In this paper, a dual-band high-gain antenna based on the split ring resonators (SRRs) and corrugated plate is presented. By combining the SRRs and corrugated plate, the presented antenna resonating at different frequencies with high performance is easily achieved based on the superposition of the electric fields radiated by the SRRs and the grooves. Both the simulated and measured results show that the gain is improved by 6 dB at 12.7 GHz and 6.5 dB at 14.2 GHz respectively compared with the conventional flat antenna without grooves. Moreover, half-power beam width (HPBW) of E-plane is reduced by more than 100 degrees at 12.7 GHz and 14.2 GHz.
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