Improved computation of propagation losses in waveguide structures using perturbation of boundary conditions

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Títol: Improved computation of propagation losses in waveguide structures using perturbation of boundary conditions
Autors: Marini, Stephan | Mattes, Michael | Gimeno Martínez, Benito | Boria Esbert, Vicente Enrique
Grups d'investigació o GITE: Holografía y Procesado Óptico
Centre, Departament o Servei: Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal | Ecole Polytechnique Fédérale de Lausanne. Laboratory of Electromagnetics and Acoustics | Universidad de Valencia. Departamento de Física Aplicada | Universidad Politécnica de Valencia. Departamento de Comunicaciones
Paraules clau: Complex propagation constant | Dissipative filters | Losses | Perturbation method | Waveguide components
Àrees de coneixement: Teoría de la Señal y Comunicaciones | Electromagnetismo
Data de creació: 7-d’octubre-2011
Data de publicació: de novembre-2011
Editor: IEEE
Citació bibliogràfica: MARINI, Stephan, et al. “Improved computation of propagation losses in waveguide structures using perturbation of boundary conditions”. IEEE Microwave and Wireless Components Letters. Vol. PP, Issue 99 (2011). ISSN 1531-1309
Resum: In this letter, a method for the improved consideration of propagation losses in metallic waveguide structures is presented. The method relies on the perturbation of the boundary conditions on the metallic walls of the waveguides. Following this advanced technique, we are able to compute a complex modal propagation constant, thus avoiding the drawbacks of the classical power-loss method where losses associated to evanescent modes were not taken into account. A Computer Aided Design (CAD) software package based on such a modal analysis tool has been applied to predict the propagation loss effects in a Ka-Band rectangular waveguide filter.
Descripció: This article has been accepted for inclusion in a future issue of this journal. Content is final as presented, with the exception of pagination.
Patrocinadors: This work has been supported by Ministerio de Educación y Ciencia, Spanish Government, under the Grant JC2009-0221 and the coordinated R&D project TEC2010-21520-C04, and by University of Alicante under the project GRE10-22.
URI: http://hdl.handle.net/10045/18984
ISSN: 1531-1309
DOI: 10.1109/LMWC.2011.2167135
Idioma: eng
Tipus: info:eu-repo/semantics/article
Drets: © Copyright 2011 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
Revisió científica: si
Versió de l'editor: http://dx.doi.org/10.1109/LMWC.2011.2167135
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