[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。 `Oc`I9  
谢谢！ +'NiuN  
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？ #!%\97ZR  
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SYSTEM NEW G 39  
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WAVELENGTHS 0.5 0.6 0.7 0.8 0.9 1.1 UM ,DT=(  
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COATING PROPERTIES #z\{BtK  
  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' +r+H`cT@  
  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' $^2 j#]uX  
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    REDEFINE COLOR 1 VK+#!!Ha  
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!! Verify Geometry 1u\fLAXn  
WINDOW Y Z ")U`Wgx  
PLOT FACETS 7 7 OVERLAY `j59MSuK  
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!! Define source 1 wR;_x x  
PARABASAL 4 Kt%`]Wp  
BEAMS COHERENT DIFFRACT IkSzjXE{  
WAVELENGTH 0.5 MICRONS ;X u&['  
WIDTHS 1.6 "R$ee^  
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TRACE PLOT COLOR 2 3<x_[0v`K1  
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RETURN

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WIDTHS 1.6 E n{vCN  
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WINDOW Z -2@(1500/2) X -2@(1500/2) &'c1"%*%8>  
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RETURN DP &,jU6  
自己根据例子改的 vitmG'|WG  
为什么出来的衍射图和MATLAB的不一样的 j5G8IP_Wx  
相差很大 { >bw:^F  
自己觉得不对 k[gO>UGB;  
请高手指点一下