msk的matlab应用

clc;clearall;fs=100;Nb=20;N=10;h=0.5;a=randi(1,N);g=ones(1,Nb)/(2*Nb);b=2*a-1;c=[];forii=1:Nbb=[b(ii),zeros(1,Nb-1)];c=[c,bb];endd=filter(g,1,c);frg=2*pi*h*d;fai=filter([0,1],[1,-1],frg);l=1:length(fai);t=l/(Nb*N);s=exp(j*(2*pi*fs*t+fai));msk=real(s);I_fai=real(exp(j*fai));Q_fai=imag(exp(j*fai));subplot(21