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The paper gives a solution of the random differential equation with random coefficient,that is (?)(t) K~2(t)x(t)=-εf(x,t),where K(t)is a random process and ε is adamp coefficient,it is a little parameter. 相似文献
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In this paper,the concept of the infinitesimal realization factor is extended to the parameter-dependent performance functions in closed queueing networks. Then the concepts of realization matrix (its elements are called realization factors) and performance potential are introduced,and the relations between infinitesimal realization factors and these two quantities are discussed. This provides a united framework for both IPA and non IPA approaches. Finally,another physical meaning of the service rate is given. 相似文献
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M/G/1排队系统的性能灵敏度分析 总被引:4,自引:0,他引:4
非Markov型排除系统经常被用来作为某些实际工程问题(如通讯网络)的研究模型,对于一般的M/G/1排队系统,本文通过研究其嵌入Markov链,讨论了系统的稳态性能灵敏度分析问题,并给出用嵌入Markov链的势能表示的稳态性能灵敏度公式,由于嵌入Markov链要比描述其系统状态的半Markov过程简单得多,故本文的结果对M/G/1排队系统的性能灵敏度仿真计算及系统的优化,都将带来极大的方便。 相似文献
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The paper gives a solution of the random differential equation with random coefficient, that is
, where K (t) is a random process and is a damp coefficient, it is a little parameter. 相似文献
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