卫星天线扫描驱动机构是整个卫星系统的核心部件，对卫星的运行姿态和数据的采集起着至关重要的作用。
The satellite antenna scan drive institution is a core component of the whole satellite system, which has an effect upon the attitude of satellite and gathering data.
相控阵雷达的天线阵面是整个雷达系统的重要组成部分，阵面中移相驱动器的移相精度是保证雷达系统测量精度的重要依据。
The antenna array is an important department of phased array radar system. The phase accuracy of shifter is necessary to the radar′s measurement accurate.
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.
介绍了天线系统驱动机构扭转振动谐振频率的计算方法。
This paper introduces the computation method on the harmonic frequency of the torsional vibration in the mechanism of an antenna system.
再用电机伺服驱动系统控制天线转动，调整其重新指向卫星接收信号。
The motor servo drive system was used to control antenna turning, adjust the antenna to point at satellite again and receive signal.
单片机接收到这些数据后，即可根据这些数据驱动传动系统，使卫星天线自动快速准确地对准卫星。这些信息都通过点阵液晶屏显示出来给用户查看。
Microcontroller receives the data, it can be the basis of these data-driven transmission, so that satellite antenna alignment satellite automatically and quickly and accurately.
单片机接收到这些数据后，即可根据这些数据驱动传动系统，使卫星天线自动快速准确地对准卫星。这些信息都通过点阵液晶屏显示出来给用户查看。
Microcontroller receives the data, it can be the basis of these data-driven transmission, so that satellite antenna alignment satellite automatically and quickly and accurately.
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