[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。 wjy<{I  
谢谢！ }-/oL+j  
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？ ^J~5k,7jX  
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    INTERFACE COATING ABSORB AIR SCHOTT_BK7 W4#E&8g%  
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    REDEFINE COLOR 1 pnpf/T{xpM  
    ROTATE X 90 n,#o6ali>  
    SHIFT Y -10000 xey?.2K1A  
!! Verify Geometry h9Tst)iRi  
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PARABASAL 4 8vx#QU8E/  
BEAMS COHERENT DIFFRACT QfV:&b`  
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WIDTHS 1.6 J9&#);(  
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RETURN

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SPREAD NORMAL yD!V;?EnK  
WINDOW Z -2@(1500/2) X -2@(1500/2) R0*+GIRA(  
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SPREAD NORMAL :}18G}B  
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DISPLAY _[W`!#"  
  PICTURE '((Ll  
RETURN ;.r >  
自己根据例子改的 }AfK=1yOa  
为什么出来的衍射图和MATLAB的不一样的 !S',V&Yb  
相差很大 ;{~F7:i  
自己觉得不对 md/Z[du:'  
请高手指点一下