光记录再生原理及应用

Laser-recording Reprocess-Theory and Application

光盘是重要的光存储器。本文介绍了光盘的历史和分类，模拟和数字记录的原理，CD（光盘）和播放机的结构，以及光盘的各种应用。

CD has become an important Laser memory media. In this paper the history and varities of CD,analogue and diaital recording theory,structure of CD and CD plaver,and relative applications about CD are introduced.