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1.
Abstract

From a survey of 201 people concerned with information-system design, estimates for 83 systems indicate that on average 30—35, per cent of operational software is devoted to the user-system interface (USI). In the design of USI software, survey responses indicate that improvements are needed in requirements definition, design documentation and design guidelines.  相似文献   

2.
彭伟 《计算机与数字工程》2013,41(10):1636-1641,1653
USB接口速度快、接口简单、占用CPU资源少,但其复杂的协议却严重阻碍了USB接口应用系统的快速开发与实现。论文针对Microchip公司USB接口系统固件框架,基于控制传输状态机重点解析了事务完成中断驱动的建立、数据、状态三个阶段相关事务处理程序设计技术,研究了基于HID类设备的用户I/O程序设计技术、基于C#.NET的上位机软件开发技术等,在PROTEUS仿真平台测试分析了以PIC18F4550微控制器为核心的USB接口应用系统,为USB接口应用系统开发与实现提供了重要模式与途径。  相似文献   

3.
Campos  P. Nunes  N.J. 《Software, IEEE》2007,24(1):73-80
Many studies have analyzed general software development practices and how organizations can better support them. However, literature that qualitatively studies user-interface-related work practices in software development is relatively rare. Supporting workstyle transitions in UI practices is nonetheless important. A survey of 370 practitioners about their workstyles and tool use offers concrete examples of design tools that support the most important workstyle transitions. The survey also resulted in recommendations for making design tools more human-centric and appealing to practitioners interested in the UI aspects of software development  相似文献   

4.
基于GSM的温湿度远程监测系统   总被引:5,自引:1,他引:5  
本文在提出基于GSM的远程温湿度监测系统总体设计方案的基础上,给出了系统的硬件设计并设计了具体的以PC机为平台的监测中心系统软件和以MSP430单片机为平台的监测分站系统软件,实现了远程的温湿度监测。  相似文献   

5.
Webster  D.E. 《Computer》1988,21(12):8-23
Some early results from an ongoing design representation technology survey and assessment are presented. The objectives were to provide a context for the evaluation of alternatives for representation of software design information and to serve as a catalyst for further research in the area. The scope of the problem and the survey approach are described. A rough `technology map' of the design representation `terrain' that resulted from the survey is discussed, along with some observations derived from the survey  相似文献   

6.
This paper presents the results of an international questionnaire survey that was developed to analyse how the potential addressees of the ISO 9241 part 10 standard—human factor (HF) experts engaged in the design, evaluation, purchase, and application of software systems—accept the first committee draft of this standard. It reports how HF experts from nine countries evaluated the First Committee Draft of ISO 9241 Part 10. Inquiries were made about whether the standard provides a framework for the design and evaluation of dialogue systems, or whether the subject of the standard is mature enough to be published as an international recommendation. Results indicate a widespread approval among 90 HF experts of the form and content of ISO 9241 Part 10.  相似文献   

7.
Object-oriented software development utilizes new design methodologies. These methodologies can be supported by computer-aided software engineering tools, such as Rational Rose. A survey of software developers identifies the demand for various features, and reveals strengths and need for improvements in Rational Rose. Overall, respondents indicated that Rational Rose provides strong support for OO design, but could additional support for teamwork, prototyping, and improvements in ease of use.  相似文献   

8.
面向网络链路预测的随机分块模型和层次结构模型利用全概率思想计算节点对之间的链路形成概率,但无法有效利用从宏观、中观网络结构到微观低阶环或模体结构中的重叠结构信息,导致链路预测结果的准确率较低。根据笛卡尔积和幂集等概念,借鉴随机分块模型和层次结构模型思想,构建一种对层次结构信息、重叠结构信息和微观结构信息进行统一描述的网络结构模型(USI)。基于USI模型提出一种链路预测方法,依据网络结构信息给出USI模型中的集合划分,利用最大似然估计法计算节点对之间的链路形成概率,最终根据概率并联策略得到链路预测结果。实验结果表明,与基于节点相似性的经典链路预测方法相比,该方法在LT、ER、OP网络数据集上的AUC值提升了0.075~0.143,具有更高的链路预测准确性,并且验证了网络规模对链路形成具有一定的影响。  相似文献   

9.
Support for capturing architectural knowledge has been identified as an important research challenge. As the basis for an approach to recovering design decisions and capturing their rationale, we performed an expert survey in practice to gain insights into the different kinds, influence factors, and sources for design decisions and also into how they are currently captured in practice. The survey was conducted with 25 software architects, software team leads, and senior developers from 22 different companies in 10 different countries with more than 13 years of experience in software development on average. The survey confirms earlier work by other authors on design decision classification and influence factors, and also identifies additional kinds of decisions and influence factors not mentioned in previous work. In addition, we gained insight into the practice of capturing, the relative importance of different decisions and influence factors, and into potential sources for recovering decisions.  相似文献   

10.
Several requirements are placed on queueing models of computer systems. These include credibility, accuracy, timeliness and cost. Modelling software can have critical impact on all of these requirements. We survey the characteristics of major pieces of queueing software. Based on this survey we synthesize a set of design objectives for queueing software. Finally, we discuss our own queueing network software, the Research Queueing Package (RESQ), in light of these objectives.  相似文献   

11.
12.
This survey investigates search-based approaches to software design. The basics of the most popular meta-heuristic algorithms are presented as background to the search-based viewpoint. Software design is considered from a wide viewpoint, including topics that can also be categorized as software maintenance or re-engineering. Search-based approaches have been used in research from the high architecture design level to software clustering and finally software refactoring. Enhancing and predicting software quality with search-based methods is also taken into account as a part of the design process. The background for the underlying software engineering problems is discussed, after which search-based approaches are presented. Summarizing remarks and tables collecting the fundamental issues of approaches for each type of problem are given. The choices regarding critical decisions, such as representation and fitness function, when used in meta-heuristic search algorithms, are emphasized and discussed in detail. Ideas for future research directions are also given.  相似文献   

13.
14.
介绍了防震减灾知识普及率抽样调查的数学模型和软件系统的设计方法,运用Java高级程序设计语言,采用struts2+Hibernate+spring框架,结合DWR+ExtJs技术实现了在线调查市县防震减灾知识普及率的软件系统,并应用到红河州石屏县等3个县市5类人群的防震减灾知识普及率的抽样调查中。  相似文献   

15.
Graphic Processing Units (GPUs) have greatly exceeded their initial role of graphics accelerators and have taken a new role of co-processors for computation—heavy tasks. Both hardware and software ecosystems have now matured, with fully IEEE compliant double precision and memory correction being supported and a rich set of software tools and libraries being available. This in turn has lead to their increased adoption in a growing number of fields, both in academia and, more recently, in industry. In this review we investigate the adoption of GPUs as accelerators in the field of Finite Element Structural Analysis, a design tool that is now essential in many branches of engineering. We survey the work that has been done in accelerating the most time consuming steps of the analysis, indicate the speedup that has been achieved and, where available, highlight software libraries and packages that will enable the reader to take advantage of such acceleration. Overall, we try to draw a high level picture of where the state of the art is currently at.  相似文献   

16.
首先分析软件和软件过程改进的复杂性,接着说明了J.N.Warfield提出的设计过程成功集的概念,应用通用设计科学集成了Watts S. Humphrey的软件过程改进六原理,得到了软件过程改进复杂性七命题,并对结果进行了实证研究,包括问卷调查与案例研究。最后,结合中国实际探讨了软件过程改进知识支持结构,包括软件项目管理的三个层次和软件过程改进的知识支持结构。  相似文献   

17.
Abstract This paper surveys the attitudes on the use of computers for aesthetic communication. In spite of the proliferation of computer art software and the popularity of art galleries on the world-wide web, many artists still find it difficult to accept computer art as a form of art. Many of them find only commercial values in computer art. To understand the latent attitudes constituting this rejection, a survey was conducted among high school students and the data was analysed with LISREL structural equation modelling techniques. Results indicate that aesthetic concerns, conservatism, and stereotypes are the major factors accounting for the negative attitude. Implications for system design to overcome the negative attitudes are discussed.  相似文献   

18.
在建筑勘察设计行业,总少不了跟大幅面绘图仪打交道。绘图仪相关的故障各形各色,该文从理论上把这些问题归归类。它对当前建筑勘察设计行业所使用的主流大幅面绘图仪进行了软硬件故障方面的剖析。  相似文献   

19.
Abstract

This paper presents the results of an international questionnaire survey that was developed to analyse how the potential addressees of the ISO 9241 part 10 standard—human factor (HF) experts engaged in the design, evaluation, purchase, and application of software systems—accept the first committee draft of this standard. It reports how HF experts from nine countries evaluated the First Committee Draft of ISO 9241 Part 10. Inquiries were made about whether the standard provides a framework for the design and evaluation of dialogue systems, or whether the subject of the standard is mature enough to be published as an international recommendation. Results indicate a widespread approval among 90 HF experts of the form and content of ISO 9241 Part 10.  相似文献   

20.
软件工程以及学科的确立为我国软件工程教育的发展带来了巨大的机遇。本文通过分析国际软件工程专业研究生教程GSwE2009,试图为我国软件工程专业研究生教育体系的设计提供思路。本文是一片以综述为主的文章,首先阐述了软件工程专业硕士研究生的培养目标,分析了硕士研究生的入学基础,重点讨论了GSwE2009的教育知识体系,给出了硕士研究生课程体系构架的设计思路。  相似文献   

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