Topological Design of Planar Circularly Polarized Directional Antenna with Low Profile Using Particle Swarm Optimization

Figure 6

Case : (a) circularly polarized plane wave radiates on the limited ground. Simulated reflected wave power flow density at (b) 4 GHz, (d) 6 GHz, (f) 8 GHz, and (h) 10 GHz. Simulated transmitted wave power flow density at (c) 4 GHz, (e) 6 GHz, (g) 8 GHz, and (i) 10 GHz.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)