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~ s@o"V >t
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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. I}Q3B3Byg
clear; c#9 zw[y-L
lam=500e-9;N1=4;N2=4; `Y.RAw5LrE
a=2e-4;z=5; (m3p28Q?
k=2*3.14/lam;omega=0.00025; aI|)m8>)X
xm=0.4*lam*z/a;ym=0.4*lam*z/a; ..;LU:F
n=5; )'%L#
syms thetax; . 36'=K
d=linspace(0,1,n); $K<jmEC@<
for i=1:n KUH&_yCRB
B1(i,:)=(sin(0.5*N1*k*d(i)*thetax)./sin(k*0.5*d(i)*thetax)).^2 ..., $Ry
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*exp(-0.5*k.^2*omega.^2*thetax.^2); !l6B_[!@
I(i,:)=int(B1(i,:),thetax,-lam/(N1*d(i)),lam/(N1*d(i))); O0b8wpFf
Br1=I/16; Kr]!BI?z
f(i,:)=2*omega/d(i); jopC\Z
vpa(Br1,5) P9`i6H'~
end RW>Z~Nj
plotmatrix(f,Br1)