cap100baset4.m

《Home Networking Basis》（《家庭网络基础》）的配套MATLAB源代码。包括了以太网和无线以太网等模型。

schannel2
t4mask
absh=20*log10(abs(h(1:256)));
logpsd=10*log10(pspc1(1:256));
rcv=logpsd+absh;
PCS=21.4-15*log10(f/12.5e6);
crsn=logpsd-PCS;
SNR=absh+PCS;
for i=1:256
    if rcv(i)<-140
        rcv(i)=-140;
    end
end
for i=1:256
    if crsn(i)<-140
        crsn(i)=-140;
    end
end
plot(f,rcv,f,crsn)
capci=sum(log2(1+10.^(SNR/10)))*25e6/256