简述了激光多普勒测速及流场显示原理；
The principle of Laser Doppler Velocimetry and the method of showing the fluid field are briefly introduced.
相关测速声呐与多普勒测速声呐相比有很多优点。
The acoustic correlation log has striking advantages compared with the Doppler log.
雷达测速仪是利用多普勒测速原理，获得运动目标的频率偏移信号。
Police traffic radar USES the theory of Doppler speed detection to measure the offset of the frequency.
王仕康。郭晓明。刘昌文激光多普勒测速仪的一种光电调制反馈方法。
Guo A. Wang X M. Liu S K New LDA system utilizing the optic-electro-hybrid feedback technique.
本文设计了一套激光多普勒测速系统，并对该系统作了理论分析和计算。
A laser Doppler velocimetry system is designed, and its theoretical analysis and computation are made.
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。
Laser Doppler velocity is widely used in the measurement field of velocity for its high accuracy and easy-used property.
采用激光多普勒测速仪，对超细旋液粉碎器工作腔内流场进行测量和研究。
The flow fields of ultra micro rotary fluid fragment or were measured and investigated by using laser Doppler anemometer.
激光多普勒测速技术(LDA)，是一种流体速度的无接触式光学测量方法。
Laser Doppler Anemometry (LDA) is a non-contact optical method for measuring flow velocity.
VISAR是目前激光多普勒测速仪器中最具代表性的一种，本文作了重点介绍。
VISAR is the best typical kind of laser Doppler velocity interferometer at present and is focal point in this paper.
自混合型的半导体激光多普勒测速仅提供了一个简单、便利的测量血流速的方法。
It is thought that the velocimeter can offer a simple and compact method to measure the speed of blood flow.
用三维激光多普勒测速系统测量研究了一个离心压气机转子近端壁区三维紊流流场。
Three-dimensional turbulent flow of the endwall region inside a centrifugal compressor impeller was studied using a Laser Doppler Velocimetry.
通过折射率匹配方法，应用激光多普勒测速仪测量了突缩与分叉复合管内的液体流场。
Liquid flow field in a tube with a combination of a stenosis and a bifurcation was measured using refractive index matching technique.
为了实现高准确的测量对象的速度，激光多普勒测速雷达系统建立和频率估计算法研究。
In order to achieve high accurate measurement of object's velocity, a laser Doppler velocity radar system is established and the frequency estimation algorithm is investigated.
通过流场显示及激光多普勒测速仪测定湍流特性等实验方法考察了管内的无伴流约束射流。
The recirculation phenomena and turbulence characteristics in non-ambient flow confined jets inside the tubes were explored.
采用激光多普勒测速系统测试了蜗壳式旋风分离器内的流场，分析了环形空间内的湍流特性。
The turbulence properties of annular space in a cyclone were investigated by using the Laser Doppler Velocimetry.
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。
Velocity of solid targets and velocity distribution of flowing fields can be measured by Laser Doppler Velocimeter (LDV) technology based on Doppler Effect.
本文应用二维激光多普勒测速仪（LDV），对二元通道内近壁间歇性反流特征做了尝试性测量。
The investigation of the upstream-downstream intermittent reversing flow in the near wall of a 2-D channel is attempted with a 2-D laser doppler velocimeter (LDV).
采用激光多普勒测速系统测试了蜗壳式旋风分离器内的流场，分析了最主要的分离空间内湍流特性。
The turbulence properties of separation space in a cyclone were investigated by using the Laser Doppler Velocimetry.
本文叙述了所研制的激光多普勒测速仪中计数显示电路的原理、特点、以及和光路之间的配合关系。
This describes the principles and features of counting and display circuit of LDV to be made and the relationship between this circuit and optical structure.
介绍了利用激光多普勒测速仪（LDV）测量离心泵蜗壳流道内部速度场时的速度与流量两种校核方法。
Two kinds of methods for verifying the precision of LDV when used in measuring velocity fields of the centrifugal volute are introduced.
本文作者介绍了使用激光多普勒测速仪对轴流泵内部流场进行测试的方案，试验装置的布置及试验结果。
This paper introduces a method for testing velocity on the interior field of the axial pump by LDV, installment of the whole experiment equipment and the results of the experiment.
实验结果表明，多普勒测速仪能够 有效地抑制惯导 误差随时间积累的缺点，提高了导航定位的精度。
The result of surface water experiment demonstrates that DVL can eliminate the accumulated errors of inertial navigation system and improve navigation accuracy.
在应用激光多普勒测速仪测量旋转流场时，如果测量窗口随着旋转流场一起转动，就会产生窗口效应问题。
In laser Doppler velocimeter application to rotational flow, the window effect will appear when measurement window rotates with the flow field.
采用多普勒测速系统对静态水力旋流器及复合式水力旋流器样机的切向速度场和轴向速度场进行了测试和比较。
By utilizing Laser Doppler Anemometer the tangential and axial velocity fields of static hydrocyclones and compound hydrocyclones were measured and analyzed.
用这些公式和一台一维激光多普勒测速计，测量了方形管道中水流的二维湍流速度脉动的均方值和雷诺切应力。
Using these formulas and a 1-d LDA, mean square value of 2-d turbulent velocity fluctuation and Reynolds shear stress have been measured for water flow in a square duct.
纳米颗粒的表面电荷改变是由配体连接造成的，这种变化可用激光多普勒测速仪通过测量它们的电泳迁移加以监测。
The surface charge modifications of nanoparticles, caused by ligand coupling, were monitored by measuring their electrophoretic mobilities using laser-Doppler velocimetry.
为探索闪急沸腾喷雾的形成机理，以氟里昂R12为试验掖体，采用激光多普勒测速仪（LDA）测量了稳定流动条件下粒子的速度分布。
In order to understand flash boiling injection, the drop velocity distribution in steady spray of freon R12 as test liquid was investigated by using LDA technique.
析雷达测速系统的多普勒信号，准确地估计了被测目标的加速情况。
Finally, the Doppler signal ofa radar velocity analyzing system is studied by means of the method in this paper and the speed variation of the observed object is clearly described.
析雷达测速系统的多普勒信号，准确地估计了被测目标的加速情况。
Finally, the Doppler signal ofa radar velocity analyzing system is studied by means of the method in this paper and the speed variation of the observed object is clearly described.
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