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Hybrid MoM Approaches for High Fidelity and Effective Modeling in large Antenna Farm and Scattering Problems

M.Bercigli, F.Vipiana, P.De Vita, A.Mori, A.Freni, G.Vecchi, R.Guidi, M.Bandinelli

Abstract: The keyword in the actual panorama of large antenna farm and scattering problems modelling is ldquoaccuracyrdquo or, in other words, the concept of ldquohigh fidelity modellingrdquo, the only way to cut development and/or prototyping costs. The integral equation (IE) approach is typically used to manage antenna problems where the accuracy is a basic requirement, through the Method of Moment (IE-MoM) approach. It is well known, however, that standard MoM techniques are severely limited by the required computational efforts and condition numbers involved in the very electrically large and multi-scale problems usually of interest. In this communication the results of the application of Multi- resolution (MR) as physical based pre-conditioner on real-life large and multi-scale geometries in combinations whit MLFMA are presented.

Published on European Conference on Antennas & Propagation (EuCAP2009)