The use of infinitesimal dipoles and the spherical wave expansion for planar antennas modeling - DRE - Département de Recherche en Electromagnétisme Accéder directement au contenu
Communication Dans Un Congrès Année : 2010

The use of infinitesimal dipoles and the spherical wave expansion for planar antennas modeling

Résumé

In this paper, a method to derive an equivalent radiation model for planar antennas is presented. This method uses the spherical near-field (NF) data (measured or computed) to ascertain an equivalent set of infinitesimal dipoles placed over the main antenna surface. The spherical wave expansion (SWE) of the NF data is written in terms of infinitesimal dipoles using a transition matrix. This matrix expresses the linear relations between the spherical wave coefficients of the antenna and the spherical wave coefficients of each dipole. Once the excitation of each dipole is known, the field at any angle and distance from the antenna is rapidly calculated even inside the minimum sphere. Computations with EM simulation data of an antenna array illustrate the reliability of the method.
Fichier principal
Vignette du fichier
Eucap2010_Mserhir_1.pdf (352.64 Ko) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)
Loading...

Dates et versions

hal-00553806 , version 1 (09-01-2011)

Identifiants

  • HAL Id : hal-00553806 , version 1

Citer

Mohammed Serhir, Philippe Besnier, Nicolas Ribière-Tharaud, M'Hamed Drissi. The use of infinitesimal dipoles and the spherical wave expansion for planar antennas modeling. Antennas and Propagation (EuCAP), 2010 Proceedings of the Fourth European Conference on, Apr 2010, Barcelona, Spain. pp.1. ⟨hal-00553806⟩
233 Consultations
512 Téléchargements

Partager

Gmail Facebook X LinkedIn More