查询词典 stochastic approximation

Secondly, we consider stochastic LQ optimal control problem driven by Lévy processes and Brownian motion. By applying the -Lévy formula, Gronwall's inequality, Young's inequality and Cauchy-Schwarz inequality, we obtain the closeness property of the solution of multi-dimensional backward stochastic Riccati differential equations.

第二部分首先研究由布朗运动和Lévy过程共同驱动的随机LQ最优控制问题，接着利用-Lévy公式、Gronwall不等式、Young不等式及Cauchy-Schwarz不等式证明多维倒向随机Riccati微分方程适应解的闭性质，并利用此性质证明一维BSRDE解的存在唯一性。

Then combined with reliability computation,the stochastic finite element method is used to establish the relationship between the load effect and basic stochastic variable dealing with statistical features of variables.

可靠度分析是基于各种资料、数据的概率统计分析，在设计中用概率的方法定量地考虑了这些不确定因素，并用严格的概率来求得结构的可靠度指标。

A virtual stochastic process is constructed so that the basic random variable becomes the value of the stochastic process at certain instants of time.

在此方法中，构造一个与基本随机变量相关的虚拟随机过程，使得基本随机变量成为该随机过程的截口随机变量。

The topics covered include: cooperative stochastic games; noncooperative stochastic games; sequencing games; games arising form linear infinite programming problems; network formation, costs and potential games; potentials and consistency in transferable utility games; the nucleolus and equilibrium prices; population uncertainty and equilibrium selection; cost sharing; centrality in social networks; extreme points of the core; equilibrium sets of bimatrix games; game theory and the market; and transfer procedures for nontransferable utility games.

包括的题目包括︰合作的随机的比赛； noncooperative随机的比赛；排序比赛；出现的比赛形成线的无限的编程问题；网路阵式，费用和潜在的比赛；用可转让的效用游戏的潜能和一致；核仁和均衡价格；人口不确定和均衡选择；费用分享；在社群网里的centrality；核心的极端点；均衡bimatrix 比赛；运筹学和市场；并且转移不可过户的效用比赛的程式。

If the stochastic process {X,t∈R1} is transformed by a bounded Borel measurable function f, then we will obtain a new stochastic process which denotes by Y, namelyY=fX

如果该随机过程{X，t∈R1}被一有界Borel可测函数f变换，则得到新的随机过程，记为Y=fX

The stochastic channeling is the phenomenon of stochastic process which needs to be further studied.

随机沟流是有待进一步研究的随机过程现象。

In order to further reveal and distinguish the dynamics and changing regularity of the stochastic integer multiple spiking and the deterministic integer multiple spiking, the integer multiple spik-ing from the experiment, the stochastic Chay model, and the deterministic Wang model and their chang-ing regularity with respect to extra-cellular concentrations of Ca2+([Ca2+]o) or the reversal potential of Ca2+ in model were studied.

为进一步区分神经自发整数倍峰放电节律的随机性和确定性模式的动力学性质，详细研究了实验神经起步点、随机理论模型和确定性理论模型产生的3种整数倍峰放电节律及其变化规律。

The up useful stochastic order and the down useful stochastic order has the closure property of under convolution, and maximum and minimum of the random variable.

而且向上和向下一般随机序关于卷积、随机变量的极大和极小等具有封闭性。

The comparison between the power spectrum of the signals preceded and passed stochastic resonance implies that, the 3 level quantizer stochastic resonance is good for the detection of weak line spectrum buried in Gaussian mixture noise.

随机共振系统处理前后的功率谱对比表明，3-水平量化器随机共振是检测高斯混合分布中微弱线谱的有效手段。

The paper first introduces the basic principle of Karhunen-Loeve decomposition for stochastic processes, and outlines the essential properties of the decomposition. A method based on the Hartley orthogonal bases is proposed to decompose stochastic processes.

介绍了随机过程Karhunen-Loeve分解的基本原理，指出了其在随机过程展开中所具有的优势与局限性，针对Karhunen-Loeve分解在求解特征问题中存在的困难，采用Hartley正交基作为展开函数，发展了一类基于Hartley正交基的随机过程展开方法。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了