Two Techniques for the Efficient Numerical Calculation of the Green's Functions for Planar Shielded Circuits and Antennas
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Grupo Electromagnetismo Aplicado a las TelecomunicacionesÁrea de conocimiento
Teoría de la Señal y las ComunicacionesPatrocinadores
Universidad Politécnica Federal de LausanneFecha de publicación
2000-09Editorial
IEEECita bibliográfica
ÁLVAREZ MELCÓN, A., MOSIG, J.R. Two Techniques for the Efficient Numerical Calculation of the Green's Functions for Planar Shielded Circuits and Antennas. En IEEE Transactions on Microwave Theory and Techniques. 2000. Vol. 48, n. 9, pp. 1492-1504. ISSN 0018-9480Revisión por pares
SIPalabras clave
Boxed circuitsconvergence acceleration
Green functions
Infinite series
Integral equations
Multilayer media
Shielded circuits
Resumen
In this paper we present new contributions to the
computation of the Green's functions arising in the analysis of mul-
tilayered shielded printed circuits and antennas. First the quasi-
static term of the spectral domain Green's functions is extracted
so that the convergence of the reminder dynamic modal series is
enhanced. Moreover, it is shown that by extracting a second-order
quasi-static term the convergence is further improved. In regard to
the quasi-static terms they are computed in the spatial domain by
numerically evaluating the associated spatial images series. Then a
new and efficient technique is developed for the summation of the
slowly convergent modal series. The technique can be viewed as
the application of the integration by parts technique to discrete se-
quences and greatly accelerates the convergence rate of the series
involved. It is shown that the new algorithm is numerically very
robust and leads to a drastic reduction in the computational ef-
fort ...
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