www.pudn.com > programradarsystemdisign.zip > fig7_11.m

fofr=0.01:0.001:32; 
a=63.0/64.0; 
term1=(1-2.*cos(a*2*pi*fofr)+cos(4*pi*fofr)).^2; 
term2=(-2*sin(a*2*pi*fofr)+sin(4*pi*fofr)).^2; 
resp=.25.*sqrt(term1+term2); 
%axis([0 4 -60 0]); 
resp=10.*log(resp); 
plot(fofr,resp); 
axis([0 32 -40 0]); 
grid