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

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Radiophysics and Quantum Electronics Aims and scope

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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Authors and Affiliations

  1. Southern Federal University, Rostov-on-Don, Russia

    G. G. Vertogradov

  2. Radiophysical Research Institute of N. I. Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russia

    V. P. Uryadov, F. I. Vybornov & A. V. Pershin

  3. Polyot, a science and production enterprize, Nizhny Novgorod, Russia

    V. P. Uryadov

Authors
  1. G. G. Vertogradov
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  2. V. P. Uryadov
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  3. F. I. Vybornov
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  4. A. V. Pershin
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Corresponding author

Correspondence to F. I. Vybornov.

Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 61, No. 6, pp. 462–473, June 2018.

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Vertogradov, G.G., Uryadov, V.P., Vybornov, F.I. et al. Modeling of Decameter Radio-Wave Propagation Under Conditions of a Wave-Like Electron-Density Disturbance. Radiophys Quantum El 61, 407–417 (2018). https://doi.org/10.1007/s11141-018-9902-7

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  • DOI: https://doi.org/10.1007/s11141-018-9902-7

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