Efficient Analysis of Arbitrarily Shaped Inductive Obstacles in Rectangular Waveguides Using a Surface Integral Equation Formulation
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AuthorQuesada Pereira, Fernando Daniel; Boria Esbert, Vicente E.; Pascual García, Juan; Vidal Pantaleoni, Ana; Álvarez Melcón, Alejandro; [et al.]
Research GroupGrupo Electromagnetismo Aplicado a las Telecomunicaciones
Knowledge AreaTeoría de la Señal y las Comunicaciones
SponsorsThe authors would like to thank Alcatel Alenia Space, Madrid, Spain, for providing specifications of the dielectric loaded evanescent waveguide filter.
Realizado en/conUniversidad Politécnica de Cartagena
Bibliographic CitationIEEE Transactions on Microwave Theory and Techniques. Vol. 55, No. 4, April 2007, pp. 715--721
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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