查询词典 dynamic system

In the process of adaptive control, to compensate the bad effects of actuator unmodeled dynamic and improve the system tracking performance, a pseudo-control hedging based control structure is introduced, at the same time the convergence of all the signals in the close system is guaranteed.

考虑作动器未建模动态对自适应控制的不利影响，采用基于伪控制减缓的思想改善了存在输入动态时系统的跟随性能，并证明了整个闭环系统的稳定性。

A dynamic testing system for MEMS microstructure in high temperature based on point discharge was developed, which was mainly composed of excitation device, Laser Doppler Vibrometer and temperature control system.

基于放电激励方法建立了高温环境下 MEMS 微构件动态特性测试系统，该系统主要由激励装置、激光多普勒测振仪、微构件温度控制系统组成。

The net picks a system preliminary shape in September 2004, 2005 the popularity after the Spring Festival leaves come, the net picks a system is an open dynamic webpage favorite actually, compare at present have sina VIVI welcomely, every day the net is picked,.

网摘系统初步成型于2004年9月，在2005年春节后流行开来，网摘系统实际上是一个开放的动态网页收藏夹，目前比较受欢迎的有新浪VIVI、天天网摘、。

The traditional design methods based on inertial brake dynamic test center can no longer adapt to high development technology, and leave too much to be desired for the requirement of modern plane designing, so a full system digital simulation design scheme on aeronautic wheel braking system is proposed in this paper.

由于航空工业的发展对防滑刹车系统的要求越来越高，原有的以惯性台刹车动力试验为基础的设计手段已与现代的高科技术不相适应，远不能满足现时飞机的设计要求，因此本文提出了航空机轮刹车系统全数字化仿真设计方案。

Model of "pavement surface-vehicle-human"vibration system is established,and the representative one-quarter automobile model with three degree of freedom is introduced to carry out dynamic analyses of the vertical vibration system.

建立&路面—车辆—人&振动系统模型，选择有代表性的三自由度四分之一车辆模型对其进行竖直方向振动系统的动力分析。

The following is the research frame of this dissertation:Chapter one: Introduce background, research significance, research object, research contents and methods of this dissertation; review the history of clusters theoretical research in detail; dissertate main research dynamic status of domestic and international;Chapter two: Through explain theoretical foundation of cluster research, it defines and demarcates clusters, introduces the concept of private enterprises" cluster on this basis, and summarizes current situation of Quanzhou private enterprises" cluster;Chapter three: Propose the concept of cluster competitiveness, collect and analysis those factors which influence cluster competitiveness, and set up an appraisal system of private enterprises" cluster competitiveness;Chapter four: Define developing stages of private enterprises" cluster with clusters" dominance competitiveness, analysis characteristic and law of private enterprises" cluster in different life cycle, give out strategic countermeasures separately which promote cluster competitiveness in different stage;Chapter five: On the basis chapter three and chapter four, propose what we can use cluster strategic planning to promote Quanzhou cluster competitiveness; and recommend thought of cluster strategic planning;Chapter six: Introduce the case of Quanzhou sports shoes cluster, use competitiveness appraise system and life cycle theory for empirical analysis, and put forward detailed countermeasure that can promote cluster competitiveness;Conclusion: Summarize the research of full dissertation, and point out some weaknesses of this dissertation.

本文的研究框架如下：第一章：介绍本文选题的背景、研究意义、研究对象、内容与方法，并详细论述集群理论研究的历史回顾及当前国内外主要研究动态；第二章：通过阐述产业集群研究的理论基础，定义及界定产业集群，在此基础上引入民营企业产业集群的概念，并归纳总结了泉州市民营企业产业集群的现状；第三章：提出产业集群竞争力的概念，对影响集群竞争力的因素进行分析，初步建立一套民营企业产业集群竞争力的评价体系；第四章：应用集群显性竞争力来界定民营企业产业集群发展的生命周期阶段，并分析民营企业产业集群在各个不同生命周期阶段呈现的特征及规律，分别给出在不同阶段提升集群竞争力的战略对策；第五章：在第三、四章的基础上提出应用产业集群战略规划来提升泉州民营企业产业集群的竞争力，并介绍了集群战略规划的思路；第六章：引入泉州运动鞋产业集群的案例，应用本文构建的集群竞争力评价体系及生命周期理论进行实证分析，并提出提升该集群竞争力的详细对策；结论：总结全文的研究，并指出本论文研究的一些不足之处。

Water quality on-line monitoring equipment; water quality bio-chemical analysis apparatus; the experimental system for the dynamic simulation of water environments, and the on-line measurement of water body deoxygenating, re-aeration and the organic contaminant concentrations; the experimental system for the dynamical simulation of eutrophication of water environments.

实验中心主要仪器设备有：水质要素在线野外监测设备、水质要素生物化学分析仪器、水环境动态模拟与在线测定水体耗氧、复氧以及各种有机污染物浓度的试验系统，水环境富营养化动态模拟控制实验系统，可以对水质要素进行时间和空间上的监测与分析处理，为水污染治理提供科学的依据。

The system is cascaded and compensated by cascade compensator for lead.Then SIMULINK is used to simulate and design the structure diagram of the system's graphed function model block.The results show that better dynamic characteristic parameter is obtained.

用超前校正器对该控制系统进行串联校正，然后用SIMULINK实现对该控制系统的全图形化功能模块结构图仿真设计，仿真结果表明，系统能得到更好的动态性能参数。

This paper narrates this system principle of work ,and infers this system dynamic response mathematical expression .

文中介绍了该系统的工作原理，并推导出该系统的动态响应数学表达式。

Mobile positioning system or dynamic table so that the laser head is cutting material in the system-driven subcapital high speed, laser head from the light source and cutting heads, light source produces a very short wavelength focused laser beam, laser beam through cutting heads, vertically focused the material being cut on the surface, heating and melting, evaporation is cutting material, resulting in the closure of Lancing, slotted openings formation pads.

移动定位系统妪动工作台或激光头，使得被切割材料在系统驱动头下高速运动，激光头由光源部分和切割头组成，光源部分产生波长很短的聚焦激光束，激光束通过切割头，垂直聚焦在被切割的材料表面上，加热、融化、蒸发被切割材料，形成切缝，闭合的切缝形成焊盘开孔。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。