snrindb.m

以cos（2*pi*k*t/N）信号空间

clear;
echo on; 
SNRindB11=0:2:10;
N=10000;
for  i=1:length(SNRindB11),
    x=cputime;
    smld_err_prb4(i)=Pe4(N,SNRindB11(i));
     %smld_err_prb4(i)=Pe8(N,SNRindB11(i));
    x1=cputime-x
end;
echo on;
%semilogy(SNRindB11, smld_err_prb4,'-*');
semilogy(SNRindB11, smld_err_prb4,'*');
grid on;
hold on;