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Progress In Electromagnetics Research
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APPLICATION OF MODE MATCHING METHOD TO ANALYSIS OF AXISYMMETRIC COAXIAL DISCONTINUITY STRUCTURES USED IN PERMEABILITY AND/OR PERMITTIVITY MEASUREMENT

By R. Huang and D. Zhang

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Abstract:
This paper presents a mode matching method to analyze axisymmetric coaxial discontinuity structures, commonly used in the permeability and/or permittivity measurement.By performing the mode matching procedures at all discontinuity interfaces, a set of general simultaneous equations are derived, which can be easily solved.The s parameters and field distribution in the structures are readily obtained from the solution to the simultaneous equations. As a preliminary preparation for the mode matching method, the propagation constants of all the sections in the structure have to be solved.A one-dimensional frequency domain finite difference method is presented in this paper to efficiently solve the propagation constants for the multi-layered axisymmetric structures. Numerical examples show that the results obtained from the method in this paper are in good agreement with those from other methods in the published literature papers, and the method presented here has much higher efficiency.

Citation: (See works that cites this article)
R. Huang and D. Zhang, "Application of Mode Matching Method to Analysis of Axisymmetric Coaxial Discontinuity Structures Used in Permeability and/or Permittivity Measurement," Progress In Electromagnetics Research, Vol. 67, 205-230, 2007.
doi:10.2528/PIER06083103
http://www.jpier.org/PIER/pier.php?paper=06083103

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