论证和分析了该系统电磁不稳定性的存在及其特征，并与其它电子回旋脉塞进行了比较。
The electromagnetic instability of the system was analyzed, and compared with other electron cyclotron masers.
结果表明，在离子束-等离子体系统中可以激发维泊耳型电磁不稳定性，离子和电子之间的碰撞将使这类不稳定性的增长率增加。
The results show that electromagnetic instability can be excited in an ion-beam-plasma system. Ion-electron collisions increase the growth rate of the instability.
对于电磁吸浮型磁浮列车，悬浮控制是其关键部分，由于该系统的非线性和不稳定性，需要通过主动控制使其稳定悬浮。
Due to the inherent nonlinearities and instability of the electromagnetic suspension system, suspension control is key point. So it is needed active control in order to keep steady suspension.
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