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- sonic velocity measurement 声速测量
- These normally exceed sonic velocity with the consequence that the loom are noisy and consume considerable amount of energy. 通常使用的气流速度超过声速,其结果是织机噪声的提高和能耗的增加。
- Experiments were carried out to investigate the sonic velocity of air-powder two-phase flow in a horizontal constant cross section duct. 摘要实验研究了在水平等截面管道中空气-树脂粉两相流的音速。
- Research on three-dimensional velocity measurement using nonorthogonal LDV[J]. 引用该论文 竺晓程;赵岩;杜朝辉.
- Based on the forming principle of choking phenomenon, an approach is proposed to measure the sonic velocity of air-powder two-phase flow. 基于壅塞现象原理，提出了一种测量气粉两相流音速的新方法。
- On the basis of a two-phase flow sonic velocity a gas-solid two-phase flow shock-wave model was set up,and calculations and analyses were performed. 建立了基于两相流音速的气固两相流激波模型,并进行了计算分析。
- 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。
- These normally exceed sonic velocity with the consequence that the loom are noisy and consume considerable amount of energy. This increases the cost of weaving and tends to make air jet looms less attractive. 通常使用的气流速度超过声速,其结果是织机噪声的提高和能耗的增加。织造成本的提高使喷气织机有被忽视的倾向。
- 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。
- The findings show the sonic velocity orientation factor and modulus and the breaking strength of new silk material is smaller than that of silk, the compliance and the breaking elongation of new silk material is greater than that of silk. 试验表明：桑蚕膨松丝、记忆生丝等真丝新材料的取向因子、模量、强度均比普通生丝低，而真丝新材料的柔量和伸度却比普通生丝高。
- 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。
- It have also quined the finding that the beraking strength and the sonic modulus, increases, the compliance and the breaking elongation decreases as the sonic velocity orientation factor increases under otherwise equal condition. 同时还发现：真丝新材料的强度和声速模量都随大分子取向度的增加而增大，而柔量和伸度却随取向因子的增加而降低。
- 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。
- The sonic velocity orientation structures and mechanical properties of new material of bulked silk and memory silk,ect.by measuring the sonic velicity orientation and modulus are studies . 采用声速法测定纤维的取向因子和声速模量，研究了各种真丝新材料的取向态结构及其力学性能。
- 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。
- 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。
- 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。
- Influenced by the water depth of ship sea trial area, velocity measurement of deep-draft large-scale ship should be shallow-water corrected with proper method. 受实船试航水域水深的影响,对于深吃水的大型船舶航速测量结果必须采用适当的方法进行航速的浅水修正。
- Simulation experiment shows that the modified STF can not only track velocity and distance but also track acceleration with one more Doppler velocity measurement. 仿真实验表明：改进的强跟踪滤波算法不仅能很好地完成速度和距离跟踪；如果加上多普勒速度测量，改进的强跟踪滤波算法还可跟踪上加速度。
