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rectangle patch antenna with coaxial probe feed

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guo-hai

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hello guys, can you help me?
like the title i'm designing the antenna with HFSS
but I didnt get any good result in S11
It's like that there isn't any signal going to the portView attachment Project1.rar
can you guys help me look at it
Thank you:)
 

hosein_rabiee_g

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My HFSS version is old and I cant open your file properly.
But I think that you don't add boundary condition to outer conductor of coaxial line.
 

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