About: Study of Chance for Good DDA Drift Velocity Estimation for Ionospheric F-region Drift Measurements

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About: Study of Chance for Good DDA Drift Velocity Estimation for Ionospheric F-region Drift Measurements Goto Sponge NotDistinct Permalink

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

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Estimation of the plasma drift velocity measured by Digisonde depends on the number of reflection points and their distribution. In the paper we divide and analyse plasma drift measurements according to the number of reflection points. A detailed study of Digisonde drift measurement quality has not been published yet. Two extreme groups are selected for further detail analysis, the first one with less than 100 reflection points and the second with more than 800 points. Within the data in these groups we detect annular and diurnal variability. Measurements containing low number of the reflection points occur mainly around equinoxes and during day-time. On the contrary, maximum occurrence of the measurements with more than 800 points is in winter and summer. The lowest chance to register extreme number of the reflections is during afternoon and around sunset. Estimation of the plasma drift velocity measured by Digisonde depends on the number of reflection points and their distribution. In the paper we divide and analyse plasma drift measurements according to the number of reflection points. A detailed study of Digisonde drift measurement quality has not been published yet. Two extreme groups are selected for further detail analysis, the first one with less than 100 reflection points and the second with more than 800 points. Within the data in these groups we detect annular and diurnal variability. Measurements containing low number of the reflection points occur mainly around equinoxes and during day-time. On the contrary, maximum occurrence of the measurements with more than 800 points is in winter and summer. The lowest chance to register extreme number of the reflections is during afternoon and around sunset. (en)
Title	Study of Chance for Good DDA Drift Velocity Estimation for Ionospheric F-region Drift Measurements Study of Chance for Good DDA Drift Velocity Estimation for Ionospheric F-region Drift Measurements (en)
skos:prefLabel	Study of Chance for Good DDA Drift Velocity Estimation for Ionospheric F-region Drift Measurements Study of Chance for Good DDA Drift Velocity Estimation for Ionospheric F-region Drift Measurements (en)
skos:notation	RIV/68378289:_____/10:00357591!RIV11-GA0-68378289
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA205/06/1267), P(GA205/06/1619), P(IAA300420704), Z(AV0Z30420517)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Koucká Knížová, Petra Kouba, Daniel
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 fyziky atmosféry AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	290746
http://linked.open...ai/riv/idVysledku	RIV/68378289:_____/10:00357591
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Drift Velocity; DDA; Estimation; F-region (en)
http://linked.open.../riv/klicoveSlovo	Estimation DDA Drift Velocity F-region
http://linked.open...ontrolniKodProRIV	[03A4A67A5DD9]
http://linked.open...v/mistoKonaniAkce	Prague
http://linked.open...i/riv/mistoVydani	Prague
http://linked.open...i/riv/nazevZdroje	WDS’10 Proceedings of Contributed Papers: Part II – Physics of Plasmas and Ionized Media
http://linked.open...in/vavai/riv/obor	DG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Sporadic E layer variability Low-frequency wave coupling of the atmosphere, ionosphere, and inner magnetosphere of the Earth Wave processes, wave structures and scaling phenomena within the ionospheric plasma
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Koucká Knížová, Petra Kouba, Daniel
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2010-06-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Studium atmosférického obalu Země v interakci s pozemskými a kosmickými vlivy
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	MATFYZPRESS
https://schema.org/isbn	978-80-7378-140-8

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