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Analysis of Scattering Characteristics of a Rectangular Waveguide with Conducting Half Cylinders using the Mode Matching Method  

김원기 (아주대학교 전자공학부 초고주파통신연구실)
천동완 (아주대학교 전자공학부 초고주파통신연구)
김상태 (한국산업기술평가)
신철재 (아주대학교 전자공학부 초고주파통신연구실)
Abstract
In this paper, we present the numerical analysis method for analyzing scattering characteristics of a rectangular waveguide with the conducting half cylinder using the mode matching method and compute scattering characteristics of a waveguide according to the rotation and changing radius of the half cylinder. Also, in conjunction with the generalized scattering method, the proposed method can be easily applied to a rectangular waveguide with cascade structure of conducting half cylinders. From the simulated result of a two pole filter, resonance frequency could be controlled by the rotation of half cylinders. The simulated result shows good agreement with the HFSS's result. The proposed structure and analysis method are easily applied to the design of waveguide components with conducting half cylinders.
Keywords
Conducting half cylinder; Mode matching method; Generalized scattering method;
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