Spot size detection method is representative method to obtain a focus error digital optical disk storage system.
光斑尺寸法是数字光盘信息存储中的典型聚焦误差探测方法。
Tested and verified in practical optical pickup head, this lens canful fill the requirement of digital versatile disk pickup systems.
经过实际应用，证明这种结构完全能够满足高密度光盘光学头的技术要求。
The paper analyzes the principle of components of magneto optical disk driver focusing and tracking servo system, then designs and realizes a DSP based digital servo control system.
分析了磁光盘驱动器聚焦与循轨数字伺服系统各组成部分的原理，并设计和实现了一套基于DSP的数字伺服控制系统。
The problems are studied about the digital servo using Digital Signal Processor (DSP)for rewritable optical disk drives, and the system scheme is presented.
该文研究了可重写光盘机DSP数字伺服控制的问题，给出了数字控制系统的硬件构成。
This invention will apply to large capacity digital image memory of digital hard disk recorder, digital tape recorder and optical disk recorder and the like.
本发明应用于大容量的数字图像存储的数字硬盘录像机，数字磁带录像机及光盘录像机等装置。
The formats and standards of high density digital versatile optical disk (DVD) have been introduced.
本文介绍了高密度数字多用光盘(DVD)的制式和标准。
The formats and standards of high density digital versatile optical disk (DVD) have been introduced.
本文介绍了高密度数字多用光盘(DVD)的制式和标准。
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