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A Subspace-Splitting Moment-Matching Model-Order Reduction Technique for Fast Wideband FEM Simulations of Microwave Structures
Abstrakt
This article describes a novel model-order reduction (MOR) approach for efficient wide frequency band finite-element method (FEM) simulations of microwave components. It relies on the splitting of the system transfer function into two components: a singular one that accounts for the in-band system poles and a regular part that has no in-band poles. In order to perform this splitting during the reduction process, the projection basis is formed of two sets of orthogonal vectors that must be computed in sequence. The first set to be computed consists of the in-band eigenvectors that are associated with the dynamics of the electromagnetic field, while the second set uses the block moments of the original system, which are computed in the orthogonal complement to the subspace spanned by the in-band eigenvectors. The advantage of this method is that it results in a more compact reduced-order model than a method that employs only moment matching for the projection basis computations.
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Autorzy (4)
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Valentin de la Rubia Phd
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Pełna treść
- Wersja publikacji
- Accepted albo Published Version
- Licencja
- Copyright (2020 IEEE)
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
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IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
nr 68,
strony 3229 - 3241,
ISSN: 0018-9480 - Język:
- angielski
- Rok wydania:
- 2020
- Opis bibliograficzny:
- Szypulski D., Fotyga G., de la Rubia V., Mrozowski M.: A Subspace-Splitting Moment-Matching Model-Order Reduction Technique for Fast Wideband FEM Simulations of Microwave Structures// IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES -Vol. 68,iss. 8 (2020), s.3229-3241
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1109/tmtt.2020.3001627
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 87 razy