Abstract
Radiation of a modulated electron beam injected at some angle with respect to the axis of a cylindrical density duct embedded into a magnetoactive plasma is investigated. An expression for the mean power lost by the beam at the modulation frequency is derived and analyzed. It is shown that, in the case of the resonance between the beam and one of the weakly leaking waves of the duct with an increased plasma density, the power lost by the beam at the modulation frequency can increase substantially as compared to the case of injection of this beam into a homogeneous background plasma.
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Original Russian Text © T.M. Zaboronkova, C. Krafft, 2006, published in Radiotekhnika i Elektronika, 2006, Vol. 51, No. 6, pp. 683–693.
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Zaboronkova, T.M., Krafft, C. Radiation of whistler-band waves by a spiral electron beam in magnetoactive plasma in the presence of a density duct. J. Commun. Technol. Electron. 51, 642–652 (2006). https://doi.org/10.1134/S1064226906060040
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DOI: https://doi.org/10.1134/S1064226906060040