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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of Electromagnetic Engineering And Science Vol.19 No.2
- 발행연도
- 2019.4
- 수록면
- 122 - 129 (8page)
이용수
초록· 키워드
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A cylindrical tightly coupled dipole array antenna (C-TCDA) based on Munk’s planar TCDA theory, the elements of which are placed on the surface of a cylinder, is introduced and analyzed in this study. The explicit field components of the transverse electromagnetic (TEM) waves existing in the C-TCDA for both polarizations are given. Moreover, the embedding impedance characteristics of the CTCDA are presented and compared with those of planar TCDA. Analysis results show that the C-TCDA has similar impedance characteristics to the planar TCDA and thus can be implemented in a similar manner. The design of a dual-polarized omnidirectional octagonal TCDA, which has a 3.08:1 bandwidth (from 0.73 ㎓ to 2.25 ㎓) with a voltage standing wave radiation (VSWR) of less than 2 and a low gain variation of less than 1.8 ㏈ at broadside for both polarizations, is also proposed. When scanning up to ±30° in the θ-direction, the array operates in the same frequency band with a VSWR of less than 2.05 and a low gain variation of less than 2 ㏈ for both polarizations.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. THEORY OF THE C-TCDA
Ⅲ. DESIGN OF DUAL-POLARIZED C-TCDA
Ⅳ. CONCLUSION
REFERENCES
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