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Radiation efficiency and surface waves for patch antennas on inhomogeneous substrates

In English

Författare

Summary, in English

Surface wave characteristics and radiation efficiency are calculated for a patch antenna with a given current distribution and located on top of an inhomogeneous, isotropic substrate. The substrate is infinite in the lateral directions and inhomogeneous with respect to the height coordinate. The surface waves in the substrate are analysed using the propagator technique and residue calculus. The propagators and the residues are found by solving two sets of systems of ordinary differential equations (ODEs). Several dispersion curves of the surface waves for inhomogeneous substrates are calculated. The radiation efficiency is compared with the corresponding quantities of a printed antenna on a homogeneous substrate.

Publiceringsår

2003

Språk

Engelska

Sidor

477-483

Publikation/Tidskrift/Serie

IEE Proceedings - Microwaves Antennas and Propagation

Volym

150

Issue

6

Dokumenttyp

Artikel i tidskrift

Förlag

IEE

Ämne

  • Other Electrical Engineering, Electronic Engineering, Information Engineering
  • Electrical Engineering, Electronic Engineering, Information Engineering

Status

Published

Forskningsgrupp

  • Electromagnetic theory

ISBN/ISSN/Övrigt

  • ISSN: 1350-2417