在以驱动波相速度运动的坐标系中，用微扰法讨论。在正弦波驱动下的非线性漂移波的分波方程。
The nonlinear drift-wave equation driven by a sinusoidal wave is discussed in a coordinate system moving in the driving phase speed.
介绍了卫星飞轮用稀土永磁电机的正弦波和方波两种驱动的工作原理及其控制特点。
The working principle and control characteristics of rare earth permanent magnet (REPM) motor driven by sinusoidal and trapezoidal in satellite flywheel were introduced in this paper.
驱动器具有恒流斩波、指数升降频和正弦波等幅均匀细分的功能。
Meanwhile, the driver had the functions of constant current chopper, index movements frequency and sine wave equal-breadth even subdivision.
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