浅谈计算机网络故障的诊断与解决方法

计算机网络的建立和发展,实现了远程数据的处理和计算机硬件、软件及各种信息等资源的共事.计算机网络技术发展迅速,网络故障也十分复杂,网络故障可以根据网络故障的性质分为物理故障与逻辑故障,也可以根据网络故障的对象把网络故障分为线路故障、路由故障和主机故障.     

计算机实验室网络故障排除与预防

随着网络技术发展,计算机实验室对网络的依赖程度不断提高,网络故障也经常发生。研究网络故障的预防和排除方法,有助于计算机实验室网络稳定安全运行,确保实验室的教学服务正常开展。根据个人的工作经验,对计算机实验室管理中常见的网络故障现象进行分析与总结,提出网络故障排除和预防的有效方法。     

计算机网络故障排除及维护思路构架实践

随着计算机网络技术的快速发展,计算机网络在人们的生活与工作中发挥着重要的作用。但一旦计算机网络出现故障,将造成巨大的影响。为了降低计算机网络故障带来的影响,必须重视网络故障的排除以及维护工作,在故障发生时及时采取有效的排除方法,并采取科学的维护措施,保证计算机网络的正常运行。基于此,笔者将对计算机网络故障排除方法进行分析,探讨计算机网络故障的维护思路。     

确保计算机网络故障与维护的安全策略

计算机网络技术在全球发展非常迅猛,在大量实践中发现容易发生网络故障,并且网络故障一直困挠着计算机安全,因此受到了人们普遍的关注。做好计算机网络故障的处理与维护,是正常使用计算机网络的重要前提,也会给人们的工作与生活带来很大便利。本文首先阐述了计算机网络故障概念与分类,分析了计算机网络常见故障的处理方法,最后提出了加强计算机网络维护的对策。     

基于大数据与神经网络的计算机通信网络故障识别方法

针对计算机通信网络故障识别成功率低、时间长等不足,文章提出基于大数据与神经网络的计算机通信网络故障识别方法。首先通过大数据分析技术对计算机通信网络故障数据进行降维处理,然后通过卷积神经网络实现计算机通信网络故障识别,最后应用计算机通信网络故障数据对本文方法的效果进行验证,证明本文方法具有较好的应用效果。     

计算机网络故障检测

计算机网络故障种类较多,计算机网络故障检测是一个复杂的系统工程,不仅对网络故障处理步骤有所要求,而且对网络故障分析方法以及计算机故障维护都有极高的要求。为此,本文也主要从这几个方面对计算机网络故障检测进行分析。     

医院信息系统预防及应急管理方案

医院计算机信息系统的正常运行是医院日常工作有序运行的重要保证,随着信息系统在院内的延伸和完善,信息数据成为医院的重要材料,电脑成为工作人员不可或缺的工具。作为信息管理部门,为了预防出现网络故障等意外事件,特制定以下一套医院计算机信息系统预防及应急管理方案。     

常见的计算机网络故障及诊治方法

21世纪是科学技术飞速发展的世纪,计算机技术和网络技术得到了前所未有的发展,计算机网络已经在很多地方得到普及和广泛应用,它给我们的生活带来了很大的便利。当然在运用的过程中经常遇到一些网络问题。本文笔者以计算机网络故障为研究话题,主要分析了目前计算机网络故障的概念、常见的网络故障及网络故障诊断的方法,希望能对计算机网络发展起到一定的积极影响。     

计算机网络故障的识别及解决方案

科学技术的高速发展为科技项目的研发提供了源源不竭的动力,各类新型科技产物融入到人们的日常生活中,为人们创造了更为便捷的生活方式,尤其是计算机科技与网络技术的融合。计算机网络的普及改变了人们的生产、生活及学习模式,极大地丰富了人们的日常生活,通过计算机网络,人们可以更高效、便利的获取需要的信息,电脑、手机等电子设备成为人们日常生活不可或缺的要素。然而在计算机网络快速发展的大环境下,计算机网络故障发生的频率不断增加,故障种类也不尽相同,怎样有效识别计算机网络故障的类别、以最快速度排除故障并使网络恢复正常成为当务之急。该文首先就网络故障及其常见问题进行了探讨,分析导致计算机网络故障的原因,并提出相应的解决方案,为识别与解决计算机网络故障提供借鉴。     

计算机网络故障的识别及解决方案

科学技术的高速发展为科技项目的研发提供了源源不竭的动力,各类新型科技产物融入到人们的日常生活中,为人们创造了更为便捷的生活方式,尤其是计算机科技与网络技术的融合。计算机网络的普及改变了人们的生产、生活及学习模式,极大地丰富了人们的日常生活,通过计算机网络,人们可以更高效、便利的获取需要的信息,电脑、手机等电子设备成为人们日常生活不可或缺的要素。然而在计算机网络快速发展的大环境下,计算机网络故障发生的频率不断增加,故障种类也不尽相同,怎样有效识别计算机网络故障的类别、以最快速度排除故障并使网络恢复正常成为当务之急。该文首先就网络故障及其常见问题进行了探讨,分析导致计算机网络故障的原因,并提出相应的解决方案,为识别与解决计算机网络故障提供借鉴。     

Only connect: teaching, technology and telesis

Abstract This paper describes an approach to the design of interactive multimedia materials being developed in a European Community project. The developmental process is seen as a dialogue between technologists and teachers. This dialogue is often problematic because of the differences in training, experience and culture between them. Conditions needed for fruitful dialogue are described and the generic model for learning design used in the project is explained.     

European Community policy and the market

Abstract This paper starts with some reflections on the policy considerations and priorities which are shaping European Commission (EC) research programmes. Then it attempts to position the current projects which seek to capitalise on information and communications technologies for learning in relation to these priorities and the apparent realities of the marketplace. It concludes that while there are grounds to be optimistic about the contribution EC programmes can make to the efficiency and standard of education and training, they are still too technology driven.     

一种自适应子融合集成多分类器方法

融合集成方法已经广泛应用在模式识别领域,然而一些基分类器实时性能稳定性较差,导致多分类器融合性能差,针对上述问题本文提出了一种新的基于多分类器的子融合集成分类器系统。该方法考虑在度量层融合层次之上通过对各类基多分类器进行动态选择,票数最多的类别作为融合系统中对特征向量识别的类别,构成一种新的自适应子融合集成分类器方法。实验表明,该方法比传统的分类器以及分类融合方法识别准确率明显更高,具有更好的鲁棒性。     

Avoiding semantic and temporal gaps in developing software intensive systems

Development of software intensive systems (systems) in practice involves a series of self-contained phases for the lifecycle of a system. Semantic and temporal gaps, which occur among phases and among developer disciplines within and across phases, hinder the ongoing development of a system because of the interdependencies among phases and among disciplines. Such gaps are magnified among systems that are developed at different times by different development teams, which may limit reuse of artifacts of systems development and interoperability among the systems. This article discusses such gaps and a systems development process for avoiding them.     

Designing economic np control charts: A programmed simulation approach

This paper presents control charts models and the necessary simulation software for the location of economic values of the control parameters. The simulation program is written in FORTRAN, requires only 10K of main storage, and can run on most mini and micro computers. Two models are presented - one describes the process when it is operating at full capacity and the other when the process is operating under capacity. The models allow the product quality to deteriorate to a further level before an existing out-of-control state is detected, and they can also be used in situations where no prior knowledge exists of the out-of-control causes and the resulting proportion defectives.     

The development of robot art

Going through a few examples of robot artists who are recognized worldwide, we try to analyze the deepest meaning of what is called “robot art” and the related art field definition. We also try to highlight its well-marked borders, such as kinetic sculptures, kinetic art, cyber art, and cyberpunk. A brief excursion into the importance of the context, the message, and its semiotics is also provided, case by case, together with a few hints on the history of this discipline in the light of an artistic perspective. Therefore, the aim of this article is to try to summarize the main characteristics that might classify robot art as a unique and innovative discipline, and to track down some of the principles by which a robotic artifact can or cannot be considered an art piece in terms of social, cultural, and strictly artistic interest. This work was presented in part at the 13th International Symposium on Artificial Life and Robotics, Oita, Japan, January 31–February 2, 2008     

Explanation and prediction: an architecture for default and abductive reasoning

Although there are many arguments that logic is an appropriate tool for artificial intelligence, there has been a perceived problem with the monotonicity of classical logic. This paper elaborates on the idea that reasoning should be viewed as theory formation where logic tells us the consequences of our assumptions. The two activities of predicting what is expected to be true and explaining observations are considered in a simple theory formation framework. Properties of each activity are discussed, along with a number of proposals as to what should be predicted or accepted as reasonable explanations. An architecture is proposed to combine explanation and prediction into one coherent framework. Algorithms used to implement the system as well as examples from a running implementation are given.     

Three Process Perspectives: Organizations, Teams, and People

This paper provides the author's personal views and perspectives on software process improvement. Starting with his first work on technology assessment in IBM over 20 years ago, Watts Humphrey describes the process improvement work he has been directly involved in. This includes the development of the early process assessment methods, the original design of the CMM, and the introduction of the Personal Software Process (PSP)^SM and Team Software Process (TSP){^SM}. In addition to describing the original motivation for this work, the author also reviews many of the problems he and his associates encountered and why they solved them the way they did. He also comments on the outstanding issues and likely directions for future work. Finally, this work has built on the experiences and contributions of many people. Mr. Humphrey only describes work that he was personally involved in and he names many of the key contributors. However, so many people have been involved in this work that a full list of the important participants would be impractical.     

基于复小波噪声方差显著修正的SAR图像去噪

提出了一种基于复小波域统计建模与噪声方差估计显著性修正相结合的合成孔径雷达(Synthetic Aperture Radar,SAR)图像斑点噪声滤波方法。该方法首先通过对数变换将乘性噪声模型转化为加性噪声模型,然后对变换后的图像进行双树复小波变换(Dualtree Complex Wavelet Transform,DCWT),并对复数小波系数的统计分布进行建模。在此先验分布的基础上,通过运用贝叶斯估计方法从含噪系数中恢复原始系数,达到滤除噪声的目的。实验结果表明该方法在去除噪声的同时保留了图像的细节信息,取得了很好的降噪效果。     

How do children do mathematics with LOGO?

Abstract  This paper considers some results of a study designed to investigate the kinds of mathematical activity undertaken by children (aged between 8 and 11) as they learned to program in LOGO. A model of learning modes is proposed, which attempts to describe the ways in which children used and acquired understanding of the programming/mathematical concepts involved. The remainder of the paper is concerned with discussing the validity and limitations of the model, and its implications for further research and curriculum development.