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논문 기본 정보

자료유형
학술저널
저자정보
Iftikhar Ud Din (University of Engineering and Technology) Waheed Ullah (University of the Witwatersrand) Nisar Ahmad Abbasi (University of Hafr Al Batin) Sadiq Ullah (University of Engineering and Technology) Waleed Shihzad (University of Engineering and Technology) Bilawal Khan (University of Engineering and Technology) Dushantha Nalin K. Jayakody (Lusófona University)
저널정보
한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of Electromagnetic Engineering And Science Vol.23 No.2
발행연도
2023.3
수록면
108 - 121 (14page)

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This article presents a compact ultra-wideband (UWB) circular monopole antenna with a frequency-selective surface (FSS) for gain enhancement. The proposed antenna has a circular patch with circular cuts at the edges and is excited by a microstrip feed. The bottom plane is truncated and further modified by two triangular cuts at the sides and one rectangular cut in the middle to improve the radiation characteristics of the UWB antenna. The antenna is designed on an FR-4 substrate with a thickness of 1.6 mm, a relative permittivity of 4.3, and planner dimensions of 30 mm × 30 mm. To improve the proposed antenna’s gain, an FSS is designed that consists of periodic unit cells of metal printed on the upper layer of an FR-4 substrate with dimensions of 0.11λ × 0.11λ at the lowest operating frequency of 3.3 GHz. The FSS shows a very low transmission coefficient and linearly reducing reflection phase with increasing frequency over a frequency range of 3.3–10.8 GHz. The gain of the proposed antenna is increased from 3 dB to 8.1 dB at 9 GHz by placing the antenna on the FSS. Moreover, the prototype of the proposed antenna is fabricated, and the experimental results are measured, which show close agreements with simulated results. The FSS-based antenna has directional radiation patterns, making it a potential candidate for groundpenetrating radar and UWB applications.

목차

Abstract
Ⅰ. INTRODUCTION
Ⅱ. ANTENNA DESIGN AND CHARACTERIZATION
Ⅲ. DESIGN OF FREQUENCY-SELECTIVE SURFACES (FSS)
Ⅳ. FSS-LOADED ANTENNA
Ⅴ. MEASUREMENTS OF FSS-BASED UWB ANTENNA
Ⅵ. LITERATURE REVIEW AND TABLE DISCUSSION
Ⅶ. CONCLUSION
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