摘要
光栅是一种精密的位移检测装置，它的输出很容易和计算机接口．本文介绍了一种可提高光栅测距精度。
Grating is a kind of precision equipment for measuring displacement. Its output is easy to be interfaced with computer. In this article, a kind of fourfold-frequency direction-judgment circuit, which can improve the grating measuring accuracy and works very stably, is introduced.
出处
《北方交通大学学报》
CSCD
北大核心
1996年第6期751-753,757,共4页
Journal of Northern Jiaotong University
关键词
光栅
测距
四倍频判向电路
位移检测
精度
grating, displacement measurement, fourfold-frequency direction-judgment circuit
