查询词典 truncated distribution

In the case of NA samples, the parameter for scale exponential family is discussed using empi- rical Bayes methods. Moreover, we investigate the statistical analysis of life data in reliability tests. Firstly, based on the LINEX loss function, we obtain the empirical Bayesian estimator for parameter of the one-side truncated-type distribution families and the scale exponential family under NA samples, also discuss the estimators?

在非对称的LINEX损失函数下，我们首先给出了一类单边截断型分布族、刻度指数族参数的经验Bayes估计NA样本情形），并讨论了该估计的收敛性质，在某些条件下，证明了本文给出的经验Bayes估计是渐近最优的，且给出了收敛速度。

For instance, if the life distribution of a certain kind of product is unaware, we stochastically choose products to do the time-truncated reliability test.

在Bayes方法中，提出了R的先验分布的构造方法——增函数法，并给出了在无失效数据问题中的应用。

The truncated normal distribution is used to describe the bounded random variables, such as the hydrostatic load, thickness of web and thickness of flange.

采用截尾正态分布主梁可靠度分析中的随机变量（闸门水荷载及主梁的腹板及翼缘的厚度等）。

Then, on the basis of considerable amounts of numerical tests and statistical analysis for truncated generations, the distribution law is revealed with an example of float type genetic algorithms utilized frequently in engineering optimization.

然后，以工程优化中常用的浮点型遗传算法为例，通过大量的数值试验和统计分析揭示了遗传算法进化截止代数分布的规律。

Therefore,a stress-strength interference model for the reliability calculation of rock mass under two-end truncated probability distribution was proposed with the help of distribution theories.

为此，借助理论分布，提出了两端截尾概率分布下围岩可靠度计算的应力—强度干涉模型。

Stability probability; the uncertainty of load model; truncated normal distribution; Gram-Charlier progression.

稳定性概率；动态安全域；负荷模型不确定性；截断正态分布；Gram-Charlier级数。

By analyzing and determining the annual probability distribution parameters in simplified double wave model for annual dry bulb temperature ,this paper creates the truncated normal distribution model to make the application more precise.

通过对全年干球温度概率分布的双波简化模型中的分布参数的分析和确定，建立了全年干球温度的截尾正态分布模型，使该模型可更为方便准确地应用于暖通空调与建筑节能的设计和分析

The average truncated generations"and"the distribution entropy of truncated generationsare used to evaluate the optimization efficiency of NGA.

同时，由于以其所具有的本质并行性、随机性及自适应性等特征，使其被认为是求解非线性现象和复杂系统问题的重要方法之一。

Based on percolation theory , truncated Weibull distribution is used as the pore throat distribution function, a two phase and 3 dimensional quasi-static network model is established to simulate the primary oil displacement and secondary water flooding of reservoir cores.

结合逾渗理论，采用截断威布尔分布作为孔喉特征分布函数，模拟储层岩心的初次油驱过程和二次水驱过程，建立了油水两相三维准静态孔隙网络模型；通过模型计算与试验结果的对比，验证了孔隙网络模型的有效性。

Multiple antenna arrays are often used to overcome the effect of channel fading which is caused by multipath interference. In chapters 4 and 5 ,we derive spatial correlation equations of ULA ,UCA and CRA for two types of angular spread distributions (uniform distribution and truncated Gaussian distribution).We also compare the difference between these antenna arrays by showing the bit error rate simulation results and discuss the relationship between BER and spatial correlation. In a multi-user mobile radio environment , we present simulation results to show that adaptive MBER algorithms have better performance than the traditional MMSE algorithm.

多天线阵列常被用来克服多重路径干扰导致通道衰减的影响，我们对各种天线阵列架构进行比较，在第四、五章中推导出ULA、UCA与CRA个别对两种角度扩散机率密度分布的空间相关性函数，由实际实验模拟的位元错误率图形比较天线阵列间的差异，并讨论位元错误率与空间相关性之关连，在多用户端行动通讯环境下，我们也由模拟验证可适性MBER演算法，会比传统MMSE准则有更好的效果。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。