velocity field measurement

基本解释

Digital Particle Image Velocimetry (DPIV) is a technology for fast, full field velocity measurement.
粒子圖像測速是一種快速全流場測量方法。
Laser Doppler velocity is widely used in the measurement field of velocity for its high accuracy and easy-used property.
激光多普勒測速以其高精度、使用方便而在速度測試領域得到廣泛的應用。
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試騐中採用粒子測速（PIV/PTV）系統測量流場，具有快速、精度高的優點。