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Concept of marco-pixel formulation using non-uniform fourier transform

Bajon, Damienne and Wane, Sidina Concept of marco-pixel formulation using non-uniform fourier transform. (2009) In: 25th Annual Review of Progress in Applied Computational Electromagnetics, 08-12 March 2009, Monterey, United States .

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Official URL: http://aces.ee.olemiss.edu/

Abstract

A multi-grid formulation of Green’s functions in the spatial domain based on the idea of partitioning overall electromagnetic simulation domain into macro-pixels is proposed. The concept of macro-pixel is introduced, based on physical considerations, as extension of the notion of pixel with possible spatial variations within its sub-domain, to capture both lower and higher order variations. Interactions between macro-pixels are derived to evaluate higher order and lower order modal couplings as function of normalized separation distances. The interactions between macro-pixels are efficiently computed using an original NUFFT (Non-Uniform Fast Fourier Transform) which renders possible systematic use of multi-grid space stepping. Attributes of observed coupling ranges and potential control of truncation orders at macro-pixel levels are very attractive for hybridization with time domain formulations.

Item Type:Conference or Workshop Item (Paper)
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution: Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE
Other partners > NXP Semiconductors (FRANCE)
Laboratory name:
Département d'Electronique, Optronique et Signal - DEOS (Toulouse, France) - Micro-ondes et Optique pour Systèmes Embarqués - MOSE
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Deposited By: Cécile de_roquemaurel
Deposited On:26 Mar 2009 12:58

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