The principle and experimental results of phase modulation optical heterodyne detection technique for measuring reflection of optical cavity are described.
本文叙述了用位相调制光外差技术探测光学谐振腔反射特性的原理及实验结果。
2
Feasibility and accuracy of the method has been verified by using sedimentation experimental data of cavity flume from the Yangtze River Scientific Research Institute.
采用长江科学院空腔回流泥沙淤积水槽试验数据，验证了回流区泥沙淤积计算方法的可行性和精度；
3
The variation rule of wall stress of horizontal rotary cavity flow in an intemal energy dissipating tunnel is researched based on the experimental observation.