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数学建模能培养学生的创新意识与创新能力、应用意识与应用能力,这正是时代发展所需要的高素质、复合型的创新人才。数学建模教育在人才培养中有着重要的地位和不可替代的作用,因此应注重数学建模教育,创设多维度空间:如,利用主课堂、开设建模协会、开展建模集训和参加建模竞赛等多种形式,使数学建模从不同角度、不同领域、不同层面融入课堂...  相似文献   
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The Internet of Things (IoT) is becoming an attractive system paradigm, in which physical perceptions, cyber interactions, social correlations, and even cognitive thinking can be intertwined in the ubiquitous things’ interconnections. It realizes a perfect integration of a new cyber–physical–social–thinking (CPST) hyperspace, which has profound implications for the future IoT. In this article, a novel concept Cybermatics is put forward as a broader vision of the IoT (called hyper IoT) to address science and technology issues in the heterogeneous CPST hyperspace. This article covers a broaden research field and presents a preliminary study focusing on its three main features (i.e., interconnection, intelligence, and greenness). Concretely, interconnected Cybermatics refers to the variants of Internet of anything, such as physical objects, cyber services, social people, and human thinking; intelligent Cybermatics considers the cyber–physical–social–thinking computing to provide algorithmic support for system infrastructures; green Cybermatics addresses energy issues to ensure efficient communications and networking. Finally, open challenging science and technology issues are discussed in the field of Cybermatics.  相似文献   
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防火墙过滤规则的建模和全面优化   总被引:1,自引:1,他引:1  
防火墙的管理在今天的企业网络环境中是一个复杂和易出错的任务,网络管理员不能仅仅依靠自己的经验和知识来配置防火墙,而必须使用有效的工具和技术,在系统的方法学的指导下来完成。论文采用几何技术对防火墙的配置进行建模,每个过滤规则被映射为多维空间中的一个几何体,从而使得防火墙的配置可视化和易于理解。该方法可以对防火墙的现有规则库进行彻底的重写,从而实现全面的优化。另外,该文还将通常定义在两个规则之间的规则冲突的概念和分类扩展到多个规则之间。  相似文献   
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In order to make motion planning fitting practice,many characteristic of CNC trajectory motion are discussed, such as the geometric function,the motion and the time.It is found that the relation between orbit function and motional parame- ter,so the differential equation about the trajectory motion be set-up by the goal of trajectory motion.The actual motion process is defined as reference time to link planning and practice.Present a new movement planning method based on self-defining time.At rest state,the differential simultaneous equation can be calculated according geometric characteristic analysis,it can be get that simple function consisted of coordinate and reference time variants.At motive state,dynamic parameter can be worked out accord- ing practical value of reference time,It is proved by experiment and simulation that it is a good way to control geometry and motion comprehensively,to reduce computation times and to increase the ability of environmental adaptation for path planning  相似文献   
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通过例举的图解过程阐述了求多维空间几何元素相交问题,可利用三维投影原理向平面转化,将多维问题定位于同一三维空间(即超平面)内进行求解。  相似文献   
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