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激光多普勒测速仪（LDV）的应用日益变得广泛，由于环境条件、物理和几何上的可达性以及流动的复杂性，使人们在每个具体应用中，需要对仪器参数合理地设置和实验装置全面地考虑．通过对一个轴流压气机转子尖区内流场的反复测试，比较精细的流动结构被揭示出来．这里所阐述的LDV测量技术，在其它方面的应用中，也具有一定的普遍意义．
The use of laser Doppler velocimeters (LDVs) is becoming more and more widespread due to environmental conditions, physical and geometrical reachability, and the complexity of the flow that make it desirable to set instrument parameters reasonably in each specific application And experimental device fully considered. Through repeated testing of the flow field in the rotor tip region of an axial compressor, a more detailed flow structure is revealed. The LDV measurement technique described here is also of general significance in other applications.