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DDS and Its Application in Acoustic Doppler Current Velocity Measurement System DDS及其在声学多普勒流速测量系统中的应用
THE CDL-79 ULTRASONIC DOPPLER MUDDY WATER CURRENT VELOCITY MEASURING INSTRUMENT CDL-79型超声多普勒流速仪
current velocity measurement 流速测量
Research on three-dimensional velocity measurement using nonorthogonal LDV[J]. 引用该论文竺晓程;赵岩;杜朝辉.
Influence on wet FGD system by raising current velocity of flue gas was analyzed and discussed in an all-round way. 全面地分析和讨论了提高烟气流速对烟气湿法脱硫系统的影响。
A test method of velocity measurement for elastic constants of composite material is proposed. 摘要提出了一种实用的声学法测量复合材料弹性常数的方法。
The blood flow, blood current velocity and blood concentration in gingiva of the patients with periodental diseases. 关键词：龈炎；牙周炎；龈退缩；牙龈血流量；血流速度；血浓度；流变学
The basic principle of solids velocity measurement based on spatial filtering effect of capacitive sensor is presented. 介绍了利用电容式传感器空间滤波效应测量固体速度的基本原理。
Laser Particle Image Velocimetry (LPIV) is a new technique of flow velocity measurement which is developed recently. 激光粒子图像速度场仪(LPIV)是近年发展起来的一种流速测量新技术。
Digital Particle Image Velocimetry (DPIV) is a technology for fast, full-field velocity measurement. 粒子图像测速是一种快速全流场测量方法。
Drop of water is smaller, riverbed is very broad, and runoff is very large, current velocity is small, aggradation is prominent. 这一时期河床特性是：河床宽，比降小，流量大，流速小，河流的沉积作用比较强。
Laser Particle Image Velocimetry (LPIV) is a new technique of flow velocity measurement developing recently. 激光粒子图像测速技术(LPIV)是近年发展起来的一种流速测量新技术。
However, on the saltmarsh, peck current velocity values only appeared during the flood phase, except when marsh vegetation wilting. 盐沼（植物生长期）流速过程具有“单峰型”特点，仅在涨潮初出现峰值。
Experiment was made to simulate slow flow riverway of plain at the aim to find effect of water quality on current velocity and quality of input water. 文章利用模拟实验开展了平原地区缓流河道中的水质变化对河道水流速度与来水水质的响应规律研究。
The research is based on the structure and principle analysis of digital direct current velocity modulation system of the mine hoister. 本课题通过对矿井提升机全数字直流调速系统的结构和原理分析，结合模糊控制理论的基础上。
In this thesis, we researched on the velocity measurement of Doppler Velocity Measurement System and its Implementation. 本论文就是针对相控阵多普勒测速系统，围绕着它的测速方案的研究、设计与实现展开的。
On the mudflat, in general, the current velocity reached peck value during the flood and ebb phase in single tidal cycle. 光滩与盐沼交界处光滩一侧流速过程呈“双峰型”特征，涨落潮均出现流速峰值；
The conditioned velocity measurement, which traced only the reactant flows, was made possible by using a silicon oil aerosol as the LDA seed. 无条件示踪的测量结果表明，火焰区的流场存在湍流度迅速增大然后衰减的现象，而速度的测值呈现双峰分布。
The floe settling velocity of sediment particles is taken as the function of current velocity, salinity and suspended sediment concentration. 泥沙颗粒絮凝沉降速度考虑了流速、盐度、含沙浓度的影响。
Firstly, we come up with the principle of the radar x the problem and principle of velocity measurement with low-PRP radar. 首先介绍了雷达的工作原理、分析了低重频雷达测速原理及存在的问题。