WindowsNT与Multibus系统

介绍了在WindowsNT下用Delphi实现PC工控机和Multibus系统实时串行通信软件的设计,以及WindowsNT和Multibus系统中硬件中断的处理方法.     

Multibus多重计算体系结构CNC系统研究

本文介绍了Multibus系统总线及扩充总线的结构特点,分析了采用Muetibus 的多重计算体系结构CNC系统的开发,讨论了Multibus多重计算体系结构CNC系统的功能模块化配置,提出了需要攻关的课题和研究的方向。     

MULTIBUSⅡ为80386的设计增加了活力

引言:最先进的开放式系统总线结构——MultibusⅡ-定会增强以80386为基础的产品的性能和分处理机能力。随着在今年午些时候12种新的板子和软件模块的引进,lntel建立了它的MultibusⅡ结构。这些建筑块(硬件和软件模块)为那些在先进的系统中需要高性能,可靠性和简单性的OEM产品提供了16位和32位的功能。 MultibusⅡ发展了80386的产品,这是因为它的先进的性能和分处理机能力。信息传递——MultibusⅡ的主要优点使高速的多处理机工作成为可能。信息传递使得在总线     

NetBIOS通讯在分布式测控系统中的应用

应用NetBIOS网络编程解决分布式测控系统中WindowsNT服务器和DOS工作站之间的数据通讯问题,和传统的串口通讯相比较,通讯的实时性、可靠性都有很大的提高.本文概括了分布式测控系统和客户/服务器模式的特点,分析了NovellODI的工作原理及WindowsNT内置网络的工作过程,详细介绍了NetBIOS的编程方法,给出了具体的代码实现示例.     

MultibusⅠ与SBC单板发展综述

<正> MultibusⅠ总线与SBC单板的引进与开发已有近十年的历史。由于MultibusⅠ总线所具有的开放式系统设计结构以及SBC 单板所具有的高性能、高可靠性的特点,使得Multibus Ⅰ和SBC 单板技术在工业过     

集散式物料发放计量系统的数据采集与网络通讯

论述了在WindowsNT环境、多串行口通讯状态下,集散式物发放计量系统的数据采集与网络通讯的原理和实现方法。叙述了系统的软硬件实现方案。该系统基于WindowsNT平台上,用MOSA卡扩展串行口。使用VFP6开发工具。利用MSCOMM32．OCX与Winsock控件实现上下位机的串行端口通讯以及上位机与服务器的的通讯,实现数据采集与管理同步,对提高发货系统自动化水平具有较大的实用价值。     

Windows NT与UNIX的系统集成

一、WindowsNT与UNIX系统集成的目标作为网络操作系统中的两个主要竞争对手，WindowsNT与UNIX具有许多相似之处，如都是32位通用操作系统，都具备多任务、多线程能力，都支持对称多处理系统，都具有很好的网络功能，都能为应用提供受保护的虚拟地址空间，都能在较多的平台上运行，都能在较多的平台上运行，都支持先进的文件系统和长的文件名等，然而它们之间的差别也是明显的，各自都有优势和不足之处。UNIX的主要优势在于技术比较成熟，可靠性高。在伸缩性（ffealabllitv）上比WindowsNT有明显的优势，目前商品化的UNIX系统支持…     

Windows NT线程调度技术分析与应用

WindowsNT是一个抢占式多任务操作系统。介绍了WindowsNT的线程调度技术,并结合应用实例进行分析,以便能深入理解WindowsNT的程序运行机制,这对在WindowsNT下进行多线程应用开发具有较好的指导作用。     

IEEE—488总线控制器支持Multibus系统

美国Computer Modnles公司宣布了用于Multibus Ⅰ或Multibus Ⅱ为基础的单板计算机的IEEE—488总线控制器,它可控制15个讲者和听者。LSBX—488安装在单宽iSBX Multimodule插件板上。     

电除尘器仿真培训软件的实时多任务调度系统

阐述了电除尘器仿真培训软件的实时多任务调度系统的组成以及基于WindowsNT4．0环境下实时多任务调度系统的设计与实现。     

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     

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.     

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。