A New Excitation Model for Probe Fed Printed Antennas on Finite Size Ground Planes
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Mostrar el registro completo del ítemGrupo de investigación
Grupo Electromagnetismo Aplicado a las TelecomunicacionesÁrea de conocimiento
Teoría de la Señal y las ComunicacionesPatrocinadores
Universidad Politécnica Federal de LausanneFecha de publicación
2000-07Revisión por pares
SIPalabras clave
Integral equationExcitation models
Finite ground plane
Backside radiation
Printed antennas
Resumen
This paper presents a new excitation model
for probe-fed printed antennas on both infinite and finite
size ground planes. The model has been developed within
the general frame of the mixed potential integral equation
(MPIE) and the method of moments (MoM). The technique
is based on a delta-gap voltage model, and a special pro-
cedure is implemented inside the integral equation to ef-
fectively impose a voltage reference plane into a floating
metallic plate which is acting as a ground plane. The
present technique allows the accurate calculation of the in-
put impedance of printed antennas, and the effects of finite
size ground planes can be easily accounted for in the calcu-
lations. In addition, an efficient technique is presented for
the evaluation of the radiation patterns of printed antennas,
taking also into account the presence of finite size ground
planes. Comparisons with measured results show that the
new derived excitation method is indeed accurate, and can
be ...
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