cvso.m

CPSK信号与OOK信号的最佳接收机模拟,画出了各自的性能分析,由于是matlab的初学者,很希望能到这学习交流,希望大家多多指教!

function P = CVSO(X1,X2)
%UNTITLED1 Summary of this function goes here
%  Detailed explanation goes here
SNRindB1=X1:1:X2;
 SNRindB2=X1:0.1:X2;
  for i=1:length(SNRindB1)
    smld_err_prb1(i)=CPSK(SNRindB1(i));
    smld_err_prb2(i)=OOK(SNRindB1(i));
  end
%     echo off;
% 
% echo on;
for j=1:length(SNRindB2)
    SNR=exp(SNRindB2(j)*log(10)/10);
    theo_err_prb1(j)=Qfunct(sqrt(2*SNR));%此处SNR=E/N0
    theo_err_prb2(j)=Qfunct(sqrt(SNR/2));
end
%     echo off;
% 
% echo on;
subplot(1,2,1);
semilogy(SNRindB1,smld_err_prb1,SNRindB1,smld_err_prb2);
subplot(1,2,2);
semilogy(SNRindB2,theo_err_prb1,SNRindB2,theo_err_prb2);