随着目标速度的提高和光电跟踪设备自动化程度的提高，对电视跟踪器伺服系统的跟踪精度提出了越来越高的要求。
With the increase of both object speed and automatic tracking ability of the optoelectronic tracking equipment, higher precision is needed for the servo system in the TV tracker.
数控机床是典型的机电一体化设备，而伺服系统是数控机床的重要组成部分。
NC machine is a typical electromechanical integration equipment, and Servo system is also an important component of the NC machines.
光盘存储设备的伺服系统是精密机械和计算机控制的结合，集合了激光测量及定位跟踪、DSP应用等高新技术。
Servo system of the compact disc storage device is the combination of fine machine and computer control, gathering high tech such as laser measure or tracking position and DSP application.
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