antenna-theory.com

[baby_1]

Hello
I designed a simple corner reflector with HFSS and I set terminal impedance to 75 ohm.Here is my Hfss output S11 and input impedance of my antenna.

(So at F=8 Gighz we have S11=Gama=10^(-10.7358/20)=.2905

(as you see at the F=8Ghz image part is approximately around 0 and so we have Gama=(31.91-75)/(75+31.91)=-.403

Gama=-((ZL-Z0)/(ZL+Z0))

both of them are so different !!!! what is my mistake?[/img]

[helix]

ZL = R + jX, and X is nonzero at 8GHz