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- W2037569492 abstract "본 논문에서는 Metamaterial CRLH 구조 기반의 0차 공진현상이 발생되는 새로운 직각 패치 안테나가 제안된다. 일반 마이크로스트립 패치 구조의 기본 공진 모드인 반파장 공진이나 반파장 공진의 양의 정수배가 아닌 구조 전체에 전계가 같은 위상을 갖게 하면서, 기존에 발표된 다수의 금속 쎌들이 일렬 연결된 1차원 0차 공진 안테나의 구조와 달리 금속 패치 주위에 하나의 용량성 결합 직각 링만을 부착하는 구조를 제안하는 것이다. 2.4 GHz에서 0차 공진 특성을 갖도록 설계된 등가회로에 따른 물리 구조의 치수들이 입력된 3차원 전자장 분석기에서 안테나의 성능에 대한 모의시험을 수행한다. 설계 결과 2.4 GHz에서 공진점을, 그리고 이득과 효율은 각각 5 dB와 98%를 얻었다. 또한 본 논문이 제안하는 안테나가 마이크로스트립 패치 안테나의 장점인 low-profile과 모노폴 안테나의 장점인 전방향 패턴을 동시에 가지는 특징이 논의된다. In this paper, a novel rectangular patch antenna is proposed to have Zeroth Order Resonance(ZOR) generated based on the Metamaterial Complosite Right- and Left-Handed(CRLH) structure. Making the in-phase electric field over the entire antenna other than a half-wavelength as the fundamental resonance mode of a standard microstrip patch or its positive multiple, the metallic patch is suggested to be capacitively coupled with only one surrounding rectangular ring, different from the previous 1D ZOR antennas commonly having several metal cells in line. The performance of the proposed antenna is simulated by a 3D field solver that inputs the sizes of the physical structure corresponding to the equivalent circuit designed to have ZOR at 2.4 GHz. Consequently, the resonance frequency, the gain and the antenna efficiency are observed 2.4 GHz, 5 dB and 98%, respectively. Besides, the important property of the proposed antenna is addressed as the combination of the low profile as an advantage of microstrip patch antennas, and the omni-directional field pattern typical of monopole antennas." @default.
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- W2037569492 date "2010-02-28" @default.
- W2037569492 modified "2023-09-26" @default.
- W2037569492 title "Design of a Novel 2D-Metamaterial CRLH ZOR Antenna with a Microstrip Patch Capacitively Coupled to a Rectangular Ring" @default.
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- W2037569492 doi "https://doi.org/10.5515/kjkiees.2010.21.2.143" @default.
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