Research Article

Harmonic Suppressed Slot Antennas Using Rectangular/Circular Defected Ground Structures

Figure 4

Simulated current distribution on the ground plane at the third harmonic frequency for (a) conventional slot antenna, (b) RDGS slot antenna, and (c) CDGS slot antenna.
721565.fig.004a
(a)
721565.fig.004b
(b)
721565.fig.004c
(c)