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On the frequency dependence of anomalous attenuation of sounding waves in the case of ionospheric modification by high-power radio emission

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Abstract

The dependence of anomalous attenuation of sounding waves on the frequency f is studied experimentally in the case of ionospheric F-layer modification by high-power radio emission. It is shown that anomalous attenuation increases for |f−f0| < 20 kHz, f<f0 (f0 is the pump-wave frequency) and decreases for f>-f0 compared with the frequencies that are more distant from f0. This phenomenon is caused by plasma displacement and formation of a stepped electron-density profile in the region of upper hybrid resonance of the pump wave.

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Authors
  1. S. M. Grach
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  2. G. P. Komrakov
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  3. M. M. Shwarts
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  4. M. A. Yurishchev
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Additional information

Radiophysical Research Institute, Nizhny Novgorod, Russia. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 41, No. 8, pp. 966–977, August, 1998.

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Grach, S.M., Komrakov, G.P., Shwarts, M.M. et al. On the frequency dependence of anomalous attenuation of sounding waves in the case of ionospheric modification by high-power radio emission. Radiophys Quantum Electron 41, 653–660 (1998). https://doi.org/10.1007/BF02676473

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  • DOI: https://doi.org/10.1007/BF02676473

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