[资料共享]阵列天线程序

clear; u)7 ]1e{  
timesrun=0; >h[(w  
while timesrun<1000, pb$fb  
   if timesrun==0, & zgPN8u  
      SP=0.5; ?f@ 9nph  
      PH=0; ih!~G5Xi9i  
      N=5; n4>cERfa  
      MF=1; 4p x_ZD#J  
   else, B+Q+0tw*i  
      SP=input('Enter element spacing in wavelengths: '); d +xA:  
      PH=input('Enter phase difference between elements in degrees: '); C<t RU5|  
      N=input('Enter number of elements: '); cqk]NL`'  
      MF=input('Enter pattern multiplication factor: ')'; y#bK,}  
   end; Y*\6o7  
   M]B3vPA/v  
% This version modified to include isotropic AND short dipole sources cDO:'-  
% both of which are displayed on the same polar plot.  This version DVzssPg  
% does not do phase plots. ?48AY6  
% F. Merat  3/29/03 \[T{M!s  
   F;a3  
                                      % Compute fields for plotting a)S(p1BGg  
A=0.01:0.01:6.27;                     % Angle over 2pi radians BVAr&cu  
U=(2*pi*SP*cos(A)+(pi*PH/180))/2;     % compute argument t{=i=K3  
FP=(sin(N*U)./sin(U));                % compute isotropic electric field -,/3"}<^78  
FPD=(sin(N*U)./sin(U)).*cos(A);       % computer dipole electric field ss; 5C:*y  
R=MF.*abs(FP);                        % multiply as appropriate !2tw,QM
  
Rdipole=MF.*abs(FPD);                 % compute for array of short dipoles OT+Ee  
pause(0.9); SKJW%(|3  
                                      % compute the beam area in theta M1(9A>|nF  
B=0.01:0.01:3.14;                     % B is theta -- the angle from 0 degrees &9@gm--b:  
                                      %    0 <theta (B) < 180 degrees o4'W
r  
   W=(2*pi*SP*cos(B)+(pi*PH/180))/2;  % compute psi -- phase shift /=trj5h  
   PP=(sin(N*W)./sin(W)).^2;          % compute unnormalized power Oc^m_U8>^  
   Z=0.01*sin(B).*PP;                 % differential power is PP*sin(theta)*d(theta) ;[caiMA-  
   SUM=sum(Z);                        % integrate the elements over 180 degrees #gI&lO*\gr  
DR=(2*(N^2))/SUM;                     % numerical directivity is Pmax/Pavg. \kk!Dz*H  
                                      % N^2 is Pmax bx7\QU+  
                                      % Not sure of 2; because I only did pi? F8 ?uQP8  
                                      F(E<,l2[  
DBI=10*log10(DR);                     % express in dBi ~B*~'I9b*  
                                      % REPEAT FOR DIPOLE <p)Z/  
                                      % compute the beam area in theta ixzTJ]yu  
B=0.01:0.01:3.14;                     % B is theta -- the angle from 0 degrees <c\]Ct  
                                      %    0 <theta (B) < 180 degrees {Ve D@  
   W=(2*pi*SP*cos(B)+(pi*PH/180))/2;  % compute psi -- phase shift mo*'"/  
   PP=(sin(N*W)./sin(W).*cos(B)).^2;          % compute unnormalized power 7&px+155  
   Z=0.01*sin(B).*PP;                 % differential power is PP*sin(theta)*d(theta) d|3o
/@k  
   SUM=sum(Z);                        % integrate the elements over 180 degrees Ivjw<XP6K  
DRdipole=(2*(N^2))/SUM;                     % numerical directivity is Pmax/Pavg. #~1wv^  
                                      % N^2 is Pmax -s89)lUkS  
                                      % Not sure of 2; because I only did pi? =Pj@g/25u  
                                      >3+FZ@.iT  
DBIdipole=10*log10(DRdipole);                     % express in dBi @9<S*  
theta=(0:2*pi/626:2*pi);              % plot antenna pattern in polar coordinates YJc%h@_=]  
S"{GlRpd  
                                      % plot isotropic pattern lDlj+fK  
polar(theta,(round(R*100))/100,'r'); H1C%o0CPY  
hold on; I)rGOda{  
polar(theta,(round(Rdipole*100))/100,'g:'); W
CoF{*  
title(['Field pattern of ',num2str(N),' sources spaced by ',num2str(SP),' lambda,  ','phase delta= ',num2str(PH),' deg']); mb~./.5F  
text(max(R),max(R),['Dtheta = ',num2str((round(DBI*100))/100),' dBi']); r!~(R+,c  
text(max(R),max(R)-1,['Dphi = ',num2str((round(DBIdipole*100))/100),' dBi']); _^b@>C>O  
hold off; )"F5lOA6  
sep=max(R)/20; u x#.:C|  
xcent=sep*((-(N-1)/2)-1); [NZ-WU&&LP  
for elcount=1:N g#Mv&tU  
   xcent=xcent+sep; K@*rVor{  
   ycent=0; eB7>t@ED  
   radius=sep/5; ]DU61Z"v?b  
   xp=xcent+[-radius:radius/10:radius]; HlF}   
   yp=ycent+real(sqrt((radius^2)-(xp-xcent).^2)); ]xI?,('_m  
   patch(xp,yp,'k'); qf)C%3gXI  
   patch(xp,-yp,'k'); RZe#|k+ 8  
end; &8waih(|  
rp=input('Enter 1 for rectangular plot: '); vi<X3G6Xh  
if rp==1 [='p!7z  
   figure(2); 4XD)E&  
   plot(theta*(180/pi),R); O!yakU+  
   grid on; H):-!?:  
   zoom on; y]J3hKs  
   title(['Field Pattern of ',num2str(N),' sources spaced by ',num2str(SP),' lambda,  ','phase delta= ',num2str(PH),' deg']); *i%.{ YH  
   xlabel('Angle (deg)'); >j) w\i  
   ylabel('Amplitude (linear)'); FXeV6zfrE  
end; =Iy/cHK  
logp=input('Enter 1 for dB plot: '); e"PMvQ  
if logp==1 >"O1`xdG  
   figure(3); Yg$@Wb6  
 &nb .. :;q>31:h  
VOg/VGJ  

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楼主辛苦。。。。。。

多些楼主，楼主辛苦了

谢谢啊，不错

为何那么多隐藏到字符干扰实验呢

哦，这么多

如何用，在什么里操作应用啊。谢谢指导