About: Exploitation of particle filter for forecast error covariance structure estimation

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper presents a scheme for estimation of spatio-temporal evolution of a quantity with unknown model error based on LU model. Solution of LU model is efficient and easy to implementation even for high dimensional problems. Model error is assumed to be uniformly distributed and it is estimated upon measured and modeled values. Methods of linear programming are applied to the problem. The main contribution of this paper is application of general LU estimation algorithm to the linear--uniform problem with unknown model error magnitude. Methodology is demonstrated on the problem of modeling of spatio--temporal evolution of groundshine--dose from radionuclides deposited on terrain in long--time horizon. Achieved results and the methodology is compared to the results obtained by an approach based on the MPF algorithm. The advantages of particular methods are concluded. The paper presents a scheme for estimation of spatio-temporal evolution of a quantity with unknown model error based on LU model. Solution of LU model is efficient and easy to implementation even for high dimensional problems. Model error is assumed to be uniformly distributed and it is estimated upon measured and modeled values. Methods of linear programming are applied to the problem. The main contribution of this paper is application of general LU estimation algorithm to the linear--uniform problem with unknown model error magnitude. Methodology is demonstrated on the problem of modeling of spatio--temporal evolution of groundshine--dose from radionuclides deposited on terrain in long--time horizon. Achieved results and the methodology is compared to the results obtained by an approach based on the MPF algorithm. The advantages of particular methods are concluded. (en) článek se zabývá schématem pro odhadování spatio-temporální evoluce kvantity s neznámým modelem chyb založeném na modelu LU. (cs)
Title	Exploitation of particle filter for forecast error covariance structure estimation Využití částečného filtrování pro odhadování chyb kovariace struktury odhadů (cs) Exploitation of particle filter for forecast error covariance structure estimation (en)
skos:prefLabel	Exploitation of particle filter for forecast error covariance structure estimation Využití částečného filtrování pro odhadování chyb kovariace struktury odhadů (cs) Exploitation of particle filter for forecast error covariance structure estimation (en)
skos:notation	RIV/67985556:_____/08:00314032!RIV09-GA0-67985556
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA102/07/1596), Z(AV0Z10750506)
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Hofman, Radek
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav teorie informace a automatizace AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	367376
http://linked.open...ai/riv/idVysledku	RIV/67985556:_____/08:00314032
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	data assimilation; estimation; marginalized; particle filter; model error covariane structure (en)
http://linked.open.../riv/klicoveSlovo	estimation data assimilation particle filter marginalized model error covariane structure
http://linked.open...ontrolniKodProRIV	[B11CE529AF83]
http://linked.open...v/mistoKonaniAkce	Izola
http://linked.open...i/riv/mistoVydani	Izola
http://linked.open...i/riv/nazevZdroje	Proceedings of the 9th International PhD Workshop on Systems and Control, Young Generation Viewpoint
http://linked.open...in/vavai/riv/obor	BC
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Assimilation methods of mathematical model of harmful substances propagation with real observations for emergency management support
http://linked.open...UplatneniVysledku	2008
http://linked.open...iv/tvurceVysledku	Hofman, Radek
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2008-10-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Pokročilé matematické metody získávání, zpracování a využití informací a znalostí ve složitých a nedeterministických systémech
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Jozef Stefan Institute
https://schema.org/isbn	978-961-264-003-3

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