[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。 _0GM!Cny  
谢谢！ YZ0y_it)  
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？ l^~E+F~  
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COATING PROPERTIES Q:v9C ^7  
  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  'ABSORB' tMy<MO)Ei  
  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' \c1NIuJR  
  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' bjq+x:>  
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  PICTURE .^o3  
RETURN

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WIDTHS 1.6 lQ!)0F  
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CONSIDER  ONLY DETECTOR 3<vw#]yL  
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WINDOW Z -2@(1500/2) X -2@(1500/2) 530Z>q  
WINDOW 1  !! Enlarge by 8<X,6  
SPREAD NORMAL w]Byl3}Gt  
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DISPLAY 2C@s-`b   
  PICTURE hnD=DLW $  
RETURN 2F- ]0kGR|  
自己根据例子改的 EKTn$k=  
为什么出来的衍射图和MATLAB的不一样的 WK)2/$7
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相差很大 6B .x=  
自己觉得不对 B+Ox#[<75  
请高手指点一下