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Field Computations Through the ACA Algorithm

Rob Maaskant (Institutionen för signaler och system, Antennsystem) ; Vito Lancelotti
9th European Conference on Antennas and Propagation, EuCAP 2015, Lisbon, Portugal, 13-17 May 2015 (2015)
[Konferensbidrag, refereegranskat]

The adaptive cross approximation algorithm is invoked for the fast construction of the method-of-moment matrix involving source basis functions for the currents and a set of auxiliary test functions that samples the radiated electromagnetic (EM) field. Once the adaptive cross approximation coupling matrix is constructed, the far and near fields from a source current are obtained directly through a single matrix-vector product. The post- Processing method is particularly fast when the EM fields are smoothly varying over their sampling domain, or when far fields need to be computed for many current distributions, e.g., for sets of macro basis functions arising in several domain decomposition methods.

Nyckelord: ACA algorithm, far field, near field, moment method.



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Denna post skapades 2015-12-10. Senast ändrad 2016-09-22.
CPL Pubid: 227901

 

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