Two techniques for the efficient numerical calculation of the Green’s functions for planar shielded circuits and antennas
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Mostrar el registro completo del ítemGrupo de investigación
Grupo de Electromagnetismo Aplicado a las Telecomunicaciones (GEAT)Área de conocimiento
Teoría de la Señal y las ComunicacionesFecha de publicación
2000-09Editorial
IEEE Microwave Theory and Techniques SocietyCita bibliográfica
ÁLVAREZ MELCÓN, Alejandro, MOSING, Juan R. Two techniques for the efficient numerical calculation of the Green’s functions for planar shielded circuits and antennas. IEEE Transactions on Microwave Theory and Techniques, 48 (9): 1492-1504, Septiembre 2000. ISSN 0018-9480Palabras clave
Convergencia de aceleraciónFunciones Green
Serie infinita
Ecuaciones integrales
Antenas
Convergence acceleration
Infinite serie
Integral equation (IE)
Multilayer media
Shielded circuit
Green's functions
Boxed circuits
Cajas de circuitos
Circuitos protegidos
Resumen
In this paper we present new contributions to the
computation of the Green’s functions arising in the analysis of multilayered
shielded printed circuits and antennas. First the quasistatic
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 sequences
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 effort
and time ...
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