08MR3200, Intelligent Antenna Technology Development,
Jeon Soon Ik
Abstract
본 논문은 이동 위성 통신을 위한 성형 반사판 기반의 하이브리드 안테나 설계에 대하여 서술한다. 하이브리드 안테나는 성형 반사판과 1×8 배열의 선형 위상 배열 안테나로 이루어진 급전부로 구성되며, 최소의 개구면으로 안테나에 요구되는 최적의 성능을 구현하기 위하여, 반사판 성형화 기법이 적용되었다. 또한, 급전부 설계에 있어서, 능동 배열의 수를 최적화함으로써 전체적인 안테나의 제작 단가를 최소화 할 수 있다는 장점을 갖는다. Ka-대역에서 설계된 본 안테나는 앙각 방향 +45°를 기준으로 ±3° 범위에서 빔 패턴을 전기적으로 제어할 수 있으며, 부엽 레벨을 포함한 안테나 빔 패턴에 대해서는 ITU-R S.465-5에 만족하도록 설계되었다.
KSP Keywords
International telecommunications union radiocommunication(ITU-R)
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