最近在用matlab做相干合成的數(shù)值模擬,在畫圖的時(shí)候遇到些問題,不知哪位高手能指點(diǎn)一下,多謝~ z 9WeOs
^4Se=Hr
z2
這個(gè)程序是計(jì)算遠(yuǎn)場光場中主瓣的能量,然后將主瓣能量和f的值畫成散點(diǎn)圖,最后畫圖步驟總是報(bào)錯(cuò). Ri::Ek3qu
clear; z?UEn#E2
lam=500e-9;N1=4;N2=4; _c:th{*
a=2e-4;z=5; 6O0aGJ,H
k=2*3.14/lam;omega=0.00025; ;l < amB
xm=0.4*lam*z/a;ym=0.4*lam*z/a; INCD5dihJ
n=5; !u4eI0?R?
syms thetax; YZ<5-C
d=linspace(0,1,n); n 1^h;2gz
for i=1:n f3.oc9G
B1(i,:)=(sin(0.5*N1*k*d(i)*thetax)./sin(k*0.5*d(i)*thetax)).^2 ..., 2<'ol65/c
*exp(-0.5*k.^2*omega.^2*thetax.^2); K05T`+N,
I(i,:)=int(B1(i,:),thetax,-lam/(N1*d(i)),lam/(N1*d(i))); :gRVa=}=
Br1=I/16; >Af0S;S
f(i,:)=2*omega/d(i); ol
{N^fiK
vpa(Br1,5) ?UeV5<TewS
end qn}VW0!
plotmatrix(f,Br1)