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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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|
|Institution:|| Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE|
Other partners > NXP Semiconductors (FRANCE)
Département d'Electronique, Optronique et Signal - DEOS (Toulouse, France) - Micro-ondes et Optique pour Systèmes Embarqués - MOSE
|Deposited By:||Cécile de_roquemaurel|
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