查询词典 stochastic dynamic programming

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。

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 stochastic Bonhoeffer-Van der Pol system is first transformed into an equivalent deterministic system using the Chebyshev polynomial approximation, so that the problem of controlling stochastic chaos is reduced to the problem of controlling deterministic chaos in the equivalent system.

首先运用Chebyshev多项式逼近的方法，将随机Bonhoeffer-Van der Pol系统转化为等价的确定性系统，使原系统的随机混沌控制问题转换为等价的确定性系统的确定性混沌控制问题，继而可用Lyapunov指数指标来研究等价确定性系统的确定性混沌现象和控制问题。数值结果表明，随机Bonhoeffer-Van der Pol系统的随机混沌现象与相应的确定性Bonhoeffer-Van der Pol系统极为相似。

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。

A class of affine nonlinear system of single input-single output is investigated. Firstly, the nonlinear system is transformed into an equivalent linear system through a diffeomorphism transformation. The networked control problems for the delays are constant, stochastic and shorter than a sampling period, and long and stochastic are investigated respectively.

针对一类单输入-单输出仿射非线性系统，首先通过微分同胚变换实现了仿射非线性系统的无反馈精确线性化；然后基于精确化线性模型，分别讨论网络延时为常时滞，随机时滞小于一个采样周期和随机长时滞情况的控制问题。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。