Antenas CRLH LWA basadas en guía de onda: análisis teórico y demostración experimental
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URI: http://hdl.handle.net/10317/1399Share
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Grupo de Electromagnetismo Aplicado a las Telecomunicaciones (GEAT)Knowledge Area
Teoría de la Señal y las ComunicacionesSponsors
Este trabajo ha sido cofinanciado por el Ministerio de Educación y Ciencia (Proyecto: TEC2007-67630-C03-02, Beca: FPU-AP2006-015).Publication date
2010-09Publisher
Universidad del País VascoBibliographic Citation
GÓMEZ DÍAZ, Juan Sebastián; ÁLVAREZ MELCÓN, Alejandro y BERTUCH, Thomas. Antenas CRLH LWA basadas en guía de onda: análisis teórico y demostración experimental. En: Simposium Nacional de la Unión Científica Internacional de Radio (25º: 1010: 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
Antena de comportamiento zurdo-diestro (CRLH)Guía de onda
Slot
Composite right/left-handed (CRLH)
Waveguide
Antena leaky wave
Via-holes
Via-holes
Abstract
A novel composite right/left-handed leaky-wave antenna
(CRLH LWA), based on periodically loaded parallel-plate
waveguides (PPW) is presented. The loading is obtained by a
rectangular grid of vertical wires and parallel slots etched in the
upper metal plane of the PPW. A novel modal-based iterative
circuit is proposed for the complete analysis and design of this
type of antennas. The coupling between the antenna and freespace
is rigourously modeled using a mode-matching technique,
combined with the Floquet’s theorem. This provides a lossy
dispersive CRLH unit-cell model, whose values are obtained
using a quickly-convergent iterative algorithm. The proposed
method is accurate, extremely fast and it takes into account
the structure physical dimensions. A CRLH PPW LWA has
been designed (without requiring any time consuming full-wave
simulation), analyzed and fabricated using the proposed method.
Very good agreement has been found between measurements and
simulations, validating ...
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