频谱绘制的matlab仿真
a=randint(1,16);
t=0.0001:0.001:1;
inisig=a(ceil(t./(1/15)));
subplot(5,1,1)
plot(t,inisig)
axis([0,1,-1.5,1.5])
title(原信号);
%调制
f1=200;
f2=100;
carrier1=cos(2*pi*f1*t);
carrier2=cos(2*pi*f2*t);
modulation_wave=zeros(1,length(t));
fori=1:l
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