查询词典 probability distribution

The Gumbel-Hougaard Copula was employed to construct a bivariate joint probability distribution for describing flood peak and flood volume, whose marginal distributions are both the Pearson type Ⅲ.

利用Cumbel-Hougaard Copula构造边缘分布为PⅢ型分布的两变量联合分布，用以描述洪峰和洪量。

These results reveal that, as an intrinsic property of the wave function of atoms, the angle of the probability distribution of the angular two-electron density is approximately equal to the bond angle of the molecular which usually can be explained by the hybridization theory.

结果显示，作为原子波函数的内禀性质，双电子密度最可几角分布的角度与通常由分子杂化轨道理论解释的相关原子的分子的结合键角近似相等。

Shot ; cannon ; generalized probability distribution ; conditional expectation

射击；火炮；广义概率分布；条件期望

The probability distribution function G of particle number N^＋ is deduced on the basis of the Canonical partition function Z of an ideal Fermi gas（ The orbital motion of the fermi- ons is not considered） in weak magnetic field.

根据弱磁场中理想费米气体的正则配分函数Z，导出粒子数N＋的几率分布函数G。

The generalized central limit theorem shows that these heavy-tailed fluctuations accumulate to a stable probability distribution.

如果尾不是太厚，则方差是有限的，且我们可以找到常见的正态极限分布，即稳定分布一种特殊情况。

The modified double weight function method is to introduce new weight functions doing subtraction between two negative exponential-type functions. For a Pearson type three probability distribution, the MDWF is able to make estimations of the Standard Deviation and Coefficient of Skewness C(subscript S from the second-order weighted central moments reduced to the first-order weighted central moment estimations.

修改的双权函数法是将两个负指数型函数之差所构成的函数类取作权函数，对于皮尔逊Ⅲ型分布，它能使σ和Cs的估计由原权函数法的二阶加权中心矩降低为一阶加权中心矩估计。

In this paper, the probability distribution and spectrum characteristic of obliquity and multi-directionality wave forces are studied systemically by a 3-D hydraulic model test.

本文在物理模型试验的基础上，系统研究了斜向和多向不规则波波浪力的概率分布和频域特性。

And it also gives a method of determining rated parameters of circuit breaker opening time by probability distribution.

最后给出了基于概率分布确定断路器额定分闸时间参数的一种方法。

Applying partition of positive integers and Anzahl theorem of subgroups of classical groups, a class of authentication codes was obtained and all parameters of this scheme were computed. Simultaneously, supposing that the secret key was chosen according to the uniform probability distribution, security analysis of the scheme was given.

利用正整数的无序分拆及典型群子群的计数定理得到了一类认证码，计算出了全部参数，并给出了密钥等概率选取时的安全性分析。

In the framework of classical Newton mechanics, the equation of motion for the probability distribution is reversible.

在牛顿力学的框架下，几率分布的运动是可逆的。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。