In this electronic tube, electrons are generated from a heated cathode and move under the combined force of a radial electric field and an axial magnetic field to produce high-energy microwave radiation in the frequency range from 1-40 gigahertz.
(electrons; are generated; from a heated cathode; L:In this electronic tube) (electrons; move; under the combined force of a radial electric field and an axial magnetic field; to produce high-energy microwave radiation in the frequency range from 1-40 gigahertz; L:In this electronic tube)
electrons electrons
are generated move
from a heated cathode L:In this electronic tube
under the combined force of a radial electric field and an axial magnetic field to produce high-energy microwave radiation in the frequency range from 1-40 gigahertz L:In this electronic tube