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TLM modeling of the circular cylindrical cavity loaded by lossy dielectric sample of various geometric shapes.

Authors
  • Doncov, N S
  • Milovanovic, B D
Type
Published Article
Journal
The Journal of microwave power and electromagnetic energy : a publication of the International Microwave Power Institute
Publication Date
Jan 01, 2002
Volume
37
Issue
4
Pages
237–247
Identifiers
PMID: 12856541
Source
Medline
License
Unknown

Abstract

The modeling of the cylindrical metallic cavity with circular cross-section loaded by lossy dielectric sample of various geometric shapes is done by using the Transmission-Line Matrix (TLM) method. For modeling purposes, a hybrid symmetrical condensed node (HSCN) in cylindrical coordinates, developed and implemented in the appropriate software, is applied. The proposed TLM models for several characteristic geometric shapes of the lossy dielectric sample are described in detail, the modeling process is discussed and the influence of the load form on the resonant frequencies of the cavity is investigated. In addition, the applied TLM approach is experimentally verified for two cases of cavity load form.

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