The Journal of Korean Institute of Electromagnetic Engineering and Science (한국전자파학회논문지)

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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A W-Band Millimeter-Wave Power Standard Transfer System Using the Direct Comparison Method

직접 비교법을 이용한 W-Band 밀리미터파 전력 표준 전달 시스템

  • Kwon, Jae-Yong (Center for Electromagnetic Wave, Division of Physical Metrology, Korea Research Institute of Standard and Science) ;
  • Kang, Tae-Weon (Center for Electromagnetic Wave, Division of Physical Metrology, Korea Research Institute of Standard and Science) ;
  • Kang, Jin-Seob (Center for Electromagnetic Wave, Division of Physical Metrology, Korea Research Institute of Standard and Science) ;
  • Lee, Dong-Joon (Center for Electromagnetic Wave, Division of Physical Metrology, Korea Research Institute of Standard and Science)
  • 권재용 (한국표준과학연구원 기반표준본부 전자파센터) ;
  • 강태원 (한국표준과학연구원 기반표준본부 전자파센터) ;
  • 강진섭 (한국표준과학연구원 기반표준본부 전자파센터) ;
  • 이동준 (한국표준과학연구원 기반표준본부 전자파센터)
  • Received : 2012.11.13
  • Accepted : 2012.12.28
  • Published : 2013.01.30
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Abstract

This paper introduces a W-band millimeter-wave power standard transfer system using the direct comparison method. The transfer system was developed to evaluate the effective efficiency and calibration factor of a W-band waveguide power sensor. The evaluation method and the measured results of the directional coupler that characterizes the calibration system are studied. The uncertainties of the standard transfer system are investigated, and the major uncertainty contributors are discussed as well. The performance of the realized W-band power standard transfer system was verified by comparing results with reference values.

본 연구는 국내 최초로 개발된 직접 비교법을 이용한 W-band 밀리미터파 전력 표준 전달 시스템에 대한 것이다. 이 시스템은 75~110 GHz 대역에서 W-band 도파관형 전력감지기의 실효 효율과 교정 인자를 측정하기 위하여 개발되었다. 전력 표준 전달 시스템 구성의 핵심 요소인 방향성 결합기의 반사 특성 평가 기법을 소개하고 실험 결과를 보인다. 구현된 시스템을 이용하여 측정하고자 하는 전력감지기의 교정 인자 측정 결과를 보이고, 불확도 요인에 대하여 고찰한다. 측정 결과를 기준값과 비교하여 W-band 밀리미터파 전력 표준 전달 시스템에 의한 측정의 유효성을 검증한다.

Keywords

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