查询词典 distribution parameter

All of particles complies with Gaussian distribution, meanwhile calculates particle numbers According to mass percentage, and selects parameter of particle and wall. The gradation of Bailey method about the maximum nominal particle diameter 16 mm is simulated by PFC2D, such as CA0.2, CA0.4, CA0.5, CA0.6, CA0.8. Determine moveability of asphalt mixture through rolling distance of accumulation particle it's when asphalt mixture is stable at the gravitation. Computer simulation result is identical to testing result.

首次采用PFC2D程序的线性接触刚度模型，选取颗粒和墙体参数，按设计质量的百分比换算成颗粒数量，按照高斯分布规律排列颗粒构成，对贝雷法设计的公称最大粒径为16mm的级配CA0.2、CA0.4、CA0.5、CA0.6、CA0.8进行堆积模拟，在重力作用下形成自然堆积，测定混合料基本稳定时的滚动距离来判断混合料的分离程度，得到结果与离析势能指数的测定结果完全一致。

For noncentrality parameter matrix in noncentral wishart distribution, based on usual unbiased estimator, a series of pre-test estimators are obtained.

1对于非中心Wishart分布的非中心参数矩阵，本文基于通常的无偏估计给出了一系列的预检验估计。

Theorem2.1 Let EXXT is invertible , then a, b, are consistent estimation, that is to say Theorem3.2 Estimation of a is a = 1,, where x2(n - p - 1,) is noncentral x2-distribution, n - p - 1 is degrees of freedom, is noncentrality parameter.

变换下回归模型的似然估计第二节对于特殊的模型，即考虑了线性变换给出了极大似然估计的显示解，即第三节是对第二节的补充，考虑了极大似然估计的条件分布，得出主要结果如下

METHODS: Construct proper accumulation normal distribution function form and fit with our experimental data, then compare with the common 4-parameter equation fitting.

构建累积正态分布函数的适当表达形式，对作者实验室所获得的实例数据进行拟合，同时与常用的四参数方程拟合进行比较。

METHODS Construct proper accumulation normal distribution function form and fit with our experimental data,then compare with the common 4-parameter equation fitting.

方法构建累积正态分布函数的适当表达形式，对实验所得数据进行拟合，同时与常用的四参数方程拟合进行比较。

The validity of simulation results were tested by experiments. Through statistical analysis, the parameter (μ,σ2) of normal distribution function of the maximum load, and tested uniformity of the normal population and the sample were obtained.

在此基础上，随机生成200个典型海底地形，对采矿头截齿最大载荷的分布特性进行研究；应用置信度为0.95的柯尔莫哥洛夫斯米尔诺夫(Kolmogorov-Smirnov)检验验证参数估计所得的正态总体与样本数据的一致性。

Especially, the Hill coefficient is considered not any physiological meanings in the mathematics model usually used in fitting pharmacodynamics S dose-effect curve, but the analogous parameter in the accumulation normal distribution function has definite physiological meanings, and indicate the relationship between pharmacology and pharmacodynamics.

特别地，在常用于药效学S型剂量效应曲线拟合的数学模型中，其Hill系数被认为没有任何生理学含义，而累积正态分布函数中的相应参数却有明确的生理学含义，从数学上体现了药理与药效的内在联系。

So,the distribution of stable and unstableregions can be explicitly shown in the control parameter space.

由此，所有横截模矢的稳定区域的公共部分正好对应于耦合系统的同步区域。

The distribution pattern of ten Tsuga tchekiangensis populations in the Mang Mountain were analyzed by the variance/mean ratio method,and their aggregated intensities were were measured by using the following indices:negative binomial parameter,dispersal index,clumping index,crowing mean index and patchiness index.

采用方差/均值比率法对10个南方铁杉种群的分布格局类型进行了分析，同时，采用负二项式参数、扩散性指数、丛生指数、平均拥挤度指数和聚块性指数计测这些种群的空间聚集强度。

According to the principle and character of genetic algorithm,which asks for best in this arithmetic,the method adopting genetic algorithm to estimate statistic parameter of Pearson Ⅲ distribution was put forward.

方法依据遗传算法全局寻优的原理与特点，提出采用遗传算法对皮尔逊-Ⅲ型分布的统计参数进行估计的方法。

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。