Analysis of Finite Microstrip Structures Using an Efficient Implementation of the Integral Equation Technique
Author
Quesada Pereira, Fernando Daniel; Gómez Tornero, José Luis; Cañete Rebenaque, David; Pascual García, Juan; Álvarez Melcón , AlejandroResearch Group
Grupo Electromagnetismo Aplicado a las TelecomunicacionesKnowledge Area
Teoría de la Señal y las ComunicacionesSponsors
This work has been supported bythe Spanish National Project ESP2001-4546-PE, and RegionalSeneca Project PB/4/FS/02.Realizado en/con
Universidad Politecnica de CartagenaPublication date
2005-01Publisher
American Geophysical Union (AGU)Bibliographic Citation
Quesada Pereira, F., J. L. Gómez Tornero, D. Cañete Rebenaque, J. Pascual García, and A. Álvarez Melcón (2005),Analysis of finite microstrip structures using an efficient implementation of the integral equation technique,Radio Sci.,40,RS1004, doi:10.1029/2004RS003036Peer review
SIKeywords
Electromagnetic analysisIntegral equations
Microstrip antennas
Moment method
Abstract
An efficient numerical implementation of the Integral Equation technique (IE) has
been developed for the analysis of the electrical characteristics of finite microstrip structures.
The technique formulates a volume version of the IE for the finite dielectric objects, and a
standard surface IE technique for the metallic areas. The system of integral equations formu-
lated are solved with special numerical techniques described in this paper. The input impedances
of several microstrip antennas have been computed, showing good agreement with respect mea-
surements. The technique has shown to be accurate even for complex geometries containing
several stacked dielectric layers. The radiation patterns of the structures have also been com-
puted, and measured results from real manufactured hardware confirm that backside radiation
and secondary lobes are accurately predicted by the theoretical model. The paper also discuss
a suitable excitation model for finite size ground planes, and ...
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