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QPSK基带调制高斯白噪声调制解调

于 2022-02-20 发布 文件大小:28.90 kB
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代码说明:

M=4;K=2;out=randi([0,M-1],1e6,1);mod=modem.pskmod(M,pi/M);ranmod=modulate(mod,out);demod=modem.pskdemod(mod);BER_P = []; for ebno=0:12    ynoise = awgn(ranmod,ebno,"measured");    Fdemod=demodulate(demod,ynoise);   numberbit=biterr(out,Fdemod);    BER_P=[BER_P,numberbit/1e6];endebno = 0:12;BER_T=berawgn(ebno,"psk",M,"nondiff");

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