查询词典 on line

This invention provides an on-line analysis method and system for combined gas and steam cycle power station's efficiency, which comprises an on-site data-collecting unit, used to check the sub-devices state parameter in power station; a data base server linked to on-site data-collecting unit to stored the state parameter provided by data-collecting unit; modular arithmetic server used to calculate the gross operation efficiency of power station based on the data base state parameter and the influence degree caused by sub-devices property to the gross operation efficiency; client device to receive command input by clients and output the calculating result by modular arithmetic server.

本发明提供一种燃气―蒸汽联合循环发电站运行效率的在线解析方法和系统，在线解析系统包括：现场数据采集单元，用于测量电站各分设备的状态参数；与现场数据采集单元相连的数据库服务器，用于存储现场数据采集单元测量得到的状态参数；模型运算服务器，其根据从数据库提取的状态参数并计算电站的总运行效率和当前状态下电站各分设备性能对电站总运行效率的影响程度；客户机，其接收用户输入的命令并输出模型运算服务器的计算结果；网络，其将数据库、模型运算服务器和客户机连接在一起。

The on-line teaching mode of classification, based on local area network (multi-media network, video-on-demand network) and the teaching model based on the Internet (individual study, 1 of 1, 1, many-to-many) of the teaching model .

本文对网上教学的模式进行了分类，提出基于局域网上的教学模式和基于Internet上（个别学习，1对1，1对多，多对多）的教学模式。

The on-line teaching mode of classification, based on local area network (multi-media network, video-on-demand network) and the teaching model based on the Internet (individual study, 1 for 1, 1, many-to-many) of the teaching model .

本文对网上教学的模式进行了分类，提出基于局域网上的教学模式和基于Internet上（个别学习，1对1，1对多，多对多）的教学模式。

Based on analysing the respective characteristics of regular PID controller in trational control theory and fuzzy logical controller in intelligent control theory, the idea and technique of expert system is introduced to develop a novel kind of hybrid intelligent controller. It can coordinate two kinds of control algorithms and tune the control parameters on-line for different working zones of the controlled process.(3) The hybrid knowledge expression model, which combines discrete state space model, fuzzy relational model and rule base model, is proposed based on analysing the characteristics of all kinds of knowledge expression models. The knowledge of the controlled process in different aspects can be expressed resonably by it. Based on the model mentioned above, the related optimization strategy for complex system is developed.

本文的主要贡献体现在：（1）以炼油厂的催化裂化装置和钢铁联合企业的大型焦炉装置两个典型的复杂工业过程为例，分析了工业大系统的许多不易控制的特性，并归纳了其中的几个典型特征；（2）针对经典控制理论中的常规PID调节器和智能控制技术中的模糊逻辑控制器各自的特点，通过引入专家系统的思想和方法，开发了一类混合式专家控制器，它同时具备在线协调两种不同控制规律和自动学习控制规则的能力；（3）通过分析各种知识表达模型的特点，提出了一类包括离散状态空间模型、模糊关系模型和规则基模型在内的混合知识表达模型，它能对过程知识在各个不同侧面给予合理的描述。

The measurement system error model analysis is introduced into power system real time network state analysis as an important part for the first time, which can improve on the state estimation quality and provide the capability to monitor the operation of the measurement system; 2. The theory and algorithm of the on-line estimation and update of measurement noise variance based on the relation between the residual variance and noise variance. The statistic properties of the sample variance are discussed and the relation between the estimation precision and sample size under given confidence level is derived; 3. The theory and algorithm of detection and identification of measurement bias are presented, which is based on the relation between residual mean and noise mean. The statistic properties of sample mean are discussed and the relation between estimation precision and sample size is derived; 4. The Givens orthogonal transformation algorithm is selected to be the essential algorithm of state estimation, the fast orthogonal transformation algorithm with damp factor and the algorithm which can handle the zero injection measurements efficiently are presented; 5. The quantity analysis theory of bad data detectivity and identifibility are presented, which describes the relation between the elements in matrix W〓 and bad data amplitude and can provide the theory base for measurement system design and valuation.

一、首次将量测系统误差模型分析做为一个环节引入电力系统实时网络状态分析中，为EMS系统增加了实时监视系统运行、修正量测系统误差模型的新功能，进一步发挥了实时网络状态分析应用软件的潜力；二、首次提出了应用样本方差在线估计与修正量测系统误差方差的基本理论，讨论了样本方差的统计性质和概率分布，推导出了样本容量、估计精度和置信度之间的关系，给出了在线估计与修正量测系统误差方差的算法；三、首次提出了应用样本均值在线检测与辨识量测偏差的基本理论，讨论了样本均值的统计性质，推导了样本容量、估计精度和置信度之间的基本关系，给出了在线检测与辨识量测偏差的算法；四、在状态估计算法设计中，以Givens变换算法做为基本算法，提出了快速正交变换阻尼因子法和可以有效地处理零注入量测的混合法，并对实时应用中的一些问题进行了讨论；五、提出了不良数据可检测性与可辨识性的定量分析理论，揭示了描述量测系统配置、网络结构与参数的残差灵敏度矩阵中的元素与不良数据的幅值在可检测、可辨识能力上的定量关系，为量测系统配置设计与评价提供了理论基础；六、综合国内外最新研究成果，采用自适应自回归预测技术和稀疏矢量技术，构造了较完善的不良数据检测与辨识算法。

This new platform, considering the relationship among teaching, learning and managing, solving the conflict of resources share and intelligence prosperity, adopting latest theory on learning and mature technology, has more advantages than the existing platform. Firstly, it integrates the advantages of Internet and Satellite communication system and achieves the seamless connection. Secondly, it adopts the coding technology of streaming media with MEPG-4, which makes it possible that the on-line instruction, the schedular broadcast instruction and the distributed course ware on demand can be broadcast on the two networks. Thirdly, it considers the problems of security, user certification and the protection of intelligence property. Fourthly, it is possible to link education resources from all united university, and is able to share resources for lifelong learning individuals or group.

此次清华大学远程教育播出平台的改造，本着现有平台与未来需求相结合；最新的学习理论与成熟的信息技术相结合；资源传输与对学生的学习支持相结合；教育资源开放与知识产权保护相结合的设计理念，综合考虑了远程教育环境中教、学、管三方面的需求和关系，因而具有多方面的优势：新平台整合了互联网和卫星网各自的优势，在技术上实现了天网与地网的无缝连接；新平台对传输的教育节目采用 MPEG-4编码方式进行流媒体播出，在传输上实现了基于两种网络的实时课堂直播、录播和基于互联网的分布式课件点播的多种需求；新平台集资源加密、用户认证和授权等功能于一体，可有效地保护远程教育中的知识产权；新平台将各联盟学校的教育资源进行整合后重新提供给学习的个体或团体，较好地实现了资源共享。

Consequently the NN adaptive unit is added into the control loop according to the NN on-line approximate property. Lastly the chapter combines the proposed shortest path-planning method and the adaptive tracking method in order to stabilize the NWMR about a posture through the shortest path. Many simulations are carried out on MATLAB and the simulation results are very feasible and reasonable. Chapter 5 proposes a new localization method for the WMR running on inclined planes based on fusion of clinometric and an odometric data by Kalman filter.

本文首先求得了在斜面上运行的NWMR动力学系统的状态方程；接着选择了适当形式的系统输出方程，采用非线性系统解耦方法对该系统实现了输入—输出线性化，并应用线性系统方法进行镇定；然后提出了基于人工神经网在线逼进NWMR动力学特性的自适应跟踪控制方法；最后将本文最短距离路径规划方法与跟踪控制方法相结合实现了NWMR系统状态镇定，并通过仿真实验证明了该方法的有效性。

This paper is original from "On-line Measuring System for Cragged Surface on Special Working Conditions", supported by the Science and Technology Research Foundation of Anhui Province. One aim of this project is to research on the technique of measuring geometric parameters on train wheel profile applying stereovision measurement technology.

本论文所研究的课题来源于安徽省重点科研项目&特殊工况异形曲面在线检测系统&，此项目研究的目的之一是应用视觉测量技术检测火车轮轮缘踏面的轮廓几何参数。

And then,at the foundation of the practice running result, we analyzed and summarized the advantage and weakness of the system based on immunity. On the other hand,through analyzing the existence questions of current intrusion response system,this paper proposes a intrusion response model based on workflows,scheduling problem and J2EE framework. This model filtrates alarm before response, at the same time,it can also predict the coming attacks on-line and make the corresponding response measures .

另一方面，通过分析当前入侵响应系统存在的问题，提出了一种基于工作流和作业调度的J2EE框架构建的入侵响应模型，该模型先对所有报警事件进行过滤然后予以响应，并在响应当前报警事件的同时根据报警信息之间的关系，对进一步可能发生的攻击做出在线的预警并产生相应的响应措施。

Through carrying the demand analysis on the shopping system, carrying the design on the system overall overhead construction, the system has mainly realized below the function: Member registration and management, commodity exhibition top carriage, classification of goods management, commodity retrieval, user Shopping Cart, order form production and management, member shopping integral, On-Line security payment, and so on.

通过对购物系统进行需求分析、对系统总体架构进行设计，系统主要实现了以下功能：会员注册与管理，商品陈列上架，商品分类管理，商品检索，用户购物车，订单生成与管理，会员购物积分，网上安全支付等功能。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。