I want see the real and imaginary impedance of antenna structure in CST and what is the procedure
In the post processing tag you can choose to see the Z and Y matrix results, which then appear under 1D results on the left.
These show the impedance. Alternatively read the impedance off the Smith Chart view of the S parameters
If your feed is not exactly at the antenna, you can move the reference plane to where you want the impedance, in post-processing.
Its quite simple, After simulation Follow the steps given as:
1D results>> Z Matrix>> Re & Imm. plot you can see part u see.
if you have CST 11 than go to 1D result Z matrix and find real and imag plots, real plots is near to 50ohm and imaginary plots near to 0 impedance line.
CST16 and CST 19 have a direct output of real and imag. you just click to 1D result one window is open and you can find directly
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