激光测速仪

激光测速仪在萃取装置研究中的应用

Application of LDV in the study of contactors

计数型激光测速仪信号处理器及其应用研究

Counting LDA signal processor and its application

基于激光测速仪的秒流量控制AGC

Control over the Mass Flow AGC with Laser Velometer

提出了脉冲式半导体激光测速仪具体设计方案，对误差来源进行分析，并采用模数转换技术AD电路来提高测速精度。

We also bring forward the idiographic plans and analyze the cause of the errors . There are many virtues to improve the precision of measure velocity by using modulus conversion technique A / D electrocircuit .

本文介绍差动式多普勒激光测速仪的工作原理和光学系统，解释其差动机理的应用及对改善SNR的作用。

The principles of operation and the optical sketch of polarized Doppler Laser Velocimeter have been presented in this paper . The mechanism of its differential utilization and the effect on improvement of S.N.

冷轧薄板厂二次冷轧机组采用TSI公司的Model3000型激光测速仪对带钢速度进行检测。

Model 3000 LDV ( Laser Detector Velocity ) made by TSI is applied in DCR ( Double Cold Reduction mill ) line to detect the rolling speed of strip .

为保证此搅拌容器中的液体流速接近塔内操作条件下的流速，以确定适宜的搅拌器转速，我们用DANTECMODEL2020激光测速仪测定了不同搅拌器转速下容器中液体的流速。

The speed of liquid flow in this tank with different rotating speed of stirrer was measured by a laser tachometer of DANTEC MODEL 2020 to ensure it equals the speed of liquid flow within the column .

冷连轧系统中激光测速仪的工作原理与应用

Principle and Application of Laser Speedometer to Cold Tandem Rolling

激光测速仪在实验流体力学中的应用

Application of the Laser Measuring Velocity Instrument in Experimental Hydrodynamics

激光测速仪测量连铸钢坯拉速的应用

The application of laser velocimeter to measurement of drawing velocity in continuous Slab-Casting

激光测速仪在空泡水筒中的应用

Application of laser Doppler velocimeter to cavitation water tunnel

两维激光测速仪自动数据处理系统

Automatic Data Processing System of Two Component LDV

脉冲式半导体激光测速仪的研究

The reserch of pulse - semiconductor laser velocimeter

使用多普勒激光测速仪测量了水平直管道中气体&颗粒两相流动的流场。

The flow field of gas-granule two-phase flows was measured by using a laser technique .

多普勒激光测速仪在轴流风扇流场测量中的应用

Measurement of Flow Field in the Rotor of an Axial Flow Fan by Laser Doppler Anemometer

简单的激光测速仪

The simple laser velocity - finder

给出了简单激光测速仪的原理，并描述了其精度。

The principle of the simple laser velocity-finder is given , and the accuracy is described .

向量速度激光测速仪

Vector velocity laser velocimeter

共焦反向散射激光测速仪

Confocal backscatter laser velocimeter

激光测速仪的随动系统包括主控制电路、步进电机驱动电路和编码器位置检测模块。

The servo system for laser velocimeter comprises a main control circuit , drive circuit of stepper motor and encoder position detection module .

利用三维多谱勒激光测速仪，对悬停状态下模型旋翼桨叶附近的流场进行了实验测量。

An investigation made on the rotor blade tip vortex through use of a Three Dimensional Laser Doppler Velocimetry ( 3D LDV ) is described .

用激光测速仪测量了螺旋桨前后不同截面的水筒流速分布，也测量了筒壁上的压力分布。

The axial velocity distribution at different radii and longitudinal positions ( fore and aft propeller disc ) were measured by means of a laser velocimeter .

采用多普勒激光测速仪和测压管分别对阶梯溢流坝面典型速度场和阶梯表面压力进行详细测量。

The typical velocity field and the pressure on the step surface of the stepped spillway are measured using the Laser Doppler Anemometer and the piezometer tube respectively .

模拟结果与采用二维多普勒激光测速仪和精细热电偶的试验数据相比较，除房间顶部外，模拟结果与试验数据吻合。

The numerical results agreed well with the experimental data obtained two-dimensional laser Doppler velocity measurement and fine heat-couples with the exception of the region near the ceiling .

将所得的计算结果与用二维激光测速仪所测结果对比，表明两者符合较好。

The comparison between the computed flow field and that detected by a 2-D laser velocity sensor shows that the two results agree with each other very well .

在实践中，运用激光测速仪、高速数码摄像机和图像处理软件较好地解决了这个问题，受到运动员和教练员的欢迎。

The application of laser velocimeter , high-speed digital camera and image processing software can be used to solve this problem and it is well received by athletes and coaches .

综述了激光测速仪的现有校准方法，提出了采用模拟目标进行激光测速仪校准的新方法，并根据该原理研建了校准装置。

Through a trial on the simulant installation of dynamic flatness detection , the flatness signal presented by the new model is just the same as that obtained through experiments .

利用激光测速仪对旋流器内的流体流速进行了测定，并对不同溢流口直径和溢流管长度对旋流器分离效率的影响做了分析。

The velocity of flow is determined in hydrocyclone by laser knotmeter , and influence to separation efficiency is analyzed because of different overflow vent and different overflow pipe length .

文中还详细介绍了力传感器输出电压和用激光测速仪测量负阶跃力跃变过程的高速数据同步采集技术。

Also , the high speed digital synchronous sampling technology for the output voltage of force transducer is presented , this kind of technology is very useful for the system of high speed , synchronous sampling .

通过激光测速仪，对壁面糙率突变时的明渠紊流进行试验，测量了糙率突变不同水深情况下明渠紊流的纵向时均流速和脉动流速。

The turbulent flow in open channel is tested with laser-Doppler anemometer , in which the longitudinal time average velocity and fluctuating velocity of turbulent flow in open channel under the conditions of the sudden changes of roughnesses at different water depths are measured .