关于能量检测BPSK 的matlab仿真代码
于 2022-09-30 发布
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NR=-24:2:-6; q=10.^(SNR/10); b1=["r","g","b","k"]; b2=[":",":",":",":"]; b3=[".","+",">","o"]; n=[512,1024,1024*2,1024*5]; pf=0.1; count=0; for i=1:length(n) r=n(i)+sqrt(2*n(i)).*erfinv(1-pf)*2; for p=1:length(q) for k=1:10000 m=randint(1,n(i),2); %m=rand(1,n(i)); s=dmodce(m,1,1,"psk",2); noise=random("Normal",0,1,1,n(i)); real=q(p).*s+noise; T=sum(abs(real.^2)); if(T>r) count=count+1; end end pd(p)=count/10000; count=0; end plot(SNR,pd,[b1(i) b2(i) b3(i)]) hold on end legen
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