在这七个系统中，两个用来实现控制太空船的功能，诸如定位和数据处理。其他五个用来实现卫星科学设备的管理功能。
Among the seven systems include, two control spacecraft functions such as position-keeping and data-handling, and five will manage functions on the satellite's scientific instrument.
介绍了基于DSP自动寻星卫星电视天线控制系统，阐述了系统的软硬件结构及各部分功能。
DSP-based system for satellite television antenna control is introduced, which is designed for searching and tracking satellites automatically.
储能飞轮系统为了实现卫星飞行姿态控制和能量储存，要求系统中的无刷直流电机同时具有电动和发电两种功能。
In order to keep the attitude of satellite and store energy, the Brushless DC (BLDCM) applied on storage flywheel system should serve as drive motor and generate motor.
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