本文从电子回旋脉塞的非自洽理论出发,对采用变磁場的均匀腔和几种不同形状的变截面开放式谐振腔的回旋单腔振蕩管内的电子束与电磁場的相互作用过程进行了非线性分析,提出了近优参量的计算方法和参量的计算机优化的简捷途径,并为工作在H_(011)模回旋基波的2公分回旋振蕩管和工作在H_(521)模二次回旋谐波的4毫米波回旋振蕩管提供了优化参量。 In this paper, based on the non-self-consistent theory of the electron mantle, the interaction between the electron beam and the electromagnetic field in a single-chamber oscillating tube with uniform magnetic field and several different shapes of open- Nonlinear analysis, a computational method of near optimal parameters and a simple computer optimization approach to the parameters are proposed. For the 2 cm gyrotron oscillating tube operating in the H_ (011) mode gyro fundamental wave and the secondary gyro operating in the H_ (521) mode, Harmonic 4 mm wave gyrotron provides optimized parameters.