查询词典 discrete distribution

In accordance with discrete, non-symmetry and time-delay feedback neural networks, we provide some theoretical criteria to judge the stability for designing the networks. On continuous feedback networks, we built an algorithm to estimate the convergence region. On the HNN feedback networks, an effective optimization algorithm based on the annealing strategy and the chaotic neural network is presented, and some disciplinary conclusions are provided to guide the selection of parameters. Simulation results on benchmark problems demonstrate that the performances of our algorithm are distinctly superior to those of the classic HNN based on gradient descend and stochastic optimization methods based on probabilistic distribution.

针对离散、非对称和时延等三种类型的动态反馈网络，给出了可用于网络设计的稳定性判别准则；针对连续动态反馈网络，建立了其收敛域估计的一个算法；针对以HNN模型描述的动态反馈网络，基于退火策略和混沌神经网络提出了一种高效的优化算法，建立了可用于指导参数选择的一些规律性结论，对典型算例的仿真研究显示，改进算法在各类性能上相对基于梯度下降的传统HNN模型和基于概率分布的随机优化算法，具有明显的优越性。

The characteristic function of the probability density function of response variable is obtained by the high efficient multidimensional numerical integration method or convolution integral based on response surface method. Then the discrete probability density function of response variable is calculated using the fast Fourier inverse transform technique, at last the cumulative distribution function of the response variable can be quantitatively determined.

首先利用高效多维数值积分方法或基于响应面法的卷积积分求解功能函数的分布函数的特征函数，也就是进行Fourier正变换；然后利用快速Fourier逆变换数值求解功能函数的概率密度函数，进而求得失效概率。

Chart -- A discrete control chart. Based on the binomial distribution, fraction defective, p, is the ratio of the number of defective items, x, in a sample of size n.

图 --一种基于二项式分布的计数值控制图，它反映的是有缺陷产品的比率。P就是样本容量为n时，有缺陷产品x的比率。

The model Boltzmann equation s, which are derived from the transformations of reduced distribution function and discrete velocity ordinate together, are solved through using an implicit flux-corrected second-order upwind TVD scheme.

模型 Boltzmann方程先后经简化分布函数和离散速度坐标变换后，采用一个隐式通量修正二阶迎风TVD格式差分求解。

These time and geographical distribution of discrete disasters brought to the emergency rescue very difficult.

这些时间和地域上离散分布的灾难，给应急救援带来了很大困难。

And this paper built a simulation model of distribution system with discrete requirement through computer simulation software.

通过计算机仿真，文章对离散需求的分销系统进行了模拟，并将结果与凸规划模型进行了比较，结果证明，凸规划模型在离散需求情况下也是基本适用的。

The number of packet s generated by users in a segment of time is a discrete random variable whose distribution varies with situation.

在一个时段内用户产生的信息包数是一个离散的随机变量，对于不同的情况该随机变量有不同的分布。

The Toolbox too frequency analysis of a kind of important transformation, discrete time-frequency distribution of the toolkit,...

该工具箱为时频分析中的一类重要变换，离散时频分布的工具箱，其中提供基本算法的程序。

The paper gives two groups of the elementary probability distribution on the discrete and continuous address spaces.

论文给出关于离散与连续地址空间的两组基本概率分布。

The number of packets generated by users in a segment of time is a discrete random variable whose distribution varies with situation.

在一个时段内用户产生的信息包数是一个离散的随机变量，对于不同的情况该随机变量有不同的分布。

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。