查询词典 dynamic

Low speed principle of closed - loop system , it can be concluded that the existence of the difference between static frictional and dynamic frictional torque , and the periodic saltation of the dynamic frictional torque , are the main reasons of the low speed stick - skip to the electrohydraulic position servo system

针对伺服马达的低速性能，进行了低速实验研究，并兼顾快速性能进行了阶跃响应和正弦响应实验研究，对实验结果进行了分析，得出了一些有价值的结论，提出下一阶段进行实验的建议。

Firstly, a signalized point is stuck on a moving object to be tested, a microphone array and two video cameras are arranged, and the video cameras are demarcated to obtain a projection matrix; sound pressure signals of a sound source in the moving object to be tested are obtained by the microphone in an array mode, the dynamic video of the moving object to be tested is obtained and disassembled into an image by the video cameras; the signalized point on the moving object to be tested is identified in the video image and the matched signalized point is treated with three-dimension reconstruction to obtain the spatial location of the moving object to be tested; the sound pressure signals are treated with beam forming treatment to obtain a sound field characteristic function scattergram of the moving object to be tested, the video image is treated with spatial coordinate superposition frame by frame and restored into a dynamic video image.

首先在被测运动物体粘贴标志点，布置传声器阵列和两台摄像机，对摄像机进行标定，得到投影矩阵；传声器阵列获取被测运动物体中声源的声压信号，摄像机获取被测运动物体的动态视频，将动态视频拆解成图像；在视频图像中识别出被测运动物体上的标志点，对匹配后的标志点进行三维重构，获取被测运动物体的空间位置；对声压信号进行波束成型处理，得到被测运动物体的声场特征函数分布图，将其视频图像进行逐帧空间坐标叠加，并还原成动态视频图像。

However, by this time, research of dynamic action by wave and dynamic stability of seawall is still on initial step.

然而，到目前为止，波浪对海堤工程的动力作用和动力稳定性研究还处于起步阶段。

The motor's dynamic model, which is generally employed for speed control and parameter estimation applications, is improved for the purpose of improving the parameter estimation accuracy by the assumption that the stator self inductance Ls is identical to the rotor self inductance Lr. The motor's dynamic response to a direct on line start is used to estimate the parameters.

详细给出了遗传算法应用于动态数学模型参数识别问题的一般步骤，在Kron动态数学模型基础上，假定定子自电感Ls和转子自电感Lr相等，利用异步电动机直接空载起动的特性，对异步电动机动态数学模型和简化模型的参数进行了识别，给出了识别参数及有关结果。

At present, the company's products have dynamic ads EL light box, dynamic crafts, self-luminous signs, car window after the film and all kinds of decorative flashing backlight.

目前，公司产品已有EL动感广告灯箱、动态工艺品、自发光标牌、汽车后视窗闪动装饰片及各种背光源。

This paper questions the conception of semantic redundancy in the Information Theory and holds that the means of making what is implicit explicit will constrain the potential system of language at the cost of aesthetic construct, thus resulting in a paradox between semantic redundancy and dynamic equivalence. To some extent, the contradiction derives from the fuzzy definition of "dynamic equivalence" by Eugene A.

本文对信息论中的语义冗余概念提出质疑，认为：平衡语言顺序和事件的非语言顺序的翻译法不具有普适性；"音译加类词"不构成严格意义上的翻译；尤其重要的是，文学翻译中隐含信息的显化，会封闭译文意义的潜势系统，造成审美构成和信息的减损，使译文读者不能产生类似于原文读者的审美感受，由此导致译文与原文之间的不等效。

This system included s light micro-scope to magnify the image of the micro-structure and project the image of the CCD camera; froze the high speed motion station of micro-structure based on stroboscopic principle to get a serial of dynamic images; and used the optical algorithm based on label field and neighborhood optimization method to motion estimation for sequential images of micro-structures to obtain dynamic characteristics parameters.

系统包括：利用光学显微镜来实现微结构的放大，并将图像投影到CCD摄像机上；基于频闪成像原理来冻结微结构的高速运动状态，获取一系列动态图像序列；基于提出的标号场和邻域优化法相结合的光流算法对微结构的运动序列图像做运动估计，获取其重要动态特性参数。

A dynamic mathematical model for the servo-system is developed, and the influences of the dynamic characteristics of a CNC servo-system on the machining accuracy of crank journals is discussed with the servo-system simplified to a first-order one.

而且，随着汽车产品的更新换代，对曲轴零件的加工精度和表面质量有了更高的要求。

It can be followed adaptively to the change of network topology and transferred the complicated radial network into simple trunk network set. Dynamic topology logic equivalent decoupling and subarea is realized by the dynamic topology analysis under the normal network operation condition. It can reduce the fault disposal time availably. The problem of fault analysis disposal is simplified and the efficiency of problem solving is improved.

它能自适应跟踪网络拓扑结构变化，将复杂的辐射网的故障分析处理问题转化为简单的树干网集合的形式，拓扑逻辑等效解耦与分区是在网络正常运行状况下进行动态拓扑分析实现，可有效节省故障处理的时间，简化了故障分析处理问题，提高了问题的求解效率。

Soil dynamic parameters, including dynamic shear modulus ratio and damping ratio, have important effects on the earthquake response of soil layer.

土动力学参数即土的动剪切模量比和阻尼比，对土层地震反应分析结果有重要影响。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。