[建模]CST MWS端口是否必须紧贴模型表面设置么？

描述:端口距离设置

图片:捕获.JPG

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RT，在端口设置的时候会有两个距离选项，当仿真出现3 grindlines(http://bbs.rfeda.cn/read-htm-tid-81152.html)的错误时，我改变了Zpos，就可以进行仿真了，但我不知道这样做与紧贴模型表面设置有什么区别 .. h'i8
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参照端口的帮助文件吧，这两个距离的意义是不一样的

hawk8969:参照端口的帮助文件吧，这两个距离的意义是不一样的 (2012-09-28 11:21)  FR9qW$B
  

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我的cst帮助文档不能用，麻烦能发一个么

帮助文件200M。。没办法。。。

帮助文件《Waveguide Port》 ?;84M@  
Free normal position: Please activate this button to define an internal port, i.e. a port location inside the calculation domain. This check button is only enabled for a Free or Full plane transversal range setting (see above). |dIP &9  
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The value for the normal position can be inserted in the corresponding  X/Y/Zpos text field. .{+KKa $@G  
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Note: Deactivating this button will always locate the port on the lower or upper boundary of the calculation domain, corresponding to the definition of the lower or upper port orientation. u=_"*
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Distance to ref. plane: Specifies the distance to your reference plane to obtain the correct phase information for the S-parameters (deembeding). Positive values move the reference plane outwards, negative inwards. The deembeding can also be performed after the calculation run. See Results S-Parameter Calculations Deembed S-Parameter.... The picture below shows a waveguide port with negative distance to the reference plane, i.e. the reference plane is moved inwards. ,=sbK?&  
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hawk8969:帮助文件《Waveguide Port》 {?2jvv  
Free normal position: Please activate this button to define an internal port, i.e. a port location inside the calculation domain. This check button is only enabled for a Free or Full plane transversal range setting (see above).
The .. (2012-09-29 11:13)  K&L9Ue  

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好的，谢了！我再仔细看看