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논문 기본 정보

자료유형
학술저널
저자정보
Seung Hun Cha (Yonsei University) Jin Soo Choi (Agency for Defense Development) Jiheon Ryu (Agency for Defense Development) Hae-ok Kwon (Hanwha Corporation) Sang-min Lee (Hanwha Corporation) Dong-Hee Son (Hanwha Corporation) Young Joong Yoon (Yonsei University)
저널정보
한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of Electromagnetic Engineering And Science Vol.22 No.5
발행연도
2022.9
수록면
537 - 543 (7page)

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초록· 키워드

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In this paper, a novel helical antenna for high-power microwave is proposed. The proposed antenna is intended to demonstrate improved power handling capacity without any deterioration in matching characteristics, gain, and axial ratio. The proposed antenna with a long helix structure is investigated in order to achieve high gain and a relatively wide impedance bandwidth. By increasing the distance between the helix and the ground plane, an improved power handling capacity is obtained, and the impedance matching problem caused by the proposed method is addressed with the use of a feed-through insulator. In addition, a conical-shaped ground is used to compensate for the gain reduction by increasing the distance between the helix and the ground plane. As a result, the proposed antenna exhibits a gain exceeding 11 dBi and an axial ratio of less than 2 dB within the frequency range of 0.86–1.09 GHz. In addition, its power handling capacity exceeds 50 MW for a 0.7-ns input pulse length in air conditions.

목차

Abstract
I. INTRODUCTION
II. ANTENNA DESIGN
III. RESULT
IV. CONCLUSION
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