查询词典 distribution function

The values obtained in thepresent study for the electron energy distribution function,drift velocity,ionizationcoefficient and attachment coefficient,etc.,are calculated and compared with theexperimental results reported in the literature,and the comparison is also carried outwith the values obtained from the two different types of fields.

应用Monte Carlo模拟法研究了氧气放电的电子参数，得到了在均匀电场中的电子能量分布、平均能量、漂移速度、电离系数、附着系数、迁移率及扩散系数随时间、电场强度的变化关系，并与文献上的实验结果进行了比较。

Two types of the mathematical models of Spatial Variogram are inferred based on the elliptic distribution function.

基于椭圆分布函数可导出两类空间变异函数的数学模型。

And the probability can be approximated by the empirical distribution function evaluated at , an estimator of is given by

概率 可以由经验分布函数在处求值而近似得到，对的估算由以下公式给出

A systematic introduction is given to a class of new high power goodness-of-fit test based on EDF (Empirical Distribution Function), which comes to be used in the last decade, and a study on the logistic structure and sample size modified method of this class of statistics is conducted.

系统介绍了近年来发展起来的一类以EDF统计量为基础的高效母体分布拟合优度检验方法，探讨了这类检验方法的逻辑结构和子样容量修正方式。

Random matrices; empirical spectral distribution function; Stieltjes transform; convergence rate; factor model; time series

基础科学，数学，概率论、数理统计随机矩阵；经验谱分布； Stieltjes变换；收敛速度；因子模型；时间序列

Technical analysis; AR-ARCH model; covariance inequality; Strong law of large numbers; Glivenko-Cantelli Lemma ; empirical distribution function; central limit theorem; dependence coefficients

基础科学，数学，概率论、数理统计技术分析； AR-ARCH模型；协方差不等式；强大数定律； Glivenko-Cantelli引理；经验分布函数；中心极限定理；相依系数

Equivalently, the distribution function of the exceedances can be approximated by .

同样地，超过的分布函数可以由近似得到。

In order to reduce error of Nu number at large Ra number and thermal diffusivity, we analyze truncation error of corresponding heat-transfer equation and introduce an adjusting parameter in the equilibrium distribution function.

针对一二阶精度模型在Ra数极高或热传导系数极大时，Nu数的计算与经验值相比出现较大偏差，分析LBM对应宏观热传导方程的截断误差后，在平衡分布函数中引进一个调节因子。

Based on expansion of ODF in series of Generalized Spherical Harmonics by Bunge, we design programming in Orientation Distribution Function for polycrystal which contained five thousands crystals based on increment arithmetic of Voronoi. Geometrical data information, ODF of every crystal in polycrysal are imported to Open Graphics Library to draw, that means we implement visualization of ODF for every crystal in polycrystal.

主要针对具有立方结构的多晶体材料，采用Bunge级数展开法模型计算取向分布函数的理论模型，利用C语言在VC++环境下对ODF值进行了计算，并以Voronoi增量算法为基础生成包含有5000个晶粒的多晶体材料各晶粒的几何数据信息，与计算得到的ODF值一起导入OpenGL进行可视化处理，直观显示了多晶体材料中ODF值在各晶粒内的分布。

In view of trust region algorithm has good global convergence for solving non-linear quadratic programming problem,the effective elastic module s damage factor and the damage distribution function is introduced by FEM updating .

鉴于信赖域算法在求解非线性二次规划问题中具有良好的全局收敛特性，同时结合有限元模型修正技术，引入有效弹性模量损伤因子和损伤分布函数的概念，在Matlab编程环境下调用ANSYS有限元程序中的APDL语言进行桥梁空间结构的有限元建模，利用信赖域算法调整局部单元的参数，通过连续损伤分布插值多项式拟合连续区段各单元的损伤分布曲线，进而实现了对连续梁桥的动力损伤识别。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。