Project supported by the National Natural Science Foundation of China (Grant Nos. 60601004, 60801029, 10876005, and 60931001)
A one-dimensional nonlinear time-dependent theory for helix traveling wave tubes is studied. A generalized electromagnetic field is applied to the expression of the radio frequency field. To simulate the variations of...
supported by the National Natural Science Foundation of China (Grant Nos. 60601004,60801029,10876005,and60931001)
This paper presents a three-dimensional time-dependent nonlinear theory of helix traveling wave tubes for beam- wave interaction. The radio frequency electromagnetic fields are represented as the superposition of azim...