采用光电编码盘测量位移，提高了测量精度。
The accuracy is improved by testing displacement with photo coder.
本文介绍了光电轴角编码器光学、机械结构及原理； 码盘设计及各码道功能；
The optical and mechanical structure and principles of photoelectrical angle encoder areintroduced, furthermore, the design of code disk and the function of every code track are pre-sented.
本文提出了一种调整编码器码盘安装偏心的新方法：光电信号调偏心。
The paper addresses a new method of adjusting eccentricity, using optoelectronic signal to adjusting encoder eccentricity.
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