DC Field | Value | Language |
---|---|---|
dc.contributor.author | Lee, Dae Gwan | ko |
dc.contributor.author | Ferreira, Paulo J. S. G. | ko |
dc.date.accessioned | 2015-11-20T09:00:44Z | - |
dc.date.available | 2015-11-20T09:00:44Z | - |
dc.date.created | 2015-02-26 | - |
dc.date.created | 2015-02-26 | - |
dc.date.issued | 2014-12 | - |
dc.identifier.citation | IEEE SIGNAL PROCESSING LETTERS, v.21, no.12, pp.1443 - 1447 | - |
dc.identifier.issn | 1070-9908 | - |
dc.identifier.uri | http://hdl.handle.net/10203/200961 | - |
dc.description.abstract | A bandlimited signal can oscillate at a rate faster than its bandlimit. This phenomenon, called "superoscillation", has applications e.g. in superresolution and superdirectivity. The synthesis of superoscillations is a numerically difficult problem. We introduce time translation as a design parameter and give an explicit closed formula for the condition number of the matrix of the problem, as a function of. This enables us to determine the best possible condition number, which is several orders of magnitude better than otherwise achievable. | - |
dc.language | English | - |
dc.publisher | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC | - |
dc.subject | OPTICAL SUPERRESOLUTION | - |
dc.subject | EVANESCENT WAVES | - |
dc.subject | ZEROS | - |
dc.title | Superoscillations with Optimal Numerical Stability | - |
dc.type | Article | - |
dc.identifier.wosid | 000348201100001 | - |
dc.identifier.scopusid | 2-s2.0-84905578611 | - |
dc.type.rims | ART | - |
dc.citation.volume | 21 | - |
dc.citation.issue | 12 | - |
dc.citation.beginningpage | 1443 | - |
dc.citation.endingpage | 1447 | - |
dc.citation.publicationname | IEEE SIGNAL PROCESSING LETTERS | - |
dc.identifier.doi | 10.1109/LSP.2014.2339731 | - |
dc.contributor.nonIdAuthor | Ferreira, Paulo J. S. G. | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | Algorithms | - |
dc.subject.keywordAuthor | condition number | - |
dc.subject.keywordAuthor | Hilbert space | - |
dc.subject.keywordAuthor | interpolation | - |
dc.subject.keywordAuthor | matrices | - |
dc.subject.keywordAuthor | nonuniform sampling | - |
dc.subject.keywordAuthor | numerical stability | - |
dc.subject.keywordAuthor | sampling methods | - |
dc.subject.keywordAuthor | signal design | - |
dc.subject.keywordAuthor | superoscillations | - |
dc.subject.keywordPlus | OPTICAL SUPERRESOLUTION | - |
dc.subject.keywordPlus | EVANESCENT WAVES | - |
dc.subject.keywordPlus | ZEROS | - |
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