Performances of MR‐preconditioned fast MoM techniques | Zendy

De Vita P. | Zendy; De Vita F. | Zendy; Freni A. | Zendy; Pirinoli P. | Zendy; Vipiana F. | Zendy; Vecchi G. | Zendy

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Performances of MR‐preconditioned fast MoM techniques

Author(s) -

De Vita P.,

De Vita F.,

Freni A.,

Pirinoli P.,

Vipiana F.,

Vecchi G.

Publication year - 2010

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.25320

Subject(s) - factorization , microwave , scheme (mathematics) , method of moments (probability theory) , algebraic number , computer science , computational science , algorithm , computational complexity theory , electronic engineering , mathematics , engineering , mathematical analysis , telecommunications , statistics , estimator

In this article, we describe the integration of a multiresolution (MR) approach into a few fast factorization methods for the method‐of‐moments (MoM), with specific attention to the analysis of large nonperiodic arrays. The MR approach allows a physics‐based preconditioning scheme (as opposed to algebraic preconditioners) that requires a low‐memory occupation and a low‐computational cost for its generation and application to fast factorizations. In particular, we present a theoretical and experimental analysis that shows that the complexity of the resulting fast‐MR algorithm is still of the order of the original fast factorization method. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 1719–1724, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25320

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