最近在用matlab做相干合成的數(shù)值模擬，在畫(huà)圖的時(shí)候遇到些問(wèn)題，不知哪位高手能指點(diǎn)一下，多謝~ Kg #5
@;
64#6L.Q-c
這個(gè)程序是計(jì)算遠(yuǎn)場(chǎng)光場(chǎng)中主瓣的能量，然后將主瓣能量和f的值畫(huà)成散點(diǎn)圖，最后畫(huà)圖步驟總是報(bào)錯(cuò). o9tvf|+z
clear; tRqg')y
lam=500e-9;N1=4;N2=4; " <GDO L
a=2e-4;z=5; . ] S{T
k=2*3.14/lam;omega=0.00025; bt$+l [U^J
xm=0.4*lam*z/a;ym=0.4*lam*z/a; a]-.@^:_i
n=5; `OY_v=}
syms thetax; vFKt=o$ g
d=linspace(0,1,n); uq}>5
for i=1:n \Z +O9T%
B1(i,:)=(sin(0.5*N1*k*d(i)*thetax)./sin(k*0.5*d(i)*thetax)).^2 ..., 9$9Pv%F:j
*exp(-0.5*k.^2*omega.^2*thetax.^2); ; 'o:1{Y
I(i,:)=int(B1(i,:),thetax,-lam/(N1*d(i)),lam/(N1*d(i))); #-QQ_
Br1=I/16; fP>K!@!8
f(i,:)=2*omega/d(i); nly`\0C
vpa(Br1,5) lC/4CPKtV
end Cq7EdK;x
plotmatrix(f,Br1)
