NDLI: Analysis of open-ended radiating structures based on SFELP (segmentation approach/finite elements/Lanczos-Pade)

Content Provider	IEEE Xplore Digital Library
Author	Rubio, J. Gonzalez, M.A. Zapata, J.
Copyright Year	2002
Description	Author affiliation: Dept. de Informatica, Univ. de Extremadura, Badajoz, Spain (Rubio, J.)
Abstract	A hybrid procedure for analyzing passive microwave circuits based on the mode matching (MM), two and three dimensional finite-element methods (FEM) and the segmentation concept was introduced by Rubio, Arroyo and Zapata (see IEEE Trans. Microwave Theory Tech., vol.47, no.9, p.1746-49, 1999). Rubio, Arroyo and Zapata (see IEEE Trans. Microwave Theory Tech., vol. 49, no.3, p.509-516, March 2001) applied the symmetric Pade via Lanczos algorithm (SyMPVL) to the segmentation approach (SFELP method). With this procedure the behavior of each region is described from a generalized admittance matrix (GAM) that is quickly calculated in a wide band from a reduced-order model of the transfer function. In this paper SFELP is extended to the analysis of open-ended radiating structures such as the cavity-backed microstrip antenna depicted. A new module with a spherical port, where a spherical mode expansion is employed, and which keeps the form of the transfer function required to apply the SyMPVL algorithm, is introduced.
Starting Page	702
Ending Page	705
File Size	224077
Page Count	4
File Format	PDF
ISBN	0780373308
DOI	10.1109/APS.2002.1017080
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-06-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Finite element methods Microwave theory and techniques Transfer functions Microstrip antennas Circuit analysis Microwave circuits Admittance Symmetric matrices Transmission line matrix methods Wideband
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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