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在用户操作现场感知用户需求,采用情景驱动,将科技文献服务即时嵌入到用户的工作流程之中。介绍了这种嵌入式桌面信息服务的基本思想及系统设计、实现方法。 相似文献
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嵌入式W eb服务器的实现使得用户可以通过浏览器对系统进行监控、管理,也为用户提供丰富、直观的数据表现形式;可编程序控制器(PLC)由于具有程序设计灵活方便、通用性好、抗干扰能力强、可靠性高、能在恶劣的工作环境长期工作等特点,成为工业自动化领域中发展极其迅速的通用控制装置;本文综合嵌入式W eb服务器和PLC的优点,设计一套高性能的远程电力监控系统。 相似文献
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Three-term contingency trials (TCTs) involve planned/naturally occurring antecedents, child's demonstration of target behaviors, and planned/naturally occurring consequences. Positive relationships between teachers' frequent use of TCTs and children's learning were noted in literature. This study aimed to investigate impact of an intervention package including training and coaching with performance feedback on experienced and novice special education preservice teachers' use of TCTs and relationship between teachers' implementation and child outcomes through two single-case experiments using multiple baseline across participants design. Three special education preservice teachers and three children with disabilities participated in each study. Results indicated intervention package was effective in increasing preservice teachers' use of TCTs. Preservice teachers generalized their use and sustained it during maintenance sessions conducted after intervention ended. Furthermore, as frequency and accuracy of preservice teachers' implementation increased, percentage of children's correct responses in relation to target skills improved. Implications for future practice and research are discussed. 相似文献
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当前民族传统体育对抗类项目训练分析主要是以教练员主观经验判断为主,缺乏客观性和时效性.本研究搭建了一个ARM+ DSP+ CPLD技术框架平台,采用视频图像智能分析与处理技术对运动员的训练及比赛实况进行实时记录和智能诊断,得出可供教练员与运动员参考的处理结果,达到提高训练效率,提高比赛成绩的目的. 相似文献
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Wolfgang Schr?der-Preikschat Daniel Lohmann Fabian Scheler Olaf Spinczyk 《Informatik - Forschung und Entwicklung》2007,22(1):5-22
Design, implementation, and re-engineering of operating systems are still an ambitious undertaking.
Despite, or even because, of the long history of theory and practice in this field, adapting existing systems
to environments of different conditions and requirements as originally specified or assumed, in terms of
functional and/or non-functional respects, is anything but simple. Especially this is true for the embedded
systems domain which, on the one hand, calls for highly specialized and application-aware system abstractions
and, on the other hand, cares a great deal for easily reusable implementations of these abstractions.
The latter aspect becomes more and more important as embedded systems technology is faced with an innovation
cycle decreasing in length. Software for embedded systems needs to be designed for variability, and this
is in particular true for the operating systems of this domain. The paper discusses dimensions of variability
that need to be considered in the development of embedded operating systems and presents approaches that
aid construction and maintenance of evolutionary operating systems.
CR subject classification C.3; D.2.11; D.2.13; D.4.7 相似文献
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基于开源软件构建OPAC检索机的研究与实现 总被引：2，自引：0，他引：2
针对目前OPAC检索机缺少专有的系统运行环境，提出一种利用开源软件构建OPAC检索机的解决方案。区别于传统的基于Windows的OPAC检索机解决方案，采用完全免费、标准开放的开源软件构建，不仅减少系统的投入，而且具有高效、稳定、安全、易维护的特点。 相似文献
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泛在知识环境下,现代图书馆开展嵌入式学科服务成为必然发展趋势.论文基于嵌入性理论,对高校图书馆联盟构建机制以及嵌入式学科服务的开展进行探讨,认为高校图书馆联盟应以用户需求为核心,协同合作,构建统一的学科服务平台,协同培育用户驾驭知识、运用知识和创新知识的智慧能力. 相似文献
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国内外图书馆嵌入式学科服务综述 总被引：2，自引：0，他引：2
论文指出：在新的信息环境下,嵌入用户实体空间、虚拟空间以及图书馆馆内空间,为用户教学、学习、科研提供全方位的知识服务,培养用户的学习、研究和创新能力,已经成为图书馆学科服务变革的方向。 相似文献
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嵌入式产品逐渐普及,推动了嵌入式Web应用技术的发展。根据嵌入式Web应用现状,分析了存在的问题,主要有代码混杂、维护困难、用户体验不好等。针对这些问题,制定了切实可行的解决方案：使用Ajax异步技术解决出现的问题。实践证明文中方法切实提高了Web应用开发效率,改善了用户体验。 相似文献