查询词典 system function

In fact, many hidden in the dark of the network system capabilities, system optimization, many of the trick can not be touched in many cases is improper because they slow down the network functionality of the system boot speed; To this end, we as long as these improper masked network function, we will be able to speed for the system coupled with!

事实上，许多藏在系统暗处的网络设置功能，是许多系统优化绝招无法触及的，很多情况下就是因为这些设置不当的网络功能拖慢了系统启动速度；为此，我们只要将这些不当的网络功能屏蔽掉，就一定能够为系统提速再加一鞭！

This thesis brings forward the portable instrument system which is using μClinux, the embedded operation system, in portable instrument. Around portable instrument kernel board's designing and μClinux, the thesis has researched the hardware structure,μClinux porting, instrument system's running mechanism, device driver and net function, etc. The portable instrument system , from which hardware to software and device driver to application, has been researched in detail.

本课题提出了将μClinux这一嵌入式操作系统应用于手持式仪器构成一个手持式仪器系统，围绕手持式仪器核心部件的设计及μClinux操作系统，研究了仪器系统的硬件构成、在此基础上的操作系统移植、仪器系统的运行机制、设备驱动程序及网络功能的实现等，对手持式仪器系统从硬件到软件、从底层驱动到上层应用的诸方面做了较为深入的研究。

In order to study the stability of longitudinal following control system of vehicle in automated highway system,the following errors of vehicles were analyzed,a mathematic model of infinite-dimensional nonlinear interconnected large-scale system with delays was constructed,and the stability of the system was studied by applying vector Liapunov function .

为了提高自动化高速公路车辆纵向跟随控制系统的稳定性，建立了关于车辆跟随误差的具有时间滞后的无限维非线性关联大系统模型，应用向量李雅普诺夫函数对大系统的稳定性进行了分析。

Chapter three (the methods of generating chaotic signal and its applications): In this chapter firstly the mechanism that a simple kinetic system, subsection linear map system, can generate chaotic phenomena is affirmed, the characteristics of correlation function of the chaotic signal generated by this system are simulated, on this basis a simple applicable method for generating chaotic signal is given; secondly some typical circuits generating chaotic signal are designed, also use operational amplifier to design a third -order autonomous circuit with chaotic dynamics. The basic mechanism and typical structures of chaos in the application of communication are introduced systematically and a simple method is provided for generating pseudo random code signal; At last Chaotic signal is applied into the analysis of system characteristic.

第三章(混沌信号产生方法及其应用)首先针对一类简单动力学系统——分段线性映射系统能够产生混沌现象的机理及由该系统所产生的混沌信号的自协方差函数特点进行了证明和计算机仿真，提出了软件产生混沌信号的一种实用方法；其次分析讨论了几种能够产生混沌信号的典型混沌电路，提出了用运算放大器与阻容元件实现三阶自治混沌电路的基本原理；概述了混沌在通信领域中应用的基本原理和典型结构，提出了产生伪随机码信号的一种简单方法；最后将混沌信号用于系统的特性分析中。

This paper analyses the PKI theory architecture detailedly, combining with researching the information security status quo and the wireless communication systems. On this condition, we put forward the feasible WPKI system, CA sub-system and RA sub-system logical frame diagram and network structure blue print. The technical criterions in the system and core content of WPKI, includes the certificate management(certificate requirement, certificate issue, certificate revocation, certificate query and so on), are discussed at length. In the end, the systems function and performance are tested.

本论文对已广泛应用的PKI理论体系进行进行详细的分析，并结合国内外信息安全发展现状和无线通信系统，提出了完整可行的作为权威第三方，提供数字整数的WPKI系统实现的方案，以及其子系统CA子系统和RA子系统的逻辑结构图、网络结构设计图，介绍了系统中的技术规范，详细讨论了WPKI的核心内容——证书管理(证书请求、证书颁发、证书撤销和证书查询等)，并对WPKI系统进行了功能和性能的测试。

The information integrated pattern based on PDM/PLM in the course ofmanufacture is put forward. Under the constraints of building CAPP platform, thearchitecture of CAPP platform is established. The models of decision making andfunction for process planning are given. Then the development means of CAPP basedSmarTeam are extracted.3. The structure of modular product life cycle is established. Toward the divisionand planning of the General Modules oriented product family, theCAD/CAPP integrated model of flexible module based on feature and CAD/CAPPmapping model based on process planning match board are set up. The keytechnologies of Solidworks/SmarTeam/CAPP integration are studies.4. From the point of view of process match board and step match board, theprocess of creating to process planning match board is studied. As an example, themachining process planning of up beam of hydraulic press machines is used tointroduce the establishment of process planning match board by means of inferencebased on expert knowledge. The organize model about the process planning matchboard oriented product family is brought forward.5. The multi-decision methods of CAPP system based on analytic hierarchy aregiven.. On the basis of uniform data model, the sub-machining process planning ofpart is auto-created by means of analytic hierarchy, The step decision methods basedon AHP is put forward.6. For the design/manufacture information in the course of product life cycle, thetree structure based on Object-Oriented and static model based UML are founded. Themethod of establishing design/manufacture information management system isbrought forward. The commercial PLM software—SmarTeam is regarded asdevelopment platform, on basis of which, the design/manufacture informationmanagement system is built, and the multi-view mapping technique ofdesign/manufacture information model is studies.7. A computer-aided CAPP platform based on PDM/PLM is founded, and itsstructure, function, work flow is illustrated. Some example of the system areintroduced.

阐述课题提出的目的和意义，明确了本文研究的主要内容。2、提出基于PDM/PLM的制造过程信息化集成模式；在平台式CAPP系统的设计约束模型基础上，构建了平台式CAPP系统的体系结构；并给出工艺决策模型和功能模型；最后提出基于SmarTeam的CAPP开发模式和实现策略。3、建立模块化产品生命周期模型的组织结构；针对面向产品族的广义模块的划分和规划方法，建立基于特征的柔性模块CAD/CAPP集成模型及基于工艺模板的CAD/CAPP映射模型；研究Solidworks/SmarTeam/CAPP集成的关键技术。4、从工序模板和工步模板的角度研究了工艺模板的创建过程；以液压机上梁模块机加工为例，采用基于专家知识的推理技术实现了工艺模板的创成；提出了面向产品族的工艺模板分层结构树的组织模式。5、提出基于分层规划的多模式工艺决策流程；在统一数据模型的基础上，从特征层和零件层分层规划，实现了零件加工子工艺的自动创成；提出基于AHP的工步排序决策方法。6、针对产品生命周期中的设计/制造信息，建立了面向对象的类树结构和基于UML的静态结构模型；提出基于PDM/PLM软件的设计/制造信息管理系统的构建方法；以商品化PLM软件SmarTeam作为开发平台，开发了基于SmarTeam的设计/制造信息管理原型系统；研究设计/制造信息模型多视图映射机制。7、开发了基于PDM/PLM的平台式CAPP原型系统，构建了系统的功能模型，并对系统的主要功能进行说明，给出系统的运行实例。

In Chapter 5, some knowledge about large-scale system and methods for investigating them are introduced, Lyapunov function, differential inequality, Razumikhin theorem, matrix norm and measure methods have been used to discuss the stability of uncertain large-scale system with delays and decay estimates for uncertain time-varying large-scale system with delays, the criteria of stability and decay estimates for uncertain large-scale system with delays are given.

第五章首先介绍了大系统的有关知识以及时滞大系统研究的方法，然后利用Lyapunov函数法、微分不等式法、Razumikhin定理法、矩阵范数与测度法研究了不确定定常时滞大系统的稳定性以及不确定时变时滞大系统的稳定性与系统衰减率的估计问题，得到了系统稳定的判别条件以及系统衰减率的估计。

In the programming of the software, modularized and general-purposed program idea, as well as special function employed by independent program,class defined by users-IO_CFG, are adopted. We have not onlyimplemented self-configuration of the system, but also make the OCX of the simulation system in correspondence with the hardware. Thus the configuration and maintenance of the system monitoring software become easy, and the generality, flexibility and expansibility of the system are enhanced

在软件开发过程中，采用了模块化、通用化的设计思想，用独立的程序实现特定的功能，自定义了类——IO_CFG，不仅实现了系统的自动配置，而且将仿真系统中的控件与硬件对应起来，使系统监控软件的组态和维护容易，增强了系统的通用性、灵活性和可扩展性。

Research and development of system and its implementation has been finished by stages.The practice shows that negotiability and sharable characteristics of process information are improved through using CAPP system based on MES system. With the function of process route auto-matching and production statistic and query, macroscopic controlling ability of enterprise's production system is increased, and at the same time the production-planning and scheduling task is decreased.

系统的实施证明，基于MES系统的特钢企业CAPP系统在特钢企业的信息化建设中，提高了工艺信息的流通性和共享性；工艺路线的自动匹配和生产任务量的统计查询等功能在增强了企业生产系统的宏观调控能力的同时，减轻了计划调度人员的工作量。

Here I describe how to use the strategy Top to Bottom in integrated planning, Bottom to Top in application development to design a information company's order managing system, mainly analyze some system's basic functions and its composition, include the analysis of system, the structure of system, the partition of function module and so on, emphasizing the physical development of application procedure.

本文介绍了在VB.NET 环境下采用"自上而下地总体规划，自下而上地应用开发"的策略开发一个企业订单管理信息系统的过程，主要分析了企业订单管理系统的一些基本功能和组成情况，包括系统的需求分析、系统结构，功能模块划分以及数据库模式分析等，重点对应用程序的实际开发实现作了介绍。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。