www.pudn.com > antennas-and-radio-wave-propagation.rar > 圆形同相平面口径的辐射.m, change:2002-01-01,size:373b


%圆形同相平面口径的辐射 
%主平面极坐标方向图 
a=2; 
delta=eps:2*pi/90:2*pi; 
fai3=2*pi*a*sin(delta); 
fe3=abs(0.5*(1+cos(delta)).*((2*besselj(1,fai3'))'./fai3));femax3=max(max(fe3)); 
fh3=abs(0.5*(1+cos(delta)).*((2*besselj(1,fai3'))'./fai3));fhmax3=max(max(fh3)); 
subplot(1,2,1);polar(delta,fe3/femax3);title('fe3');  
subplot(1,2,2);polar(delta,fh3/fhmax3);title('fh3');