Velocity Measurement Based on Laser Doppler Effect  

作　　者：张艳艳 霍玉晶 何淑芳 巩轲 

机构地区：[1]Department of Electronic Engineering, Tsinghua University, Beijing 100084

出　　处：《Chinese Physics Letters》2010年第12期89-91,共3页中国物理快报（英文版）

摘　　要：A novel method for velocity measurement is presented. In this scheme, a parallel-linear-polarization dual- frequency laser is incident on the target and senses the target velocity with both the frequencies, which can increase the maximum measurable velocity significantly. The theoretical analysis and verification experiment of the novel method are presented, which show that high-velocity measurement can be achieved with high precision using this method.A novel method for velocity measurement is presented. In this scheme, a parallel-linear-polarization dual- frequency laser is incident on the target and senses the target velocity with both the frequencies, which can increase the maximum measurable velocity significantly. The theoretical analysis and verification experiment of the novel method are presented, which show that high-velocity measurement can be achieved with high precision using this method.

关 键 词：Instrumentation and measurement Optics  quantum optics and lasers 

分 类 号：U270.11[机械工程—车辆工程] TN247[交通运输工程—载运工具运用工程]