A Compact CPW-Fed Low-Profile Wideband Circularly Polarized Slot Antenna with a Planar Ring Reflector for GNSS Applications

Figure 4

Simulated electric current distribution at 1.575 GHz. (a) t = 0, (b) t = T/4, (c) t = T/2, and (d) t = 3T/4. T is the period of the sinusoidal fields with angular frequency ω.

(a)

(b)

(c)

(d)