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Multilevel adaptive cross approximation (MLACA)
Tamayo Palau, José María; Heldring, Alexander; Rius Casals, Juan Manuel
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. ANTENNALAB - Grup d'Antenes i Sistemes Radio
In recent years, several methods have been developed for accelerating the iterative solution of the electromagnetic integral equations discretized by Method of Moments (MoM). Most of them are based on the compressibility of parts of the MoM matrix when they correspond to the interaction between two distant boxes. Among them, a promising one is the Adaptive Cross Approximation (ACA) [1] which combined with a SVD recompression achieves very good results, especially for moderately large number of unknowns N. In this paper we propose a multilevel implementation of the ACA leading to a highly enhanced compression rate.
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Processament del senyal
Electromagnetic interference
Integrals
Senyal, Teoria del (Telecomunicació)
info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/conferenceObject
IEEE
         

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