biyesheji.m

基于MATLAB的QPSK的误码率,误符号率图示程序.经调试验可行.

SNRindB1=0:2:10;
SNRindB2=0:0.1:10;
for i=1:length(SNRindB1)
    [pb,ps]=cm_sm32(SNRindB1(i));
    smld_bit_err_prb(i)=pb;
    smld_symbol_err_prb(i)=ps;
end;
for i=1:length(SNRindB2)
    SNR=exp(SNRindB2(i)*log(10)/10);
    theo_err_prb(i)=Qfunct(sqrt(2*SNR));
end;
semilogy(SNRindB1,smld_bit_err_prb,'*');
hold on;
semilogy(SNRindB1,smld_symbol_err_prb,'o');
semilogy(SNRindB2,theo_err_prb);
hold off;