About: Optimal Low-Frequency Filter Design for Uncertain 2-1 Sigma-Delta Modulators

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Variability in the analogue components of integrators in cascaded 2-1 Sigma-Delta modulators causes imperfect cancellation of first stage quantization noise, and reduced signal-to-noise ratio in analogue-to-digital converters. Design of robust matching filters based on low-frequency weighted convex optimization over uncertain linearized representations are mathematically very complex and computationally intensive, and offer little insight into the solution. This letter describes a design method based on formal optimization of a low-frequency uncertain linearized model of the modulator, and leads to a simple intuitive result which can shed light on the more complex models. Simulation results confirm the optimal properties of the filter. Variability in the analogue components of integrators in cascaded 2-1 Sigma-Delta modulators causes imperfect cancellation of first stage quantization noise, and reduced signal-to-noise ratio in analogue-to-digital converters. Design of robust matching filters based on low-frequency weighted convex optimization over uncertain linearized representations are mathematically very complex and computationally intensive, and offer little insight into the solution. This letter describes a design method based on formal optimization of a low-frequency uncertain linearized model of the modulator, and leads to a simple intuitive result which can shed light on the more complex models. Simulation results confirm the optimal properties of the filter. (en)
Title	Optimal Low-Frequency Filter Design for Uncertain 2-1 Sigma-Delta Modulators Optimal Low-Frequency Filter Design for Uncertain 2-1 Sigma-Delta Modulators (en)
skos:prefLabel	Optimal Low-Frequency Filter Design for Uncertain 2-1 Sigma-Delta Modulators Optimal Low-Frequency Filter Design for Uncertain 2-1 Sigma-Delta Modulators (en)
skos:notation	RIV/68407700:21230/09:00158285!RIV10-MSM-21230___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA102/06/0652), Z(MSM6840770038)
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Henrion, Didier
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	331874
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/09:00158285
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Cascaded delta-sigma modulator; convex optimization; nominal filter; robust filter (en)
http://linked.open.../riv/klicoveSlovo	Cascaded delta-sigma modulator nominal filter robust filter convex optimization
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[3F199BCFF3F0]
http://linked.open...i/riv/nazevZdroje	IEEE SIGNAL PROCESSING LETTERS
http://linked.open...in/vavai/riv/obor	BD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Software for polynomial matrix inequality optimization
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	16
http://linked.open...iv/tvurceVysledku	Henrion, Didier
http://linked.open...ain/vavai/riv/wos	000269791300007
http://linked.open...n/vavai/riv/zamer	Decision Making and Control for Manufacturing III
issn	1070-9908
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	21230
is http://linked.open...avai/riv/vysledek of	Optimal Low-Frequency Filter Design for Uncertain 2-1 Sigma-Delta Modulators Optimal Low-Frequency Filter Design for Uncertain 2-1 Sigma-Delta Modulators Optimal Low-Frequency Filter Design for Uncertain 2-1 Sigma-Delta Modulators Optimal Low-Frequency Filter Design for Uncertain 2-1 Sigma-Delta Modulators

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