Abstract
A linear theory of the discrete interaction of electron flows and electromagnetic waves in slow-wave structures (SWSs) is developed. The theory is based on the finite-difference equations of SWS excitation. The local coupling impedance entering these equations characterizes the field intensity excited by the electron flow in interaction gaps and has a finite value at SWS cutoff frequencies. The theory uniformly describes the electron-wave interaction in SWS passbands and stopbands without using equivalent circuits, a circumstance that allows considering the processes in the vicinity of cutoff frequencies and switching from the Cerenkov mechanism of interaction in a traveling-wave tube to the klystron mechanism when passing to SWS stopbands. The features of the equations of the discrete electron-wave interaction in pseudoperiodic SWSs are analyzed.
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Original Russian Text © V.A. Solntsev, R.P. Koltunov, 2010, published in Radiotekhnika i Elektronika, 2010, Vol. 55, No. 11, pp. 1362–1374.
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Solntsev, V.A., Koltunov, R.P. A generalized linear theory of the discrete electron-wave interaction in slow-wave structures. J. Commun. Technol. Electron. 55, 1271–1284 (2010). https://doi.org/10.1134/S1064226910110100
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DOI: https://doi.org/10.1134/S1064226910110100