| Título: | Improved computation of propagation losses in waveguide structures using perturbation of boundary conditions |
| Autores: |
Marini, Stephan Mattes, Michael Gimeno Martínez, Benito Boria Esbert, Vicente Enrique |
| Fecha: |
2011-10-13 2011-10-13 2011-10-07 2011-11 |
| Publicador: | RUA Docencia |
| Fuente: |
 |
| Tipo: | info:eu-repo/semantics/article |
| Tema: |
Complex propagation constant Dissipative filters Losses Perturbation method Waveguide components Teoría de la Señal y Comunicaciones Electromagnetismo |
| Descripción: |
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. This article has been accepted for inclusion in a future issue of this journal. Content is final as presented, with the exception of pagination. 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. |
| Idioma: | Inglés |
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