About: Post-Correction of ADC Non-Linearity Using Integral Non-Linearity Curve

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.computingonline.net
Description	The accuracy of AD conversion can be improved using the post-correction of digitizer non-linearity. In principle two methods could be applied – look-up table or an analytical inverse function of integral non-linearity curve (INL(n)). Look-up table can be easily implemented but it demands huge memory space particularly for high resolution ADCs. Inverse function offers flexible solution for parameterization (e.g. frequency dependence) but it also requires fast DSP for real-time correction. The data or coefficients for both methods are frequently determined from a histogram of acquired pure sinusoidal signal. Non-linearity curve can also be gained by another procedure demanding significantly less samples – approximation from a frequency spectrum. The correction of ADC nonlinearity by means of inverse function of INL(n) curve is analyzed in this paper and the results are presented. The accuracy of AD conversion can be improved using the post-correction of digitizer non-linearity. In principle two methods could be applied – look-up table or an analytical inverse function of integral non-linearity curve (INL(n)). Look-up table can be easily implemented but it demands huge memory space particularly for high resolution ADCs. Inverse function offers flexible solution for parameterization (e.g. frequency dependence) but it also requires fast DSP for real-time correction. The data or coefficients for both methods are frequently determined from a histogram of acquired pure sinusoidal signal. Non-linearity curve can also be gained by another procedure demanding significantly less samples – approximation from a frequency spectrum. The correction of ADC nonlinearity by means of inverse function of INL(n) curve is analyzed in this paper and the results are presented. (en)
Title	Post-Correction of ADC Non-Linearity Using Integral Non-Linearity Curve Post-Correction of ADC Non-Linearity Using Integral Non-Linearity Curve (en)
skos:prefLabel	Post-Correction of ADC Non-Linearity Using Integral Non-Linearity Curve Post-Correction of ADC Non-Linearity Using Integral Non-Linearity Curve (en)
skos:notation	RIV/68407700:21230/13:00207967!RIV14-MSM-21230___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6840770015)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Slepička, David Suchánek, Petr Haasz, Vladimír
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	97688
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/13:00207967
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	analog-to-digital converter; ADC non-linearity; INL; transfer function; approximation; non-linearity correction; simulations; experimental verification (en)
http://linked.open.../riv/klicoveSlovo	approximation transfer function experimental verification INL analog-to-digital converter simulations ADC non-linearity non-linearity correction
http://linked.open...odStatuVydavatele	UA - Ukrajina
http://linked.open...ontrolniKodProRIV	[F0DD4F96C586]
http://linked.open...i/riv/nazevZdroje	International Journal of Computing
http://linked.open...in/vavai/riv/obor	JB
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	12
http://linked.open...iv/tvurceVysledku	Slepička, David Suchánek, Petr Haasz, Vladimír
http://linked.open...n/vavai/riv/zamer	Research of Methods and Systems for Measurement of Physical Quantities and Measured Data Processing.
issn	1727-6209
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	21230

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