Numerical evaluation of the Greens's functions for cylindrical enclosures by a new spatial images method
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URI: http://hdl.handle.net/10317/6704Share
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Quesada Pereira, Fernando Daniel; Vera Castejón, Pedro; Cañete Rebenaque, David; Pascual García, Juan; Álvarez Melcón , AlejandroResearch Group
Electromagnetismo Aplicado a las TelecomunicacionesKnowledge Area
Teoría de la Señal y las ComunicacionesSponsors
This work was supported by the Spanish National Project ESP2001-4546-PE and by the Regional Seneca Project 2002 PB/4/FS/02Realizado en/con
Universidad Politecnica de CartagenaPublication date
2005-01Publisher
IEEE PressBibliographic Citation
F. D. Q. Pereira, P. V. Castejon, D. C. Rebenaque, J. P. Garcia and A. A. Melcon, "Numerical evaluation of the Green's functions for cylindrical enclosures by a new spatial images method," in IEEE Transactions on Microwave Theory and Techniques, vol. 53, no. 1, pp. 94-105, Jan. 2005, doi: 10.1109/TMTT.2004.839332.Peer review
SIKeywords
Boxed circuitsCavities
Circular waveguides
Green's functions
Integral equations (IEs)
Printed circuits
Shielded circuits
Abstract
In this paper, a spatial images technique is used
to efficiently calculate the mixed potential Green's functions associated to magnetic sources when they are placed inside a circular cylindrical cavity. The technique places magnetic dipole images and charges outside the cylindrical region. Their strength
and orientation are then calculated by imposing the appropriate boundary conditions for the fields at discrete points of the metallic wall. In this paper, the basic technique is combined with spatial domain multilayered Green's functions formulated with Sommerfeld integrals. This allows the analysis of practical multilayered circuits shielded in circular cavities. Convergence results are shown to demonstrate the usefulness of the technique.
Two practical microwave circuits are also analyzed to show the validity of the formulation.
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