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Propagation of Short Radio Pulses through Delay Line of a Cold TWT

A technique for the simulation of wideband non-stationary electromagnetic fields excited in a regular dispersive delay line by an electron beam is proposed. This is based on a generalized wave equation numerical solving. A particular case of the technique use is shown by the simulation of short radio pulse advance in the delay line of the Northrop-Grumman "cold" traveling wave tube