机身上的圆盘形整流天线能接收地面传输的微波能，将其转化为直流电为飞机推进器上的电动机供能。
A large disc-shaped rectifying antenna attached to the fuselage harvested the microwave energy, turning it into direct current to power an electric motor attached to the plane's propeller.
介绍了一种基于双余度混合式步进电动机的双自由度卫星天线运动控制系统。
This paper introduces a double freedom degree motion control system of satellites antenna based on dual-redundancy hybrid stepping motor.
首先推导出了由两相永磁步进电动机驱动单址天线转动的动态方程，描述了系统存在的模型不确定性。
Firstly, the dynamic equation of SA antenna rotation driven by two-phase permanent magnetic stepper motor was derived. Then the structured model uncertainties were described.
首先推导出了由两相永磁步进电动机驱动单址天线转动的动态方程，描述了系统存在的模型不确定性。
Firstly, the dynamic equation of SA antenna rotation driven by two-phase permanent magnetic stepper motor was derived. Then the structured model uncertainties were described.
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