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How to express main lobe beamwidth in HFSS (Ansys) optimization?

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tony_lth

tony_lth

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Hi, Gurus,
I want to optimize main lobe beamwidth in HFSS, but I don't know how to express it in Ansys HFSS.
In the results of HFSS, I can create a chart to display gain vs theta (@phi=0 & 90deg).
I can read the beamwidth from the 3db points of the gain curve.
But when I want to set the beam width as the HFSS opt target, I don't know how to expressing it in the optimization setting.
Any help or comments is grateful.
Best,
Tony Liu
 

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