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双频激光多谱勒扭转振动测试仪的研究
A Double Frequency Laser Doppler Torsional Vibration Measuring System
【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。
【Abstract】 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.
【关键词】 双频激光多谱勒;
后向散射;
多谱勒频移;
光学混频;
扭转振动;
【Key words】 double frequency laser doppler; backscattering; doppler frequency shift; optic heterodyning; torsional vibration;
【Key words】 double frequency laser doppler; backscattering; doppler frequency shift; optic heterodyning; torsional vibration;
- 【文献出处】 激光与红外 ,LASER & INFRARED , 编辑部邮箱 ,1997年01期
- 【分类号】TH825
- 【被引频次】8
- 【下载频次】78