Green's Functions in Lossy Layered Media: Integration Along the Imaginary Axis and Asymptotic Behavior
Grupo de investigación
Grupo de Electromagnetismo Aplicado a las Telecomunicaciones (GEAT)Área de conocimiento
Teoría de la Señal y las ComunicacionesPatrocinadores
Universidad Politécnica Federal de LausanneFecha de publicación
2003Cita bibliográfica
MOSING, J.R., ÁLVAREZ MELCÓN, A. Green's Functions in Lossy Layered Media: Integration Along the Imaginary Axis and Asymptotic Behavior. En: IEEE Transactions on antennas and propagation, 2003. 3200-3208 p., vol.51, nº. 12,Revisión por pares
SIPalabras clave
Asymptotic behaviorIntegral equation technique
Multilayered Green's functions
Printed antennas
Printed circuits
Resumen
This paper presents an efficient technique for eval-
uating Green's functions associated to layered media, when for-
mulated as Sommerfeld integrals in the space domain. The key
step in the formulation is that Sommerfeld integrals are computed
choosing a suitable integration path which is closed through the
imaginary axis of the complex spectral plane. It is shown that with
this original choice of the integration contour, the numerical effort
usually involved in the evaluation of Sommerfeld integrals can be
greatly reduced, specially when large source-observer distances are
involved. One asset of this technique is that it can be easily incorpo-
rated into integral equation based CAD packages for the efficient
analysis of complex printed microwave circuit and antennas. In ad-
dition, the theoretical developments needed to set up the numerical
algorithm throw a new light on the asymptotic behavior of the lay-
ered media Green's functions for large source-observer distances.
Colecciones
- Artículos [1741]
El ítem tiene asociados los siguientes ficheros de licencia:
Redes sociales