Journal of the Korea Institute of Military Science and Technology (한국군사과학기술학회지)

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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Development of VHF-Band Conformal Antenna for UAV Mounting

무인기 탑재용 VHF 대역 형상적응형 안테나 개발

  • Euntae Jung (Future Information communication R&D Center, Hanwha Systems Co., Ltd.) ;
  • Juhyun Lee (Future Information communication R&D Center, Hanwha Systems Co., Ltd.) ;
  • Jinwoo Park (Future Information communication R&D Center, Hanwha Systems Co., Ltd.) ;
  • Byunggil Yu (Future Information communication R&D Center, Hanwha Systems Co., Ltd.) ;
  • Kichul Kim (Defense Space Technology Center, Agency for Defense Development) ;
  • Jaesoo Jung (Defense Satellite System Group, Agency for Defense Development)
  • 정은태 (한화시스템(주) 미래정보통신연구소) ;
  • 이주현 (한화시스템(주) 미래정보통신연구소) ;
  • 박진우 (한화시스템(주) 미래정보통신연구소) ;
  • 유병길 (한화시스템(주) 미래정보통신연구소) ;
  • 김기철 (국방과학연구소 국방우주기술센터) ;
  • 정재수 (국방과학연구소 국방위성체계단)
  • Received : 2022.11.04
  • Accepted : 2023.01.10
  • Published : 2023.02.05
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Abstract

In this paper, a VHF band conformal antenna for UAV mounting was developed. The proposed antenna was designed as an shape-adaptive structure by minimizing the antenna height to be advantageous in RCS reduction performance. As for the antenna radiator, the outer radiator was arranged around the inner radiator to apply the CRLH zeroth-order resonance structure. With this structure, the height of the antenna was minimized, and it was reduced by about 70 % compared to the existing blade antenna. In addition, for impedance matching, the intermediate frequency bandwidth of the VHF band was improved through the sleeve pin of the inner radiator, and the low frequency bandwidth of the VHF band was improved by applying an EMI shielding gasket to the shorting pin of the outer radiator. The proposed antenna was manufactured and measured to verify the performance of the device and the performance after UAV mounting. As a result, the standard was satisfied for the operating frequency.

Keywords

Acknowledgement

이 논문은 2017년 정부(방위사업청)의 재원으로 국방과학연구소의 지원을 받아 수행된 연구결과이다.(UC170018ED)

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