Fig. 8

Simulated 3-D far-field radiation patterns at 18 GHz. (a) RHCP, (b) LHCP, (c) Absolute normalized measured and simulated polar patterns of \(\varphi =\pi /2\) at (d) 16 GHz, (e) 18 GHz, and (f) 19 GHz.

Simulated 3-D far-field radiation patterns at 18 GHz. (a) RHCP, (b) LHCP, (c) Absolute normalized measured and simulated polar patterns of \(\varphi =\pi /2\) at (d) 16 GHz, (e) 18 GHz, and (f) 19 GHz.