查询词典 stable distribution

In chapter five, let {Xt,i 1} be ρ-mixing sequences with identical distributions, which belong to domain of normal attraction with non-generational and stable distribution. With probability one, we havelimsup a.s.

第五章，设｛X_n，n≥1｝是同分布ρ-混合序列，其分布属于特征指数为α(0＜α＜2)的非退化稳定分布的正则吸引场，证明了依概率1有

Highly efficient and stable method of parameter estimation is built. The fitting degree of extensive extreme value distribution and the extremeⅠ,Ⅱ,Ⅲtype distribution was compared, among which the optimal distribution type are researched.

针对极大似然法参数估计的失效问题，将逐步迭代法推广应用于广义极值分布，建立了参数估计的高效稳定算法，并比较广义极值分布与极值Ⅰ、Ⅱ、Ⅲ型分布的拟合度，研究平均风速的最优分布类型。

By using the generalized central limit theorem, the heavy-tailed distributions (heavy-tailed Rayleigh distribution for amplitude image and heavy-tailed exponential distribution for intensity image) are obtained from the symmetric stable distributions of real and imaginary parts of echoes. Taking the heavy-tailed Rayleigh distribution as an example, the algebraic tails of heavy-tailed distributions are explained as well as the statistics of sharp peak and heavy tail.

本文使用广义中心极限定理，由雷达回波的实部和虚部的对称稳定分布，得到SAR图像的拖尾分布（幅值图像的拖尾Rayleigh分布以及强度图像的拖尾指数分布），并以拖尾Rayleigh分布为例，讨论了拖尾分布的代数拖尾特征以及尖峰厚尾的统计特性。

It is found that the feasible time-varying route flows is a irreducible non-periodic homogeneous Markov process in the M-multiple traffic state space and deal with the alongrithm of the stable distribution and average value introduced.

由于动态用户选择行为受到路网需求、网络结构、交通状态信息、个体经验和心理差异等多种因素的影响，在这种不断变化的交通环境和不完备情报的条件下，由用户选择行为导致的交通状态演变，本质上是一随机过程。

The main contents and results are as follows:Firstly, the basic theories of univariate stable distribution and multivariate stabledistributions are introduced.

主要研究内容如下：首先，介绍了一元稳定分布以及多元稳定分布基本理论。

But being a statistical model, Alpha stable distribution has its characteristic.

但是，作为一种统计模型，α-稳定分布具有其自身的特性。

Two kinds of filtering algorithms based on the linear theory of alpha-stable distribution and the theory of maximum likelihood estimation are developed respectively.

以alpha稳定分布的线性理论和参数的最大似然估计理论为基础，发展形成了线性滤波和非线性滤波两大类算法。

Using R/S analysis, we estimated Hurst Exponent to characterize the long term persistence. Also by analyzing the scaling behavior of zero probability, we estimated self-similar coefficient of Levy stable distribution.

我们使用R/S分析估计了长程相关的特征量赫斯特指数，并通过0概率的标度行为估计了列维稳定分布的自相似参数。

In general, the distribution of stable carbon and nitrogen isotopes revealed the mixing inputs of terrigenous and marine organic matter controlled the stable carbon and nitrogen isotope compositions in sedimentary organic matter. However, a series of physical, chemical and biogeochemical processes occurring in the local environments had also the significant influence on the stable carbon and nitrogen isotope compositions in organic matter.

研究区域内，稳定碳、氮同位素的地区分布和季节变化特征揭示，有机质中稳定碳、氮同位素组成不仅受陆源和海源有机质输入量之间消长变化的影响，同时一系列的生物地球化学过程、人为有机质的输入和沉积物粒度与叶绿素含量对碳、氮同位素组成均存在一定的改造作用。

The crystal powder dolomite reservoir of Layer Jia22 B and micrite-crystal powder dolomite reservoir of Sub-member Jia21 are the principal fluid producing formation in Moxi Structure of the Central Sichuan Basin and have the favorable physical property and stable distribution in plane.

摘要嘉二2B层的粉晶云岩储层和嘉二1亚段的泥晶—泥粉晶云岩储层是川中磨溪构造嘉二段气藏的主力产层，物性较好，且平面上分布稳定，但测试成果显示，其产能相差甚远。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。