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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ozdemir, N.A. Gonzalez-Ovejero, D. Craeye, C. |
| Copyright Year | 2013 |
| Description | Author affiliation: Univ. of Siena, Siena, Italy (Gonzalez-Ovejero, D.) || Electr. Eng. Dept., Univ. catholique de Louvain, Louvain-la-Neuve, Belgium (Ozdemir, N.A.; Craeye, C.) |
| Abstract | A preconditioning methodology is proposed to preserve the low-rank representation of Method-of-Moments interaction matrix blocks in the context of multiple-scattering-based Macro Basis Function methodology. The scatterer is divided into sub-domains that can be connected with each other. A low-rank representation is obtained by employing the incomplete QR factorization without constructing the interaction matrix blocks a priori. Performing compression before preconditioning allows one to change at will the preconditioning technique. The preconditioning considered in this study is based on nearest interactions and involves auxiliary sub-domains which are immediately connected with the sub-domain of interest and partially overlap neighboring sub-domains. Low-rank representation of the interaction matrices is preserved by dealing with the auxiliary sub-domains separately. This approach comes at the cost of an overhead in terms of memory, which is directly connected with the size of the auxiliary sub-domain. |
| Starting Page | 133 |
| Ending Page | 136 |
| File Size | 403417 |
| Page Count | 4 |
| File Format | |
| e-ISBN | 9781467357074 |
| DOI | 10.1109/ICEAA.2013.6632205 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-09-09 |
| Publisher Place | Italy |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Transmission line matrix methods Memory management Silicon Electronic mail Approximation methods Method of moments Antennas |
| Content Type | Text |
| Resource Type | Article |
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