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Features of Radio Emission Propagation in the Ionosphere under Conditions of Threshold Nonlinearity

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Abstract

The well-known problem of nonlinear wave–ionosphere interaction under conditions of threshold nonlinearity is considered. It is believed that nonlinear effects arise only for high-power radiation, when the wave amplitude exceeds a certain threshold value. The possibility of the existence of concentrated wave fields under these conditions is shown. It is revealed that a certain ratio of nonlinearity parameters leads to an increase in the radio emission intensity, since the interaction of individual solitons can lead to their merging into a higher-power solitary wave. The presence of threshold nonlinearity can lead to the formation of an ordered structure of solitary waves.

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This work was supported by ongoing institutional funding. No additional grants to carry out or direct this particular research were obtained.

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  1. Pushkov Institute of Terrestrial Magnetism, Ionosphere, and Radio Wave Propagation, 108840, Moscow, Troitsk, Russia

    V. A. Eremenko & N. I. Manaenkova

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  1. V. A. Eremenko
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  2. N. I. Manaenkova
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Correspondence to N. I. Manaenkova.

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Eremenko, V.A., Manaenkova, N.I. Features of Radio Emission Propagation in the Ionosphere under Conditions of Threshold Nonlinearity. Geomagn. Aeron. 64, 242–247 (2024). https://doi.org/10.1134/S0016793223601047

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  • DOI: https://doi.org/10.1134/S0016793223601047

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