k-ary n-cube网络中高速开关TH-Switch的设计与路由算法

随着处理器速度的不断提高，互联网络逐渐成为限制网络并行计算系统性能发挥的主要瓶颈。本文中所介绍的ＴＨ－ＧＢＮｅｔ是基于动态ｃｒｏｓｓｂａｒ开关的可扩展高速互联网络。ＴＨ－ＧＢＮｅｔ系统以ＴＨ－Ｓｗｉｔｃｈ为基本开关单元，具有很强的扩展能力。其中的ＴＨ－Ｓｗｉｔｃｈ开关单元具有８个双向端口，单向的数据传输率能够达到１．０５６Ｇｂｐｓ。本文主要介绍了高速开关ＴＨ－Ｓｗｉｔｃｈ的结构及其在ｋ－ａｒｙ ｎ     

可编程无线电遥控开关系统

可编程无线电遥控开关系统黄智伟，汪时云，李富英ＰｒｏｇｒａｍｍａｂｌｅＲａｄｉｏＲｅｍｏｔｅｓｗｉｔｃｈＳｙｓｔｅｍ￥ＨｕａｎｇＺｈｉｗｅｉ；ＷａｎｇＳｈｉｙｕｎ；ＬｉＦｕｙｉｎｇ本文介绍的可编程无线电遥控开关系统，采用ＭＣＢ－ｓｌ系列单片机控制专用...     

一种适合开关量无线传送的收发电路

一种适合开关量无线传送的收发电路ＡＣｉｒｃｕｉｔｏｆＳｗｉｔｃｈＳｉｇｎａｌＷｉｒｅｌｅｓＴｒａｎｓｍｉｔｉｎｇ●黄智伟李富英ＨｕａｎｇＺｈｉｗｅｉＬｉＦｕｙｉｎｇ１引言本文介绍一种适合开关量无线传送的收发电路。电路采用ＳＭＴ／ＴＨＴ工艺制造，集地址...     

多路开关变位信号智能采集系统的设计

多路开关变位信号智能采集系统的设计阎保定，郭跟成ＤｅｓｉｇｎｏｆＩｎｔｅｌｌｉｇｅｎｔＣｏｌｌｅｃｔＳｙｓｔｅｍｆｏｒＶａｒｉａｂｌｅＤｅｆｌｅｃｔｉｏｎＳｉｇｎａｌｂｙＭｕｌｔｉｗａｙＳｗｉｔｃｈ￥ＹａｎＢａｏｄｉｎｇ；ＧｕｏＧｅｎｃｈｅｎｇ在许多...     

可扩展并行Web Server集群技术

采用并行Ｗｅｂ Ｓｅｒｖｅｒ集群技术实现高性能Ｗｅｂ Ｓｅｒｖｅｒ已经成为一种趋势。该技术具有性能高、可扩展性好、可靠性高、成本低等优点。本文介绍了我们研制的ＴＨ－Ｗｅｂ Ｃｌｕｓｔｅｒ的工作原理、组成结构和所采用的几种关键技术,并与现有的技术和方法进行了比较。本文还简要介绍了ＴＨ－Ｗｅｂ Ｃｌｕｓｔｅｒ上开发的两个应用系统ＴＨ－Ｗｅｂ Ｄｉｇｇｅｒ（信息挖掘工具）和ＴＨ－Ｗｅｂ Ｓｅａｒｃｈ（搜     

高性能的快速以太网交换器：Bay networks LattisSwitch28115

本文较为详细地介绍了Ｂａｙ ｎｅｔｗｏｒｋｓ ＬａｔｔｉｓＳｗｉｔｃｈ ２８１１５快速以太网交换器的特点及高性能。     

高性能的快速以太网交换器

详细地介绍了Ｂａｙ ｎｅｗｔｏｒｋｓ ＬａｔｔｉｓＳｗｉｔｃｈ２８１１５快速以太网交换器的特点及高性能。     

Polyswitch自恢复保险丝在晶闸管触发电路中的应用

Ｐｏｌｙｓｗｉｔｃｈ自恢复保险丝是美国Ｒａｙｃｈｅｍ公司生产的一种新型元件，Ｐｏｌｙｓｗｉｔｃｈ元件在过电流情况下电阻迅速增大，将回路电流降到足够小，从而使电路受到保护。当过电流消失时，Ｐｏｌｙｓｗｉｔｃｈ元件的电阻恢复常态，以允许电路正常工作［１］...     

电子支付系统分析与比较

围绕电子电付系统４种类型－信用卡支付、电子支票、电子现金和微额支付,介绍了现有的６种模型：ＣｙｂｅｒＣａｓｈ、ＦｉｒｓｔＶｉｒｔｕａｌ、Ｅｃｈｅｃｋ、Ｅｃａｓｈ、ＮｅｔＣａｓｈ和Ｍｉｌｌｉｃｅｎｔ。通过对不同类型的支付模型的分析比较,得出今后在支付系统研究中需要改进和解决的问题。     

Internet/Intranet上电子商店的一个实现方法

本文的主要目的是以ＩＢＭ ｅ－ｂｕｓｉｎｅｓｓ解决方案中的Ｎｅｔ．Ｃｐｍｍｅｒｃｅ为例,介绍如何在Ｉｎｔｅｒｎｅｔ上建立并实现电子商店。     

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。     

煤矿井下安全监控分站的设计及其仿真实现

为了设计一种具有低成本、低功耗、易操作、功能强且可靠性高的煤矿井下安全分站,针对煤矿安全生产实际,文章提出了采用MCS-51系列单片机为核心、具有CAN总线通信接口的煤矿井下安全监控分站的设计方案;首先给出煤矿井下安全监控分站的整体构架设计,然后着重阐述模拟量输入信号处理系统的设计过程,最后说明单片机最小系统及其键盘、显示、报警、通信等各个组成部分的设计;为验证设计方案的可行性与有效性,使用Proteus软件对设计内容进行仿真验证,设计的煤矿井下安全监控分站具有瓦斯、温度等模拟量参数超标报警功能和电机开停、风门开闭等开关量指示功能;仿真结果表明:设计的煤矿井下安全监控分站具有一定的实际应用价值.     

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.     

基于QTE的蒙古文显示机制研究与实现

蒙古语言是中国蒙古族使用的通用语言,由于蒙古文区别于其他文字的书写方式和其自身变形机制等特点,在很多通用的文字处理引擎中都不被支持。在嵌入式产品开发与应用领域中Linux加QTE已经成为流行方式。该文给出了一种在QTE环境上实现基于标准Unicode的蒙古文点阵显示和变形算法, 并自定义了支持蒙古文的QTE组件,扩展了QTE功能,为在Linux加QTE方式的嵌入式体系结构中处理蒙古文提供了一种解决方法。     

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.     

基于AD9626的模拟信号采集存储卡设计

自然界的绝大部分信号都是以模拟的形式存在,因此模拟信号的采集转换存储在数字时代十分关键。文章讨论了在雷达信号处理领域基于AD9626的AD采集存储卡的设计原理、硬件结构和程序设计与芯片配置等问题,为今后相关领域的研究提供了可参考的方案。     

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     

A human-computer interface for non-computer specialists

The COM teleconferencing system was designed to be easy to use for both beginners and people with much computer experience. A number of design choices in organizing the human-computer interface were considered very carefully. These design problems are not unique for teleconferencing applications, but will appear in many other developments of human-computer interfaces for non-computer specialists. This report discusses naming conventions, menu format, user commands, help facility and the treatment of ‘type ahead’ from the users.