Minimized Low-Profile Wideband Antennas Using High Impedance Surface

Figure 14

The simulated and measured normalized radiation patterns of the antenna in Figure 9(b): (a) 0.55 GHz, (b) 0.65 GHz, (c) 0.75 GHz, and (d) 0.85 GHz.

(a)

(b)

(c)

(d)