Abstract

In this paper, A S-band microstrip printed dipole antenna with a distorted uniplanar compact-EBG (DUC-EBG) ground plane is proposed and investigated. The simulated and measured results show that the RCS of the microstrip printed dipole antenna with the proposed DUC-EBG ground is much lower than that of the antenna with the conventional metallic ground at frequencies outside the operating band within 1–8 GHz, while its radiation is hardly affected by the proposed DUC-EBG ground in the operating band. Owing to the stop-band property of the proposed DUC-EBG, it can be used as the ground plane of a microstrip printed dipole antenna. During the pass-band, the proposed DUC-EBG can make much more incident wave pass through. Therefore, it can effectively reduce the RCS of microstrip printed dipole antenna outside operating band.

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