velocity field measurement

基本解释

Digital Particle Image Velocimetry (DPIV) is a technology for fast, full field velocity measurement.
粒子图像测速是一种快速全流场测量方法。
Laser Doppler velocity is widely used in the measurement field of velocity for its high accuracy and easy-used property.
激光多普勒测速以其高精度、使用方便而在速度测试领域得到广泛的应用。
The velocity field measurement by use of the particle image velocimetry and particle tracking velocimetry ( PIV/PTV) system in a tidal estuary model test has advantages of high speed and accuracy.
在潮汐河口河工模型试验中采用粒子测速（PIV/PTV）系统测量流场，具有快速、精度高的优点。