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Radiophysics and Quantum Electronics

, Volume 61, Issue 6, pp 407–417 | Cite as

Modeling of Decameter Radio-Wave Propagation Under Conditions of a Wave-Like Electron-Density Disturbance

  • G. G. Vertogradov
  • V. P. Uryadov
  • F. I. Vybornov
  • A. V. Pershin
Article
  • 6 Downloads

We present the results of numerical modeling of decameter radio-wave propagation on a weakly oblique Vasilsursk—Nizhny Novgorod path under conditions of traveling ionospheric disturbances. A comparison is made with the chirp sounding data obtained in winter with an average solar activity. The direction–velocity characteristics of the wave-like disturbances are determined. It is shown that in the daytime, in a quiet magnetic environment, medium-scale wave-like disturbances of the electron density with sizes about 100 km, a period of 15 min, and relative amplitude δ ≈ 0.1 can be responsible for the crescent traces on the ionograms. The wave-like disturbances propagate at a velocity of 110 m/s at the angle β ≈ −45° to the horizon with the wave vector oriented predominantly in the east–west direction.

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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • G. G. Vertogradov
    • 1
  • V. P. Uryadov
    • 2
    • 3
  • F. I. Vybornov
    • 2
  • A. V. Pershin
    • 2
  1. 1.Southern Federal UniversityRostov-on-DonRussia
  2. 2.Radiophysical Research Institute of N. I. Lobachevsky State University of Nizhny NovgorodNizhny NovgorodRussia
  3. 3.Polyot, a science and production enterprizeNizhny NovgorodRussia

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