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HELP!!! Slot antenna with more than 100% efficiency in HFSS

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olule

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Please everyone,


I am trying to simulate a simple slot antenna in HFSS, but the gain for my antenna(~6db) far exceeds what was stipulated by theory(~2dB). Worse still, the radiation efficiency is more than 100%!! Could anyone kindly check out my attached simulation file, and please tell me what the heck is wrong! I tried simulating the slot with ADS momentum, the results was reasonable. What could be wrong with my hfss setup?:???::???:


Thank you.
 

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  • himdi microstrip 2.zip
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