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HFSS Antenna Array Simulation Result (Wrong :S)

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ctyz

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i have created an array with 4 elements.
The pattern in matlab is great.

patt.jpg

i designed same array on HFSS, the result is awful but it looks similar. There are some symmetry problems along y axis. Radiation pattern on phi plane (at theta=90) is not same as matlab. i must figure it out What can be the problem? please help me:-?
 

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  • Deneme_04.rar
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Hi
The problem appears because port Z0 is 50 but antennas have different Z , so there is poor impedance matching.
 

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