Using Physical Optics shadow radiation to improve shadowing in Iterative Physical Optics - Université de Rennes Accéder directement au contenu
Communication Dans Un Congrès Année : 2014

Using Physical Optics shadow radiation to improve shadowing in Iterative Physical Optics

Résumé

Predicting aircraft ducts Radar Cross Section (RCS) is an interesting challenge. In order to calculate electromagnetic scattering in such open-ended cavities, several methods have been developed: some rigorous methods, and some asymptotic ones. Iterative Physical Optics (IPO) is an asymptotic method based on Physical Optics (PO), which has shown good results. This paper shows an improvement of IPO method for calculation of electromagnetic scattering by cavities, by using a physical approach (and not a geometrical technique as in classical PO method) to take into account shadowing effects. The method, called physical shadowing, is based on using shadow radiation (around forward direction) with PO approximation in the magnetic field integral equation applied to two coupled objects.
Fichier non déposé

Dates et versions

hal-00958623 , version 1 (13-03-2014)

Identifiants

  • HAL Id : hal-00958623 , version 1

Citer

Antoine Thomet, Gildas Kubicke, Christophe Bourlier, Philippe Pouliguen. Using Physical Optics shadow radiation to improve shadowing in Iterative Physical Optics. 2014 IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting (APS-URSI), Jul 2014, Memphis (Tennessee), United States. Paper ID: 1811. ⟨hal-00958623⟩
92 Consultations
0 Téléchargements

Partager

Gmail Facebook X LinkedIn More