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

  • 제23권6호
  • /
  • Pages.731-739
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  • 2012
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  • 1226-3133(pISSN)
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  • 2288-226X(eISSN)
한국전자파학회 (The Korean Institute of Electromagnetic Engineering and Science)
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평행평판 도파관에서 너비 방향으로 발생하는 고차 모드에 관한 연구

An Investigation of Higher Order Modes in Widthwise in Parallel Plate Waveguide

  • 조규영 (포항공과대학교 전자전기공학과) ;
  • 조현동 (포항공과대학교 전자전기공학과) ;
  • 박위상 (포항공과대학교 전자전기공학과)
  • 투고 : 2012.03.27
  • 심사 : 2012.04.25
  • 발행 : 2012.06.30
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초록

일반적으로 평행평판 도파관에서 발생하는 가장 낮은 고차 모드는 $TE_1$ 모드와 $TM_1$ 모드로 알려져 있다. 본 논문에서는 평행평판 도파관에서 이보다 더 낮은 주파수에서 발생하는 TE 모드에 대해 고찰한다. 평행평판 도파관의 열려 있는 양 옆을 완전 자성 도체(PMC)로 가정하여 TE 모드의 전자계 분포를 유도하였고, 이 모드의 존재를 평행평판 도파관 공동기를 제작하여 실험함으로써 실증하였다. 열려 있는 양 옆의 경계가 완전한 자성 도체가 아니므로 인해 나타나는 특성에 대해서도 고찰하였다.

Transverse electric modes in parallel plate waveguide of which cut-off frequency is much lower than that of $TE_1$ and $TM_1$ mode generally known as the lowest higher order mode are investigated. Electric and magnetic field components of the modes are evaluated with the assumption that boundaries at both sides are perfect magnetic conductor. The existence of these modes are verified by simulation and experimental measurement of parallel plate waveguide cavity. Changed characteristics from the fact that the boundaries are imperfect are studied.

키워드

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