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Characteristic impedance and input impedance

Question asked by SCHAEFFNER.HARALD.DA on May 24, 2007
Latest reply on Jul 31, 2007 by ALEPEREZ
Hello to all!

Is this right: the momentum simulation of a one Dipole antenna returns reflection coefficient s11 and characteristic impedance of the antenna Z0 (modeled as transmission line).
The input impedance of the antenna is:
Zant = Zport* (1+S11)/(1-S11).

Thanks for post.
Harald :-/