In this paper, two types of laser methods for measuring parameters of hydro - mechanics were introduced: the fiber optical tweezers (a branch of optical tweezers) and the laser Doppler technology.
在本论文中引入两种激光方法用于流体力学参量的测量，分别是光镊技术的分支——光纤光镊方法和激光多普勒方法。
Velocity of solid targets and velocity distribution of flowing fields can be measured by Laser Doppler Velocimeter (LDV) technology based on Doppler Effect.
激光多普勒测速雷达技术利用激光多普勒效应测量固体目标的运动速度，或者流场速度分布。
Laser phase Doppler anemometry (PDA) technology can be used to measure moving particle's velocity, size and relative refractive index simultaneously.
激光相位多普勒(PDA)能够同时测量粒子的速度、大小和相对折射率。
Laser phase Doppler anemometry (PDA) technology can be used to measure moving particle's velocity, size and relative refractive index simultaneously.
激光相位多普勒(PDA)能够同时测量粒子的速度、大小和相对折射率。
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