最近在用matlab做相干合成的数值模拟,在画图的时候遇到些问题,不知哪位高手能指点一下,多谢~ [J?aD`{#O
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这个程序是计算远场光场中主瓣的能量,然后将主瓣能量和f的值画成散点图,最后画图步骤总是报错. 8|l\EVV6
clear; w=T\3(%j
lam=500e-9;N1=4;N2=4; 4\8+9b\9"
a=2e-4;z=5; $#9;)8J
k=2*3.14/lam;omega=0.00025; 3 cK I
xm=0.4*lam*z/a;ym=0.4*lam*z/a; d,B:kE0Y
n=5; pL/DZ|S3
syms thetax; i#vYyVr[
d=linspace(0,1,n); >I-RGW'A
for i=1:n w"Gm; B4
B1(i,:)=(sin(0.5*N1*k*d(i)*thetax)./sin(k*0.5*d(i)*thetax)).^2 ..., VJ]JjB
j
*exp(-0.5*k.^2*omega.^2*thetax.^2); '!!CeDy
I(i,:)=int(B1(i,:),thetax,-lam/(N1*d(i)),lam/(N1*d(i))); &m)6J'q3k
Br1=I/16; Bg x'9p/
f(i,:)=2*omega/d(i); TJ6*t!'*X
vpa(Br1,5) r\'A
i6
end M_/7D|xl/T
plotmatrix(f,Br1)