chao183 |
2021-10-21 21:33 |
用matlab计算均匀照度的透镜自由曲线后,为什么用light tools模拟照度却不均匀
light tools模拟时都是中心暗,周围有亮圆环。模拟光源为朗伯点光源。 (wo.OH nB`pfg [attachment=109397] =M*31>"I0 B24wn8< 是根据这篇论文编的matlab代码。 :-69,e -'*B%yy [attachment=109395] %f*8JUE16 ![0\m2~iv 哪位大神指点一下 G ZDyw9 clear; !Hr~B.f7 H=20; dE%rQE7' a=100; zL+jlUkE
itheta=0; W{*U#:Jx1 i=1; UQ}[2x(Kb for theta=0:0.0001:pi/2 `DUMTFcMX if abs(integral(@(y)cos(y),itheta(i),theta)-1/a)<=0.00005 e)zE*9 itheta(i+1)=theta; 9h9 jS~h i=i+1; a{GPAzO+ end `gDpb.=Y end [h
{zT)[ R=30; 7b_t%G" r=0; .-awl1 W for i=1:a (1^AzE%U+Z r(i+1)=sqrt(R^2/a+r(i)^2); wzwEYZN(q end =e$<[" I(:,1)=sin(itheta); zgI!S6q I(:,2)=cos(itheta); .hzzoLI2 N=[0,1]; wa\Yc,R P=[0,5]; sn+g#v9e O=[0,1]; hs!a'E n=1.5896; anxgD?<+B for i=1:a; F>dB@V- P(i+1,1)=( N(i,1)*P(i,1) + N(i,2)*P(i,2) ) / ( N(i,1) + N(i,2)*I(i+1,2)/I(i+1,1) ); c>6dlWTqX P(i+1,2)= P(i+1,1) * I(i+1,2) / I(i+1,1); M ~zA O(i+1,1)=( r(i) - P(i+1,1) ) / sqrt( (r(i)-P(i+1,1))^2 + (H-P(i+1,2))^2); 3X=9$xw_ O(i+1,2)=(H-P(i+1,2)) / sqrt( (r(i)-P(i+1,1))^2 + (H-P(i+1,2))^2 ); lmi,P-Q N(i+1,=( O(i+1, - n*I(i+1,) / sqrt( 1 + n^2 - 2*n*dot(O(i+1,,I(i+1,) ); &)zNu end 7l/.fSW P(:,3)=0; ?#YheML? plot(P(:,1),P(:,2)); a\pOgIp 7jL+c~ [attachment=109396]
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