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Multipole theory analysis of the capacitance matrix of circular rod arrays
Author(s) -
Zheng Qinhong,
Zeng Hua,
Jiang Shaoquan,
Li Manyi,
Song Ming
Publication year - 2003
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.11123
Subject(s) - multipole expansion , capacitance , microwave , rod , matrix (chemical analysis) , coaxial , engineering , fast multipole method , physics , electrical engineering , materials science , telecommunications , medicine , alternative medicine , electrode , pathology , quantum mechanics , composite material
The multipole theory (MT) method is exploited as a simple, accurate, and efficient tool for determining the capacitance matrix of circular rods located inside various grounded structures. The solution of the boundary‐value problem associated with circular rod arrays is represented by the generalized MT formula, and the procedure to obtain the capacitance matrix of circular rod arrays is described. Representative computational examples, including the novel circular coaxial coupler, three circular rod arrays in a rectangular trough, and the cable consisting of nine circular inner conductors, are given to validate the theory, and to demonstrate the accuracy and flexibility of the MT method. © 2003 Wiley Periodicals, Inc. Microwave Opt Technol Lett 39: 49–52, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.11123

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