Abstract
본 논문에서는 개구결합 원형편파 마이크로스트립 배열안테나를 제안하였다. 제안한 안테나는 2.4GHz ISM 대역용이고 개구모양은 변형된 H형 슬롯을 사용하였다. 전자파 해석 툴인 HFSS를 반복적으로 사용하여 최적의 안테나 설계 파라미터 값을 찾았다. 배열안테나의 반사손실, 축비, 방사패턴 및 이득을 단일안테나와 비교하였다. 제안한 배열안테나가 2.4GHz ISM 대역 등 여러 분야에서 충분히 사용될 수 있음을 확인하였다. Aperture-coupled circular polarization microstrip array antenna is proposed in this paper. The proposed antenna is useful for 2.4GHz ISM band and its aperture shape is a modified H-slot. The optimal design parameters for the antenna structure is found by using electromagnetic analysis tool HFSS repeatedly. The HFSS simulation results, such as return loss, axial ratio, radiation pattern and gain of the proposed array antenna are compared with results of the single antenna. It is able to verify that the proposed array antenna is valuable enough to be used in various applications as well as 2.4GHz ISM band.
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