查询词典 distribution parameter

Combining NA samples the EB estimation with convergence rates is also obtained; Thirdly, for one-parameter exponential distribution family, we give the parameters' EB estimator that is admissible and asymptotically optimal with convergence rates. Finally, Bayesian and hierarchical Bayesian approaches are applied to analyze the reliability performances for series system with cold standby units and the numerical simulation results show that multiple Bayes estimator is superior to Bayes estimator.

其次，针对一类双边截断分布族，在非对称linex损失下构造了经验Bayes决策函数，建立了它的收敛速度，给出了渐近最优的证明；并结合NA样本研究了参数的经验Bayes估计及其收敛速度；接着给出了指数族参数的经验Bayes估计，证明了它是渐近最优的，也是可容许的，同时也获得了该EB估计的收敛速度；最后，运用Bayes与多层Bayes方法研究了具有冷贮备部件串联系统的可靠性指标的估计，并给出了数值模拟结果，结果表明多层Bayes估计优于Bayes估计。

Finally, the Fiducial inference for the parameter's functions of exponential distribution based on the type Ⅱ censoring observations is given. Simulation study shows that the Fiducial inference is quite accurate.

本文最后还讨论了指数分布在定时截尾情形下参数函数的Fiducial推断问题；并进行了模拟研究，结果表明推断精度很高。

We introduce a method of statistic based on generalised extreme value distribution in the estimation of WCET, and proposed a statistical module of WCET and the methods of parameter estimation and checkout for the module, then derive the value of the program\\\s Worst-Case Execution Time by using the module.

在WCET的估计中，引入了基于广义极值分布的统计方法，给出WCET的统计模型及其参数估计和验证方法，并应用本模型导出了程序的最坏情况执行时间。

With the numerical simulation, the distribution of temperature field in adsorbent bed was got by applying Fluent software and the relation between temperature field and each parameter was analyzed.

建立了吸附床几何模型和数学模型，通过Fluent软件数值模拟得到床层温度分布的变化情况，并深入分析床层参数变化对床层温度分布的影响。

It is found from the analytical expression that the truncation parameter, which is defined as the ratio between the waist of the Gaussian beam and the radius of the lens, has an important effect on the diffraction field distribution of the lens.

应用这个表达式研究了截断参数（透镜的半径与高斯光束束腰半径的比值）对透镜衍射场分布的影响。

In this paper,the research on the parameter estimation of Gamma distribution with three parameters and the test of the location parameters has been made.

该文考虑了混合分布为三参数伽玛分布时的参数估计以及位置参数的检验问题。

The first level of verification used the characteristic parameter technique, and also proposed an on-line signature verification algorithm based on the one dimensional Gauss probability distribution model.

以前面已经分割形成的曲线段为动态匹配对象，可以实现参考模板与测试签名之间曲线段的"一对一"或者"一对多"的动态匹配。

The two important parameters, lining pressure distribution and non-dimensional geometric parameter, are investigated.

论文对影响湿式多片制动器工作性能的重要参数——衬片压力分布规律和无因次结构参数进行了理论研究。

In this study the cumulative meta-analysis method was used for ecology study first time and non-parameter effect size was suggested when parametric effect size violates the hypothesis of normal distribution of population and homogeneity of variances.

本研究在对整合分析方法详细阐述的基础上，首次利用该方法进行了全球变化生态学中关于大气平流层臭氧损耗所导致的紫外B区辐射增加对陆地植物生态系统影响的专题的系统研究。

This article first discusses the significance of homogeneity of variance, then studies the general method of transformation for homogeneity of variance on the relation between the data mean and the variance when population distribution is known ,and it uses the Mathematica software to analyse the variety rules between the parameter and the variance in the corresponding transformation.

从方差非齐性数据处理中的变换的必要性入手，根据数据均值与方差之间的关系研究了总体分布已知时的方差齐性变换的一般方法，并利用Mathematica软件分析相应变换中参数与方差之间的图形规律，最后介绍了总体分布未知时的BoxCox变换的一般原理。

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。