The parameters of simulation system can be easily modified and the simulation results are shown directly, these make the tracking effects evaluation of optical measurement device easily.
该仿真系统能够方便地对参数进行设置修改，直观地显示仿真结果，有利于对光测设备跟踪性能进行评价。
Studying the theory of optical pickup head unit (OPU) and how to pickup the signal on the disk. Based on these theories, it analyse the structure of the focusing and tracking device.
研究光学拾取头的基本原理和光盘信号拾取原理，简要分析了实际的光学头聚焦伺服和循迹伺服的机械结构。
Studying the theory of optical pickup head unit (OPU) and how to pickup the signal on the disk. Based on these theories, it analyse the structure of the focusing and tracking device.
研究光学拾取头的基本原理和光盘信号拾取原理，简要分析了实际的光学头聚焦伺服和循迹伺服的机械结构。
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