[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。 {|t?
  
谢谢！ Qe'PAN=B  
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？ S1 R #]  
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SPREAD NORMAL (\ %y)  
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  PICTURE 4\RuJx  
RETURN J'v|^`bE  
自己根据例子改的 ak&v/%N  
为什么出来的衍射图和MATLAB的不一样的 l"#,O$x"#@  
相差很大 vnpX-c  
自己觉得不对 6.=b^6MV  
请高手指点一下