【摘要】 综述了激光－超声旋涡测量技术的特点。详细介绍了目前国内外采用的两种实用测量技术（超声脉冲信号法和超声连续信号法），并给出了细长三角翼和函道风扇流场的应用测量结果。更多还原

【Abstract】 This paper reviews the characteristics on the laser ultraonic technique for vortex measurements.The two used measuremment technique (Ultrasonic pulsative signals and ultrasonic continuous signals) are discussed in details.The measured results for the flow on the slender wing and specific ducted fan are given also in this paper.更多还原