Efficient Analysis of Arbitrarily Shaped Inductive Obstacles in Rectangular Waveguides Using a Surface Integral Equation Formulation
Author
Quesada Pereira, Fernando Daniel; Boria Esbert, Vicente Enrique; Pascual García, Juan; Vidal Pantaleoni, Ana; Álvarez Melcón , Alejandro; [et al.]Research Group
Grupo Electromagnetismo Aplicado a las TelecomunicacionesKnowledge Area
Teoría de la Señal y las ComunicacionesSponsors
The authors would like to thank Alcatel Alenia Space, Madrid, Spain, for providing specifications of the dielectric loaded evanescent waveguide filter.Realizado en/con
Universidad Politécnica de CartagenaPublication date
2007-04Publisher
IEEE PressBibliographic Citation
IEEE Transactions on Microwave Theory and Techniques. Vol. 55, No. 4, April 2007, pp. 715--721Peer review
SIKeywords
Dielectric resonatorsGreen's functions
Integral equations
Waveguide components
Waveguide discontinuities
Abstract
In this paper, we propose to use the surface integral
equation technique for the analysis of arbitrarily shaped
plane obstacles in rectangular waveguides, which can contain
both metallic and/or dielectric objects. The Green's functions
are formulated using both spectral and spatial images series,
whose convergence behavior has been improved through several
acceleration techniques. Proceeding in this way, the convergence
of the series is not attached to the employment of any particular
basis or test function, thus consequently increasing the flexibility
of the implemented technique. In order to test the accuracy and
numerical efficiency of the proposed method, results for practical
microwave circuits have been successfully compared with other
numerical approaches.
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