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학술지 Analysis of a Uniform Rectangular Array for Generation of Arbitrary Orbital Angular Momentum (OAM) Modes
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저자
조용희, 변우진
발행일
201905
출처
Electronics Letters, v.55 no.9, pp.503-504
ISSN
0013-5194
출판사
IET
DOI
https://dx.doi.org/10.1049/el.2019.0190
협약과제
19ZR1200, 지능형 전파센서 및 무선 에너지 전송 원천기술 개발, 이호진
초록
Using the array antenna theory, theoretical radiation and near-field characteristics of a uniform rectangular array (URA) for high-gain or wide-beamwidth orbital angular momentum waves have been rigorously studied. Closed-form weighting factors of URA elements are derived based on the Hankel transform proposed for aperture antennas. Simulated radiation patterns and near-field distributions show that a URA configuration is superior to a uniform circular array in terms of antenna gain, beamwidth, and beam-scanning capability.
KSP 제안 키워드
Antenna gain, Antenna theory, Aperture antennas, Array antenna, Beam Scanning, Hankel transform, Orbital Angular Momentum, Radiation Pattern, Uniform rectangular array, closed-form, field distribution