摘要
首先阐述了高速大型回转机械扭转振动的特点及其对测量系统的要求，接着介绍双频激光多谱勒扭转振动测试仪的测量原理，最后给出实验结果。
The characteristic of high speed torsional vibration and the requiement for the measurement are firstly described; Then, the principle of double frequency laser doppler torsional vibration measuring system is given. At last the experimental result is acquired.
出处
《激光与红外》
CAS
CSCD
北大核心
1997年第1期19-22,共4页
Laser & Infrared
关键词
双频激光多谱勒
后向散射
多谱勒频移
扭转振动
double frequency laser doppler
backscattering
doppler frequency shift
optic heterodyning
torsional vibration
