查询词典 homogeneous markov chain

The Markov forecast model, time series method (triple exponential smoothing method and a combined of triple exponential smoothing method and Markov model) and stepwise regression forecast method were choosed, and the basic principles and processes of the three models were analyzed and compared. Based on above, the three methods were used to predict population dynamic of Cricetulus barabansis and Meriones unguiculatus. The characteristic, accuracy and applicability of three methods were analysed and compared. The results showed that,(1) Markov model belongs to a middle-long time forecast model, and the result was interval forecast, but it reached the requirement of forecasting the harmful population dynamic of rodents. Through the forecasted population dynamic of Cricetulus barabansis and Meriones unguiculatus in 2004, the results were accurate; this meant that Markov model was a good forecast model to Cricetulus barabansis and Meriones unguiculatus population.

选择马尔可夫链预测模型、时间序列分析法(三次指数平滑法、三次指数平滑法和马尔可夫链预测模型的组合预测法)和逐步回归预测法，对这三种模型的基本原理、模型的构建过程进行对比分析，在此基础上用此三种方法预测了黑线仓鼠和长爪沙鼠的种群数量，并对三种方法的特点、预测的准确度和适用范围进行了比较分析，结果表明：(1)马尔可夫链预测模型属于中长期预测，预测的结果为区间预测，但对于害鼠种群数量的预测来说已经达到要求，通过对2004年黑线仓鼠和长爪沙鼠种群数量的预测，预测的结果都比较准确，这说明对于预测黑线仓鼠和长爪沙鼠种群的数量动态，马尔可夫链模型是比较好的模型。

Firstly,based on the B.Bowermans result about the rate of convergence in Cesaro sense of certain nonhomogeneous Markov chains which the transition matrices converge,we are to study a certain nonhomogenous Markov chains which the transition matrices average converge to a period strongly ergodic stochastic matrice,and control the average convergenc rate of transition matrices,then we get the rate of convergence in Cesaro sense about the nonhomogeneous Markov chains by used the character of norm and the character of nonhomogeneous Markov chains.It is an extension of a B.

首先在B.Bowerman等人研究转移矩阵列收敛的一类非齐次马氏链，其Cesaro平均收敛的收敛速度基础上，研究转移矩阵列平均收敛到一周期强遍历随机矩阵的一类非齐次马氏链，通过控制转移矩阵列平均收敛的收敛速度，利用矩阵范数的性质、非齐次马氏链的相关性质等，得到该非齐次马氏链转移矩阵Cesaro平均收敛的收敛速度，是B。

In this paper, we discuss the convergence rates of two important Markov chains-maximal irreducible Markov chain and minimal irreducible Markov chain-used in web search algorithms.

本文讨论了万维网搜索算法中使用的两个重要的马氏链－maximal不可约马氏链和minimal不可约马氏链－收敛到平稳分布的收敛速度。

We discuss the convergence rates of two important Markov chains-maximal irreducible Markov chain and minimal irreducible Markov chain-used in web search algorithms.

本文讨论了万维网搜索算法中使用的两个重要的马氏链-maximal 不可约马氏链和minimal 不可约马氏链-收敛到平稳分布的收敛速度。

The uniformization embeded Markov chain is used to study the sensitivity of a continuos-time Markov process. It is proved that sensitivity estimators provided by the embeded Markov chain have less variance.

提出了用一致化嵌入马氏链来研究连续时间马氏过程的灵敏度分析方法，证明了用嵌入马氏链不仅实现简单而且还可以减小灵敏度估计量的方差。

We use the transitional probability of two states nonhomogeneous continuous time Markov chain to build the novel transitional model. When we extend the simple model to more complicated ones such as nonhomogeneous Poisson process, we can extend the homogeneous continuous time Markov chain to nonhomogeneous one at the same time.

我们用二状态非齐性连续时间马可夫鍊的转移机率来建构新的递移模型，当将简单的模型扩展到复杂的模型，例如N服从非齐性不瓦松过程，同时，可以从齐一性连续时间马可夫鍊延伸到非齐性连续时间马可夫鍊。

And also,the Holder"s, Minkowski"s,Young-type inequalities and four interpolation theorems,which are hold on the Lebesgue spaces,are established on the homogeneous Morrey-Herz spaces MK_~ and the weak homogeneous Morrey-Herz spaces WMK_~.These results on the cor-responding homogeneous Herz space K_q~and the weak homogeneous Herz spaces WK_q~are also new.

同时把Lebesgue空间上成立的Holder、Minkowski、Young不等式以及四个插值定理推广到了齐次Morrey-Herz空间及弱Morrey-Herz空间WMK_~上，而这些结果在相应的齐次Herz空间K_q~和弱齐次Herz空间WK_q~上也是新的。

It is proved by means of homogeneous finite Markov chain analysis that NS-LDSE is convergent to the global optimum for any chosen initial population. Meanwhile, the convergence speed of NS-LDSE is estimated by means of Markov stopping time.

利用随机过程的相关理论，本文讨论了LDSE算法的收敛性，证明了NS-LDSE所生成的种群Markov序列收敛于最优种群，且与初始种群的选取无关；同时给出其种群Markov序列首达时间的一个上界估计。

To aim at the differences in the ingredients which should be considered when different cooperative partners are chosen in virtual supply chain, the evaluation index system of upstream cooperative partner, downstream cooperative partner and logistics enterprise in networked virtual supply chain are established. Based on the differences of constructive technologies of traditional supply chain, the cooperative partner selection mode of networked virtual supply chain is established. The application of AHP in cooperative partner selection of virtual supply chain is researched. The dynamic construction mechanism of networked virtual supply chain is put forward to deal with all kinds of exceptions in the supply chain execution.

之后，针对在选择虚拟供应链上的不同合作伙伴过程中考虑因素的不同，分别建立了网络化制造环境下虚拟供应链上游合作伙伴的评价指标体系、下游合作伙伴的评价指标体系和物流企业的评价指标体系；比较分析了传统供应链的组建技术，建立了网络化虚拟供应链的合作伙伴选择过程模型，并具体研究了层次分析法在虚拟供应链合作伙伴选择中的应用；提出了网络化虚拟供应链的动态组建机制，以应对虚拟供应链运行过程出现的各种例外情况。

The application of EC (E-Supply Chain) electronic supply chain based on the integration of Internet economy and supply chain have changed the stability and the incidence of supply chain, and also changed the sequential information transmission way of traditional supply chain, and provide the basis for the more dynamic and extensive networks relationship of supply chain, and consequently make many enterprises enter into the supply chain alliance with lower cost.

这种基于Internet的经济平台与供应链集成在一起的EC(E-Supply Chain)电子供应链的应用改变了供应链的稳定性和影响范围，也改变了传统的供应链上信息逐级传递的方式，为创建更为动态、广泛的供应链网络关系提供了基础，使许多企业能以较低的成本加入到供应链联盟中。

Green function defined inphase space differs from one in coordinate space by its struc-ture which exhibits nonlocatity in coordinates and oscillatorybehavior with respect to momenta.

在相空间中定义的Green函数不同于通常坐标空间的Green函数，在结构上显示出对坐标的高度非局域性，而对动量则显示出振荡行为。

The upper front part of a saddle;a saddlebow.

前鞍桥马鞍前面的上部分；前鞍桥