Uso combinado de imágenes espaciales con planos de masa dinámicos: aplicación al análisis de cavidades rectangulares multicapa
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URI: http://hdl.handle.net/10317/1398Share
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Gómez Díaz, Juan Sebastián; García Vigueras, María; Cañete Rebenaque, David; Álvarez Melcón , AlejandroResearch Group
Grupo de Electromagnetismo Aplicado a las Telecomunicaciones (GEAT)Knowledge Area
Teoría de la Señal y las ComunicacionesPublication date
2010-09Publisher
Universidad del País VascoBibliographic Citation
GÓMEZ DÍAZ, Juan Sebastián et al. Uso combinado de imágenes espaciales con planos de masa dinámicos: aplicación al análisis de cavidades rectangulares multicapa. En: Simposium Nacional de la Unión Científica Internacional de Radio (25º: 2010: Bilbao) XXV Simposium Nacional de la Unión Científica Internacional de Radio (URSI 2010): celebrado en Bilbao del 15 al 17 de Septiembre de 2010. Bilbao: Universidad del País Vasco, 2010. P. 4.Keywords
Funciones de GreenCavidad rectangular multicapa
Guía de onda
Microstrip
Filtros en tecnología híbrida guiaonda microstrip
Multilayer rectangular cavity
Waveguide
Filter in hybrid waveguide-microstrip technology
Green's functions
Space image
Imagen espacial
Abstract
The use of ground planes is proposed inside the
spatial images technique in order to calculate the multilayered
shielded Green’s functions for rectangular enclosures. The positions
of the ground planes are dynamically located, covering
two walls of the cavity, as a function of the source position.
Spatial mirror images, related to the ground planes, are used to
perfectly impose the boundary conditions along these cavity walls.
This completely removes the problems associated to the singular
behavior of the source when it is placed close to a wall or a
corner, improving numerical stability. In addition, the method
leads to a very efficient computation (about 15 times faster than
the original approach), due to the reduced number of non-mirror
images that must be effectively computed. A multi-band filter in
hybrid waveguide-microstrip technology is analyzed with the new
method, showing excellent agreement with measured data.
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