The rotating speed of antenna is low when the antenna is driven by lead screw.
传动链末级采用丝杠传动的天线转速较低。
2
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。
3
The pedestal drives a cuboid antenna, which can pitch and roll to direct at target accurately, and is driven by servo control.