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非单位步长双环网络G(N;r,s)的L形瓦仿真算法 总被引:6,自引:0,他引:6
计算非单位步长双环网络的直径是通过研究其等价的L形瓦来进行的,随着N的增大和r,s的增多,手工绘制L形瓦是不可能的,为此提出非单位步长双环网络G(N;r,s)的L形瓦仿真算法,对任意给定N,而2=相似文献
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双环网络G(N;1,s)的L形瓦仿真算法 总被引:10,自引:3,他引:10
提出双环网络G(N;1,S)的L形瓦仿真算法,利用VB6.0作为编程语言、SQL Server2000作为数据库来实现这一算法,对任意给定N,而2=相似文献
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利用仿真来研究双环网络G(N;1,s)的紧优分布特性在国内外文献中尚未见到。提出一种快速仿真算法,计算出任意N存在的紧优个数n,仿真出4≤N≤1000的n-N紧优分布率和n/(N-2)-N紧优分布率,并列出其中无紧优双环网络的N值。仿真结果表明,n—N分布呈现平稳的波动特性,n不随着N递增,而n/(N-2)随着N的增加呈波动性下降的趋势,并且与N的奇偶性无关。 相似文献
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李腊元 《系统工程与电子技术》1993,(2)
本文主要对典型的计算机双环网络拓扑进行了研究。提出了双环网络的形式描述模型,给出了典型双环拓扑的模型表示,并对这类典型双环的网络直径、平均跳跃距离和吞吐量——延迟特性进行了研讨。 相似文献
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用于月球车性能仿真的着陆区三维地形构造方法研究 总被引:2,自引:0,他引:2
作者旨在虚拟环境下建立包含典型地形特征的月面数字模型,为月球车的合理设计优化及其运动性能检测提供仿真试验平台。经统计分析建立月面撞击坑和石块的数字模型,采用分形布朗运动算法生成月面基础地形,选择基于直径预先确定和随机生成法将撞击坑和石块添加于该地形中生成三维数据;再基于Imageware利用这些数据重构二维图形,以imw格式输入UG构造parasolid格式三维模型;最后,将该模型和月球车CATIA模型导入ADAMS构造可参数化、可重用的月面着陆区仿真环境。试验表明,该着陆区三维模型可实现月球车在凹凸不平月面上的运动学、动力学仿真试验。 相似文献
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《系统工程理论与实践》2014,(5)
正August 10-14,2015Beijing,ChinaThe International Congress on Industrial and Applied Mathematics(ICIAM)is the premier international congress in the field of applied mathematics held every four years under the auspices of the International Council for Industrial and Applied Mathematics.From August 10 to 14,2015,mathematicians,scientists 相似文献
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《系统科学与系统工程学报(英文版)》2014,(2)
正AF:Any Field The School of Economics and Management at Tsinghua University(Tsinghua SEM)invites applications for faculty positions at all levels(Assistant Professor,Associate Professor and Full Professor)in any fields of business administration and management.Tsinghua SEM is the only school 相似文献
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《系统科学与系统工程学报(英文版)》2014,(4)
正June 22-24,2015Guangzhou,China http://iec.cnsba.com/index.htmlCo-Sponsored by:ffiEE SMC(pending)South China University of Technology The Chinese University of Hong Kong Tsinghua UniversityHosted bv:School of Business Administration,South China University of Technology,China Conference Co-Chairs: 相似文献
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The paper is about negotiating with issues that discourage innovation. The subject is environmental deterioration, with concern directed at the impediments that keep it from being innovatively resolved. The paper is organized around three issues. (1) The dominant model of environmental concern, called environmental protection, is managed predominantly via command and control approaches. (2) Command and control, by relying on analytical segmentation to subdivide the problem into digestible bits and using formal legislation to direct it, are not up to emerging challenges in the area. (3) More robust models are available but difficult to experiment with due to impediments that discourage change. These impediments are seen in ideals associated with protection, prevention, recycling, and sustainability that tend to do more to sustain harmful practices than to seek beneficial alternatives. Being able to appreciate the underlying restrictions of entropy could help stimulate a more innovative agenda. These issues are tested via a project funded by the EPA entitled ENERGY STAR Homes. 相似文献