脉冲式半导体激光测速仪的研究  

The reserch of pulse-semiconductor laser velocimeter

作　　者：周晶[1] 

机构地区：[1]长春大学应用理学院,吉林长春130022

出　　处：《长春大学学报》2005年第2期80-83,共4页Journal of Changchun University

摘　　要：阐述了半导体激光技术发展现状,国内测速仪的应用现状、现有激光测速仪存在的弊端。提出了脉冲式半导体激光测速仪具体设计方案,对误差来源进行分析,并采用模数转换技术A D电路来提高测速精度。This paper narrates the development actuality of the semiconductor laser technology,the application actuality of domestic velocimeter and the defects of existing laser velocimeters.We also bring forward the idiographic plans and analyze the cause of the errors.There are many virtues to improve the precision of measure velocity by using modulus conversion technique A/D electrocircuit.

关 键 词：模数转换技术 半导体 激光测速仪 误差 测速精度 

分 类 号：O434.12[机械工程—光学工程]