枪弹测速系统可以测量弹丸速度大小。
Bullet velocity Measurement System can measure the projectile velocity bullets.
时间间隔测量是影响激光测速系统精度的重要因素。
The precision of the pulsed laser velocimeter system was decided by the precision of the time interval measurement.
设计结果表明：该测速系统简单、实用，经济性好；
The design result shows that the hardware circuit of control system designed simply, practical, economically and stably.
针对测速系统中弹丸过靶时间提取算法影响测试精度的问题。
Against the problem of measure precise of projectile velocity measurement system because of the method of computing the projectile passing though the target time.
通过大量的实验验证，整个测速系统取得了较好的实验效果。
The measure velocity system was identified fine by a great many of experimentations.
介绍了测速系统的工作原理和硬件设计，并进行了误差分析。
The working principle and hardware designing are introduced. Indepth analysis of errors is performed also.
本文改进了激光探针测速系统中的测角方法，提高了测量精度。
With an improved Angle measuring method, the accuracy of SAW velocity measurement in a laser probe is improved.
编制了系统软件，并与“标准”测速系统进行了实际应用对比。
System software is compiled and compared with"standard'measuring system in practical application."
现代炮口测速系统要求设计具有高准确性、小型化、快速化特点。
The design for the system of muzzle velocity measurement requires some characteristics, which are high accuracy, and small size and so on.
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.
结果表明，改进后的测速系统精度可以满足要求，故障率大大降低。
The results show that the improved speed measurement system can meet precision requirement and can decrease fault rate.
分析了实验环境对弹丸测速的影响，以及测速系统的误差和不确定度。
The environmental influences of experiment to velocity measurement were analyzed, error and uncertainty of this system were also carefully analyzed.
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.
文中详细介绍了测速系统的基本原理，同时给出了系统的软硬件设计方法。
The base theory of speed measurement is introduced, and the hardware and software design methods are also given.
利用该测速系统，进行了超声波的重复性测试，以及在以空气为介质的零流实验。
The repetition of the ultrasonic sound and the experiment of zero velocity in gas flowmeter are tested using this speed measurement system.
设计的多普勒雷达目标模拟器用于分析、验证某型号雷达测速系统存在的技术问题。
The doppler radar simulator is used to analyze and validate the problem of one radar velocity measurement system.
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.
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.
磁浮列车测速系统为列车提供的速度信息是列车安全运行的保证，是悬浮系统的关键技术之一。
Speed detection system which provides the speed information to ensure the safe operation is one of them.
测得的结果为弹丸飞行方向上的速度值。该方法与雷达和常规天幕靶测速系统相比，测量精度较高。
Contrasted with the radar and the general sky-screen system, the method presented here has higher precision.
着重讨论了雷达测速系统中的数字测角原理和算法，以给出了目标角度修正公式和计算机仿真结果。
This paper emphatically discusses digital measuring-angle theorem and algorithm in radar measuring-speed system. It also provides Angle correction formulas of a target and computer simulation results.
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.
利用二维粒子图像测速系统研究了低速风洞实验中介质阻挡放电等离子体对圆柱绕流尾迹区流场的影响。
Two dimensional particle image velocimetry system is used to investigate effects of the dielectric barrier discharge plasma on the flow field in the wake of circular cylinder cross flow.
研制一套由车载齿槽板、沿轨道分布的检测子块及一台上位处理器组成的轨道车辆地面式定位测速系统。
A set of location and speed detection system based on ground measure applying to track vehicles is developed.
研制一套由车载齿槽板、沿轨道分布的检测子块及一台上位处理器组成的轨道车辆地面式定位测速系统。
The system consists of a tooth-and-slots board, detection submodules distributed along the track and a central processor.
通过应用表明：该系统的研制是成功的，系统运行稳定、可靠，激光测速系统可与移测架系统配合使用。
Its appliance shown that the development of the traverse system is successful, the system is stable, reliable, and it can be cooperated with the PDPA system.
本文针对内燃机缸内气流运动研究需要，在国内首次开发研制出一套内燃机缸内全流场PIV测速系统。
In order to meet the research need of air flow in I. C. E., a set of PIV system has been developed.
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.
在很多与电机控制相关的工业过程中，都需要有一个在较大速度范围内具有分辨率高、响应快捷准确的测速系统。
In many industrial processes associated with motor control, a high resolution and shortcut and accuracy response rotate speed measurement system with large scope is needed.
利用FPGA实现了极性互相关算法，提高了系统的运算速度，并用FPGA实现了整个测速系统的SOPC方案；
The polarity cross-correlation algorithm to accelerate computation process of the system and the SOPC scheme of velocity measurement system based on FPGA are realized.
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