What are the causes for fabricated S11 and simulated S11 parameter for a CPW- Fed monopole antenna?

I have simulated a CPW fed monopole antenna in ANSYS HFSS. I have also fabricated it. But results are not as good as the HFSS simulation. I renormalized the port. I fabricated it twice. But there...

21 March 2020 8,210 6 View