main.m

带汉明码的直接序列变换DSSS

Lc=20;     
 
A1=3;     
A2=7;       
A3=12;       
A4=0;       
w0=1;       
snr_in_dB=1:2:30;
for i=1:length(snr_in_dB)
    smld_err_prb1(i)=ss_Pe(snr_in_dB(i),Lc,A1,w0);
    smld_err_prb2(i)=ss_Pe(snr_in_dB(i),Lc,A2,w0);
    smld_err_prb3(i)=ss_Pe(snr_in_dB(i),Lc,A3,w0);
end
SNRindB4=0:1:8;
for i=1:length(SNRindB4)
    smld_err_prb4(i)=ss_Pe(SNRindB4(i),Lc,A4,w0);
end
%semilogy(snr_in_dB,smld_err_prb1,'-bo',snr_in_dB,smld_err_prb2,'-r+',snr_in_dB,smld_err_prb3,'-g*',SNRindB4,smld_err_prb4,'-ys');
semilogy(snr_in_dB,smld_err_prb1,'*-',snr_in_dB,smld_err_prb2,'o-');
hold on;
semilogy(snr_in_dB,smld_err_prb3,'v-',SNRindB4,smld_err_prb4,'+-');