2fsk.m

提供了使用matlab仿真2FSK误码率的源程序

M=2;
k=log2(M);
EbNo=5;
Fs=16; 
N=Fs;
nsamp=17;
freqsep=8;
msg=randint(5000,1,M);
txsig=fskmod(msg,M,freqsep,nsamp,Fs);
msg_rx=awgn(txsig,EbNo+10*log10(k)-10*log10(N), ... 
    measured,dB);
msg_rrx=fskdemod(msg_rx,M,freqsep,nsamp,Fs);
[num,SER]=symerr(msg,msg_rrx);
BER=SER*(M/2)/(M-1);
BER_theory=berawgn(EbNo,fsk,M,coherence);