激光跟踪仪相位法绝对测距研究与设计  

Research and design of absolute distance measurement by using laser tracker's phase range finding technology

作　　者：刘娇月[1] 杨聚庆[2,3] 纪荣祎[3] 

机构地区：[1]河南工业职业技术学院,河南南阳473009 [2]北京工业大学应用数理学院,北京100124 [3]中国科学院光电研究院,北京100094

出　　处：《实验技术与管理》2015年第6期79-83,共5页Experimental Technology and Management

基　　金：国家重大科学仪器设备开发专项(2011YQ120022);中国科学院科研装备研制项目(090206A01Y);北京工业大学研究生科技基金项目(ykj-2014-11443)

摘　　要：基于激光跟踪仪对绝对测距的技术要求,叙述了系统的测量原理,设计了激光相位法测距的激光跟踪仪ADM单元。阐述了基于混频、外差探测和相位测量的差频鉴相式激光测距系统总体设计方案和相关技术,构建了信号发射和接收测量总体系统构架,对信号模块、硬件电路实现和器件选用做了具体描述。进行了系统调试及相关测量实验,结果表明该激光绝对测距单元达到了仪器整体设计指标要求。Measuring principle of the absolute distance measurement （ADM） system is analyzed and the laser tracker＇s ADM unit of laser phase range finding is designed based on its technical requirements. Difference frequency phase laser ranging system＇s overall design and related technical analysis are elaborated based on frequency mixing, heterodyne detection and phase measurement, the overall measurement system architecture of signal transmitting and receiving is built, and the implementation of signal modules ,hardware circuit and devices＇ selection are described in details. System＇s debugging and related measuring experiments are carried on. The results show that laser＇s absolute distance measurement unit has achieved equipment＇s overall design indexes.

关 键 词：激光跟踪仪 绝对测距 混频 差频 相位测量 

分 类 号：TP216[自动化与计算机技术—检测技术与自动化装置]