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Numerical artifacts in finite-difference time- domain algorithms analyzed by means of principal components

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dc.contributor.authorLópez Alonso, José Manuel
dc.contributor.authorRico García, José María
dc.contributor.authorAlda Serrano, Javier
dc.date.accessioned2023-06-20T11:05:07Z
dc.date.available2023-06-20T11:05:07Z
dc.date.copyright© 2005 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.”
dc.date.issued2005-09-06
dc.description.abstractFinite-difference time-domain (FDTD) algorithms are affected by numerical artifacts and noise. In order to obtain better results we propose the use of the principal component analysis based on multivariate statistical techniques. It allows a straightforward discrimination between the numerical noise and the actual electromagnetic field distributions, and the quantitative estimation of their respective contributions. Besides, the FDTD results can be filtered to clean the effect of the noise. The method has been applied successfully to two dimensional simulations: propagation of a pulse in vacuum using total field-scattered field techniques, and mode computation in a two-dimensional photonic crystal. In this last case, PCA has revealed hidden electromagnetic structures related to actual modes of the photonic crystal.en
dc.description.departmentSección Deptal. de Óptica (Óptica)
dc.description.facultyFac. de Óptica y Optometría
dc.description.refereedTRUE
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/35050
dc.identifier.citationLópez Alonso, J. M., Rico García, J. M., Alda Serrano, J. «Numerical artifacts in finite-difference time- domain algorithms analyzed by means of principal components». IEEE Transactions on Antennas and Propagation, vol. 53, n.o 9, septiembre de 2005, pp. 2920-27. IEEE Xplore, https://doi.org/10.1109/TAP.2005.854555.
dc.identifier.doi10.1109/TAP.2005.854555
dc.identifier.issn0018-926X
dc.identifier.officialurlhttp://dx.doi.org/10.1109/TAP.2005.854555
dc.identifier.relatedurlhttp://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=1504949&queryText=numerical%20artifacts%20in%20finite&newsearch=true
dc.identifier.urihttps://hdl.handle.net/20.500.14352/51691
dc.issue.number9
dc.journal.titleIEEE Transactions on Antennas and Propagation
dc.language.isoeng
dc.page.final2927
dc.page.initial2920
dc.publisherIEEE
dc.rights.accessRightsopen access
dc.subject.cdu535.3
dc.subject.cdu537.8
dc.subject.keywordFiltering noise
dc.subject.keywordFinite-difference time-domain (FDTD) methods
dc.subject.keywordPhotonic crystal
dc.subject.keywordPrincipal component analysis (PCA)
dc.subject.keywordTotal field—scattered field excitation
dc.subject.ucmElectromagnetismo
dc.subject.ucmÓptica (Física)
dc.subject.ucmÓptica física, óptica cuántica
dc.subject.unesco2202 Electromagnetismo
dc.subject.unesco2209.19 Óptica Física
dc.subject.unesco2209.19 Óptica física
dc.titleNumerical artifacts in finite-difference time- domain algorithms analyzed by means of principal componentsen
dc.typejournal article
dc.volume.number53
dspace.entity.typePublication
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relation.isAuthorOfPublicationa5f0b8a9-10aa-4bf8-9527-e94b095468b8
relation.isAuthorOfPublication.latestForDiscoverye52aef01-c246-4f9f-9cfd-d9dfb2a8ee79

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