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设G是简单连通图,r_n~c(G)和ir_n(G)分别表示图G的连通n-Domination数和n-Irredundance数、本文证明了如下结论:r_n~c(G)≤(3n+1)ir_n(G)-2n。 相似文献
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品质因数是决定微机械陀螺结构性能的重要参数。传统测量振动结构品质因数的幅频曲线半功率带宽法需要记录大量幅频响应数据并需作离线处理,测量效率很低。通过分析微机械陀螺动力学模型发现,品质因数可根据谐振频率及相频函数在谐振频率点处的一阶导数值计算,且相频曲线在谐振频率点附近近似为线性。利用这些特点,提出一种新的品质因数在线快速测量方法。首先,在谐振频率附近对陀螺进行激励,得到相频数据;然后,使用递推最小二乘法估计出相频曲线斜率;最后根据该斜率和谐振频率值计算出品质因数。新方法不需要存储和离线分析频率响应数据,可以自动确定品质因数。仿真和实验验证了本文方法的正确性和可行性。 相似文献
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将复合支路和网络撕裂技术用于寻找无向图中全部生成树的算法.给出复合支路的概念、表示方法和运算规则,以及由各个子图的全部生成树得到原图的全部生成树的方法.在图的分解和找树过程中,可以采用并行算法,从而降低了找树算法的复杂性. 相似文献
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并行离散事件仿真(Parallel Discrete Event Simulation,PDES)模型的正确性和可信度对PDES应用的发展起着决定性作用.然而,现有的并行离散事件仿真开发环境都没有提供仿真模型检验功能.并行模型检验(Parallel Model Checking,PMC)方法以其完备性、高效性已经在工业... 相似文献
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Myerson 3 and 4 proposed and characterized a modification of the Shapley value in the context of communication situations. In this paper we propose several characterizations of the extension of the Banzhaf value proposed by Owen 7 to communication situations. In particular we characterize this value with the properties of fairness, isolation, and pairwise merging. © 2006 Wiley Periodicals, Inc. Naval Research Logistics, 2006 相似文献
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简要介绍了GDI+,提出了在Web系统中利用GDI+实现统计图绘制的思路,并结合Visual C#.NET与Oracle数据库,举例阐述了统计图实现的关键技术和具体步骤,该技术在军队油库信息可视化研究与应用项目中得到很好应用。 相似文献
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The theory of directed graphs and noncooperative games is applied to the problem of verification of State compliance to international treaties on arms control, disarmament and nonproliferation of weapons of mass destruction. Hypothetical treaty violations are formulated in terms of illegal acquisition paths for the accumulation of clandestine weapons, weapons‐grade materials or some other military capability. The paths constitute the illegal strategies of a sovereign State in a two‐person inspection game played against a multi‐ or international Inspectorate charged with compliance verification. The effectiveness of existing or postulated verification measures is quantified in terms of the Inspectorate's expected utility at Nash equilibrium. A prototype software implementation of the methodology and a case study are presented. © 2016 Wiley Periodicals, Inc. Naval Research Logistics 63: 260–271, 2016 相似文献