[联合仿真]如何建立复选框shield your waveguide ports

背面开槽之后仿真老是出错， 8W7ET@`  
求解过程中出现The calculation seems to be unstable！A possible source of instabiliy could be given by inaccurate definition of internal waveguideports.Please consider to increase the dimension or shield your waveguide ports. W!=ur,F+  
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我百度了很久，只得到以下资料 vYo~36  
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CST MWS帮助文件《Waveguide Port》： c2s73iz  
Electric shielding: Activate the check box to let the boundary of the waveguide port be treated as a perfectly shielding (PEC) frame. o(D_ /]'8  
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CST MWS帮助文件《Special Solver Parameters - General》： NNJQDkO-I  
Electric shielding for all ports: A perfectly shielding (PEC) frame surrounding each waveguide port region will be added. This option causes higher reflections at ports. Therefore, it should only be used if a calculation has become unstable. ]]_c3LJ2`  
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百度翻译： N!\1O,  
电屏蔽：启动复选框让波导端口边界被视为一个完全屏蔽（PEC）框架。 z$/s` |]  
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电屏蔽所有的港口：一个完全屏蔽（PEC）框架周围每个波导端口区域将增加。此选项 .. o##!S
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英语没学好，母语也不咋地……。 ,uO_C(G/i  
要么在waveguide port properties里设置： -OnKvpeI  

图片:Waveguide Shielding.jpg

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要么在time domain solver里设置： Q5_,`r`  

图片:Solver Shielding.jpg