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Rapport (Rapport De Recherche) Année : 2005

Algorithms for Wavefront Reconstruction

Résumé

Knowing the solution to Helmholtz equation in a narrow band, with a width of order wave length around a scatterer, we investigate the possibility to construct the wave fronts predicted by the asymptotic methods Geometrical Optics (GO) and Geometrical Theory of Diffraction (GTD). More specifically we show how to build a polynomial approximation of the asymptotic solution on a circle around the scatterer and hence, in a second step, be able to propagate this solution by wavefront construction methods or standard ray-tracing.

Domaines

Autre [cs.OH]
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Dates et versions

inria-00070319 , version 1 (19-05-2006)

Identifiants

  • HAL Id : inria-00070319 , version 1

Citer

Stefan Hagdahl. Algorithms for Wavefront Reconstruction. [Research Report] RR-5696, INRIA. 2005, pp.28. ⟨inria-00070319⟩
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