Secondly , according to the design requirement and the performance , it gives a design 其次，根据设计要求和性能指标提出便携式智能流速仪的设计方案。
The sediment - laden flow fluctuating velocimeter designed in this study has a well static and dynamic charateristic 本文研制的浑水脉动流速仪具有良好的静、动态特性。
Also , it takes a rather long time in measuring the flux in the conventional way , which interferes the gate driver to control the sluice gate in time 另外，传统测流所用的流速仪法需较长时间，不利于下游涵闸管理部门根据调度快速调控。
Fifthly , it gives a conclusion to the issue by analyzing from the sampling data , and put forward some new thinking about the current meter design 第五，从数据采集的运行结果进行分析，对课题的研究进行了总结，并提出了设计流速仪的一些新思想。
Firstly , giving an introduction about the current meter research in and outside nation and finding the reality meaning to study this intelligent portable current meter 首先，对国、内外在流速仪的研究情况进行了分析，得出了研究了便携式智能流速仪的实际意义。
The corresponding equipment and self - developed gauges in the system , such as water level metre , topography metre , velocity metre and sediment metre , and performance indexes are briefly introduced 简要介绍了系统中配置且自行研制的水位仪、地形仪、流速仪和测沙仪及其性能指标。
The flume experiment with single spur dike is carried out . water surface profile and velocity field of flow in flume are measured by manometer tube and propeller current meter respectively 首先进行了单丁坝水槽实验，采用测压管和旋浆流速仪对实验水槽中水流的水位以及流速场进行了详细的测量。
To solve this problem , by increasing the accuracy and the sample - speed , adapting to the domestic situation and fitting for the measurement in the field , the intelligent portable current meter is needed 鉴于此，为了满足目前国内流速测量，适合国情，提高测试精度，加快测试速度，适应野外测量的要求进行便携式智能流速仪的研制。
By modeling of " y " - shaped junction of the compound river channel with an intersection angle 90 , the flow velocity and water level at the junction were obtained by use of the acoustic doppler velocimeter ( adv ) and point gauges 摘要通过制作交汇角为90的复式断面河道" y "型交汇河口模型，利用三维声学多普勒流速仪( adv )和测针获取流速及水位数据，对支流河口处的水流流态包括水面形态、水流流速和水流分区进行分析。
