Application of digital filters to check quality of the automatically scaled ionograms

0444970 - ÚFA 2016 RIV SK eng J - Článek v odborném periodiku
Rejfek, Luboš - Mošna, Zbyšek - Kouba, Daniel - Boška, Josef - Burešová, Dalia
Application of digital filters to check quality of the automatically scaled ionograms.
Journal of Electrical Engineering - Elektrotechnický časopis. Roč. 66, č. 3 (2015), s. 164-168. ISSN 1335-3632. E-ISSN 1339-309X
Grant CEP: GA ČR(CZ) GAP209/12/2440; GA ČR(CZ) GA15-24688S
Institucionální podpora: RVO:68378289
Klíčová slova: ionogram * F2 layer * critical frequency * virtual height * Total Electron Content (TEC) * finite impulse response filter
Kód oboru RIV: DG - Vědy o atmosféře, meteorologie
Impakt faktor: 0.407, rok: 2015
http://iris.elf.stuba.sk/JEEEC/data/pdf/3_115-07.pdf

The ionospheric observatory Pruhonice serves to monitor the state of ionosphere using ground-based vertical sounding instrument - the Digisonde DPS-4D. Measured ionograms are automatically evaluated (scaled) and basic characteristics are derived. The ionograms and the scaled parameters are sent to the international databases. Especially during disturbed conditions the automatic scaling could give unreliable results. This paper presents simple method how to detect accidental errors in automatic scaling based on the parameters derived from ionograms and on an application of the finite impulse response filters.
Trvalý link: http://hdl.handle.net/11104/0247537