And the simulation on the nonlinear beam - wave interaction of two - cavity gyroklystron is made . the influences of the drift length and beam voltage and current and the velocity ratio of the electron beam and et al . on efficiency and gain are analyzed in detail 并对34ghz两腔回旋速调管的注?波互摘要作用进行了大量的数值模拟研究，分析了漂移区长度、电压、电流、速度lhq值、磁场k ， ； 、注入波功率等多种因素对互作用电子效率及增益的影响。
