LDV, the collapsed Birmingham-based van maker, has been bought by Dr Qu Li, who controversially advised the Phoenix Four, the former owners of MG Rover.
总部位于伯明翰的货车制造商LDV已被李曲博士收购,李曲博士曾是罗孚汽车公司(MG Rover)前东家“凤凰四董事”的顾问而备受争议。
Production at the LDV plant ceased 10 months ago.
LDV的工厂已于10个月前停产。
Flow measurements are made before, inside, and behind an axial flow rotor by LDV.
采用激光测速仪ldv,对轴流泵叶轮内部及进出口旋转流场进行了流动测量研究。
Eco Concept says LDV will still concentrate on light commercial vehicles but on a smaller scale.
Eco Concept说LDV仍将主攻轻型商用车辆的生产,但规模将有所缩小。
The principle of Laser Doppler Velocity (LDV) and the method of back scattering are presented.
介绍了激光多普勒测量技术的原理和后散射型固体表面测量方式。
The Laser Doppler Velocity (LDV) is used widely to measure the liquids and the solid surface parameters.
激光多普勒测量技术在流体以及固体表面测量中得到了广泛的运用。
Finally, some Suggestions are put forward on how to improve the velocity accuracy when using reference beam LDV.
最后提出了使用参考光式LDV提高速度测试精度的注意事项。
The forward LDV has wider applications than the backward LDV, be-cause of its lower requirements of the laser power.
前向式LDV由于对激光器的功率要求低,所以较后向式LDV造价低使用面广。
Experimental results show that the LDV system has an ability to acquire the real-time speech signal 25 m away through glass.
实验结果表明:该激光多普勒振动系统能够实时获取距离25米处振动玻璃上的音频信号;
In this paper, the presented measurement techniques of nonorthogonal velocity with LDV gives useful help for application of LDV.
通过理论分析,非正交lDV技术测量三维速度得到的一些结论对实际测量具有指导作用。
The self-organization of vortices disturbed by different taps are measured both in wind tunnel by PIV and in water tunnel by LDV.
利用在一个机翼翼梢安装的翼梢小翼形成受扰动旋涡,在风洞和水洞中对受扰动涡的自组织过程进行了测量。
The results of this research work show the feasibility of measuring hydraulic torque converter's flow-field by using LDV and the impo…
试验和理论研究表明了变矩器流场激光测速的可行性及其对理论研究的重要性。
Two kinds of methods for verifying the precision of LDV when used in measuring velocity fields of the centrifugal volute are introduced.
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。
Base on the heterodyne laser Doppler theory, a heterodyne laser Doppler vibrometer (LDV) with fiber structure was designed and implemented.
基于外差激光多普勒原理,设计并实现了一套光纤结构的外差式激光多普勒振动计(LDV)。
The nonorthogonal velocity is measured by LDV, from which the orthogonal three-dimensional components are computed through transformation equation.
而必须使用非正交lDV系统先测量得到非正交的三维速度,然后通过变换方程求得正交三维速度。
The effects of parameters of optical beam splitter on-Doppler signals in a dual beam LDV were discussed, and the formulae about these effects were given.
本文着重讨论了双光束条纹型激光多普勒测流系统中,光学分束系统参数与散射信号的关系,列出了有关的公式。
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。
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.
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。
In an example of experiment, the analysis and uncertainty evaluation results of both DC gain and offset of LDV by using the method in this paper is presented.
通过一个实例,给出了激光测振仪信号处理电路直流增益和直流偏移指标不确定度分析和评定结果。
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).
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 track error of the frequency tracker in LDV System is thoroughly derived and analyzed. On these grounds, a high accuracy data processor with microcomputer is designed.
本文对LDV系统的频率跟踪器进行了全面的误差分析,并据此设计了高精度微机数据处理器。
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.
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。
The velocities over the spillway buckets of three roughness surfaces and two radius are measured by LDV in the National Key Laboratory of the Hydraulics for the High-velocity of CUST.
本文利用高速水力学国家重点实验室的激光测速系统,对两种反弧半径,三种不同粗糙度的溢流反弧段的水流流速进行了量测。
Because all the procedure can be done without the detailed model about the LDV system, it is rather simple and practical. Experiment results show the effectiveness of the method proposed.
该算法不需具体的激光多普勒测试系统模型,方法简单,易于实现,试验结果表明了该方法的有效性。
The three dimensional flow field for the bell type swirl chamber diesel engine is first calculated. The calculated results and LDV measured data are compared, which show fairly good agreement.
首次对吊钟型涡流室式柴油机的流场进行了3维计算,计算结果与LDV实验结果具有良好的一致性。
The three dimensional flow field for the bell type swirl chamber diesel engine is first calculated. The calculated results and LDV measured data are compared, which show fairly good agreement.
首次对吊钟型涡流室式柴油机的流场进行了3维计算,计算结果与LDV实验结果具有良好的一致性。
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