查询词典 ergodicity

Chaotic mappings have the features of initial-value sensitivity, ergodicity and randomicity, and are greatly fit for information encryption.

混沌映射具有初值敏感性、遍历性和伪随机性的特点，很适合用于信息加密。

From the ergodicity and the regularity of chaotic behavior,it is conclude that the algorithm has the asymptotical convergence property.

基于变分不等式的等价形式，构造了一种混沌搜索算法来直接求解变分不等式问题，根据混沌行为的遍历性和规则性，可以得到算法的渐进收敛性。数值试验结果表明，该算法是一个有效的方法

Particle swarm optimization algorithm has been developed recently, which is suitable for solving continuous problem, but its lack of ergodicity impairs the algorithm global search property.

新近发展的粒子群优化算法，基于群智能机理，适于求解连续问题，但它不具备遍历特性，影响了全局搜索能力。

Let P be a Markov operator in, and Q any ergodic Markov operator possessing finite invariant measure. In this note a simple and direct proof of the equivalence of the mixing property for Q and the ergodicity for Cardesian product PQ is given.

设P是L上的Markov算子，Q是任一具有有限不变测度并且遍历的Markov算子，在这篇注记中我们给出了P的混和性和Cartesian积P×Q的遍历性相互等价这一结果的直接而简单的证明。

Finally, according to the various properties of the optimization algorithms, the optimization algorithms have been applied to predicting the silicon content of hot metal and to optimizing the operation parameters of the blast furnace to meet the need of the higher hot metal output and the lower coke rate. Major research work in this paper includes:(1) Based on the study of the statistic property of the Logistic chaos map, the author has proposed the nested intervals chaos search method which improves the ergodicity of the chaos search by searching the area once more where the probability distribution is small.

高炉炼铁生产是一个复杂的非线性过程，高炉生产操作参数的优化涉及优化模型的建立、多目标优化、约束条件的检验等多个问题，对于这么一个复杂的优化问题，传统、单一的优化方法已存在局限性，因此本文研究了两种新型的具有不同特点的优化方法：基于混沌理论的优化方法和基于人工免疫理论的优化方法，并设计了几种混合优化方法。

I. on limited time segment, and the ergodicity and stationarity of the C. I. on T, M are studied. After that, a relationship between C. I. and gradient of objective function is revealed and a recurrence formula of C.

为此，我们首先定义了作为全文基础的双随机过程的相关积分，研究了集合平均上的相关积分，有限时间域上的相关积分和T.M区间上的相关积分及其各态历经性问题。

Our results show that the rate of correlation among the random variables of those output sequences are low although they are not independent; in addition, the output sequences of those combined generators are homogeneous Markov chains which are strictly stationary processes with ergodicity; the output sequences of those combined generators are also proved to summit to the strong law of large numbers and the central limit theorem; finally the computation formula of the rate of the accordance between the output sequences and input sequences of those combined generators is given.

我们的研究结论表明：虽然这些序列中随机变量之间不具有相互独立性，但它们的相关程度却比较低；证明了"停走"生成器，KM_1M_2型组合生成器和加法型组合生成器的概率模型输出序列都是强平稳的和遍历的齐次马氏链；讨论了这些序列的概率极限性质，证明了它们均服从强大数定律和中心极限定理；还分别给出了各类生成器的输出序列与输入序列之间的符合率的计算公式。

In this chapter, not only Extensed ACD Model, which took higher-order moments、 strict stationarity、 geometric ergodicity and a-mixing property with exponential decay as its sufficient and included most of the present forms of ACD Models was expounded, Box-Cox transformation was carried out by figurate the parameter of ?

尽管关于ACD的实证研究已经十分丰富，却很少有人把注意力放在条件期间模型设定的测试上，本章探讨了关于ACD模型统计性质研究的最新成果，并研究采用两步法来测试条件期间模型的误差项的分布，第一步包括通过QML估计条件期间过程，以获得误差的一致估计；第二步衡量基准密度的参数和非参数估计与残差的风险率函数之间的紧密度。

Through the decomposition of network operation behavior and the data mining of various data,forms the most basic smallest unit of network operation behavior（DNA of network action description）,uses the Teiresias evolution algorithm to carry on the overall situation ergodicity combination to produce the new description language.

通过对网络操作行为的分解和对各种数据的挖掘，形成最基本最小的网络行为语言描述单元，再使用Teiresias进化算法对其进行全局遍历性的组合，计算产生新的描述语言，进行可行性判断后，对可行的结果进行规则匹配并进行风险评估，产生新的防御规则，从而达到入侵防御系统规则库完备的目的。

Analyzes the stochastic ergodicity and sensitivity of initial value of chaos model, proposes the chaos pseudo parallel genetic algorithm based on multiple populations.

摘要剖析了混沌模型的随机性、遍历性和初值敏感性的特点，提出了多种群伪并行混沌遗传算法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。