[求助]请帮忙写个圆孔衍射的程序 [复制链接]

偶是新手，不明白里面的衍射是怎么弄的，请各位大侠帮忙写个圆孔衍射的程序看看行吗？在DETECTOR显示出衍射图样来？希望把程序命令帖出来。 qfEB VS(  
谢谢！ _:;j)J0  
自己根据例子改了一个，但是发现出来的图像和matlab的不一样，相差很大，觉得应该是错了，请大家帮忙看看呗？ /B9jmvj`  
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SYSTEM NEW |teDe6\m  
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WIDTHS 1.6 thDE 1h  
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  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0   'TRANSMIT' P7y[9|^  
  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0  1.0  0.0   'REFLECT' (x$k\H  
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WIDTHS 1.6 ?7p| F^  
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WINDOW Z -2@(1500/2) X -2@(1500/2) ykeUS zz2  
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  PICTURE V<pqc&f.  
RETURN wE \c?*k  
自己根据例子改的 \|t0~sRwh  
为什么出来的衍射图和MATLAB的不一样的 ^k(eRs;K  
相差很大 vTEkh0Ys  
自己觉得不对 *Kkw,qp/  
请高手指点一下