The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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A Study on the Measurement of the Beam Pattern of Array Antenna for VHF Radar using Active Beam Pattern Measuring Device and Drone

능동 빔패턴 측정장치 및 드론을 활용한 초단파레이다용 배열안테나의 빔패턴 측정에 대한 연구

  • Received : 2019.09.10
  • Accepted : 2019.12.15
  • Published : 2019.12.31
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Abstract

This study describes the technique of the beam pattern measurement of array antenna for VHF band radar using drone and active beam pattern measuring device. There is no anechoic chamber for measuring the beam pattern of a large size antenna in the country. In this study, to test the antenna beam pattern characteristics of the developed VHF band radar, the antenna beam pattern characteristics were tested by Drone mounting an Active Beam Pattern Measuring Device. By comparing the results of the pre-simulation analysis with the measured results for the antenna, we could confirm that the beamwidth and side-lobe characteristics are satisfactory. Through the antenna beam pattern measurement technology using Drone and Active Beam Pattern Measuring Device, the beam pattern measurement technology of array antenna of low frequency band and large antenna for low band radar will be used.

본 연구는 드론 및 능동 빔패턴 측정장치를 활용하여 초단파레이다용 배열안테나의 빔패턴 측정내역에 대해서 기술하였다. 아직 국내에서는 크기가 큰 초단파대역용 안테나의 빔패턴을 측정하기 위한 무반사실이 없는 상황이다. 본 연구는 개발된 초단파레이다의 안테나 빔패턴 특성을 시험하기 위하여 드론에 능동 빔패턴 측정장치 및 수신안테나를 장착하여 안테나 빔패턴 특성을 시험하였다. 안테나에 대한 사전 시뮬레이션 분석결과와 측정된 결과를 비교하였을 때 빔폭 특성 및 부엽특성이 만족함을 확인 할 수 있었다. 향후 드론 및 능동 빔패턴 측정장치를 활용한 안테나 빔패턴 측정기술을 통하여 안테나 크기가 큰 저주파대역 레이다용 배열안테나의 빔패턴 측정 기술을 활용할 예정이다.

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