Software system for automatic interpretation of ionosphere sounding data

  • Authors:

  • V. P. Grozov;N. V. Ilyin;G. V. Kotovich;S. N. Ponomarchuk

  • Affiliations:

  • Institute of Solar-Terrestrial Physics, Russian Academy of Sciences, Siberian Division, Irkutsk, Russia 664033;Institute of Solar-Terrestrial Physics, Russian Academy of Sciences, Siberian Division, Irkutsk, Russia 664033;Institute of Solar-Terrestrial Physics, Russian Academy of Sciences, Siberian Division, Irkutsk, Russia 664033;Institute of Solar-Terrestrial Physics, Russian Academy of Sciences, Siberian Division, Irkutsk, Russia 664033

  • Venue:
  • Pattern Recognition and Image Analysis
  • Year:
  • 2012

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Abstract

The present paper is concerned with methods and algorithms of the software system for the automatic interpretation of radio physics information, as acquired by an FMCW ionosonde (at the Institute of Solar-Terrestrial Physics, Siberian Branch, Russian Academy of Sciences), which provides for vertical sounding (VS) and oblique sounding (OS) of the ionosphere. The following problems were considered within this problem: (a) preprocessing to suppress noise from images and improve amplitude characteristics (b) data compression using a cellular automaton (c) interpretation of VS and OS ionograms. The method of interpreting ionograms is based on using simulation data for the frequency dependences of the long-term prediction propagation characteristics and the results of processing experimental data.