Spherical distribution

One of which is the mathematical model of non normal distribution of the particulate size, the other is a simple method estimated with the aid of a diagram modeling practical specimen.

探讨了描述焊接气溶胶粒子谱非正态型分布的数学模型，以及将实测样本模型化的简明方法—图估法；给出了其分布函数的表达式，根据极限粒径参数ｄｍ，又可分为Ａ型、Ｂ型和Ｒ型分布，但它们的标准差σ却具有完全相同的表达式。

Particulate groups in the form of non normal distribution are proved to exist in welding aerosols through processing the samples of practical determined welding particulate sizes.

通过实际焊接气溶胶粒子谱样品的处理，证实焊接气溶胶存在遵从非正态型分布的粒子群，图估法是处理这类分布简便、适用的方法。

Using normal distribution to identify oil layer and water layer in Qingxi complex reservoir;

应用正态分布法判别青西复杂油藏的油水层

The applied studies of normal distribution and lognormal distribution in the calculation of cefixime s bioequivalence;

正态分布和对数正态分布在头孢克肟生物等效性计算中的应用研究

Designing of SAS macro program for statistic form of measurement data on normal distribution;

正态分布定量指标统计分析报表的SAS宏程序

This paper assumes that the volume of the subsurface settlement troughs due to tunneling is equal to the ground loss and the shape of the troughs can still be represented by a Gaussian distribution .

假定由于隧道开挖在地表以下土层所形成的沉降槽的体积等于地层损失以及各土层沉降槽曲线仍可用正态分布函数表示。

This method uses statistics and adopts gaussian distribution model to analyze the key performance index.

该方法利用统计学分析,采用正态分布模型对“判决指标”的数值分布进行了数学分析,并结合指标的物理意义,对“准入条件”和“判决门限”作出了合理设置。

We also assume that the phase error on the aperture led by the random surface error obeys the Gaussian distribution with a zero mean,u.

分析过程中首先将反射面上某点的随机误差量定义为该点在标准反射面法线方向上的偏移量,并认为反射面上每一个小区域内的偏移量相同,然后在随机表面误差带来的口径相位误差服从均值为零的正态分布的条件下,推导了天线平均功率方向图的计算公式,并利用该公式模拟计算了相关的数据和曲线。

The results show that the water level variation in freshwater side doesn′t refuse normal school and logarithm normal school, but coincides with normal school better.

收集淮河流域、太湖流域主要大中型水闸历年最高水位资料 ,用KS法对上述水位的分布规律进行分布拟合假设检验 ,其结果为 :水闸内河侧水位变化规律不拒绝正态分布、对数正态分布 ,但正态分布最优 ;水闸沿江、沿海侧潮位的变化规律不拒绝正态分布、对数正态分布和极值I型分布 ,但极值I型分布最优 。

Based on the data of average temperature and precipitation of 129 stations of China from 1961 to 2000, this paper uses normal school and Γ distributing simulating probability distributing of average temperature and precipitation separately.

本文利用1961-2000年中国129站日平均气温和日降水量资料,用正态分布和Γ分布分别模拟了各季日平均气温和夏季雨日降水量的概率分布。

The result is that:in lately 40 years mean of mean daily temperature of apiece season approximately assume high in south and low in north,daytime change is least in summer,geographical diversity of unconformity normal school is evident to four seasons.

本文利用全国129站日平均气温资料,从偏态系数、峰度系数入手分析了日平均气温的概率分布特征及年代际差异,结果表明:近40年中国各季日平均气温的均值分布大致呈南高北低,夏季日平均气温的日际变化最小,四季日平均气温不服从正态分布的地理差异明显。

dinates of the bivariate normal distribution

二元正态分布纵坐标

Tables for statistical distributions--Normal distribution

GB/T4086.1-1983统计分布数值表正态分布

The tracer is distributed in a nearly normal fashion.

示踪剂的分布接近正态分布的样式。

Some Thoughts on Normal Distribution and Partial Distribution of Test Scores;

关于测验成绩正态分布与偏态分布的思考

The mean of a normally distributed population lies at the center of its normal curve.

正态分布总体的平均数在正态曲线的中心。

The confidence interval of quantile Xp for normal distribution

GB/T10094-1988正态分布分位数Xp置信区间

Analysis and application of characteristic parameters of normal probability frequency distribution map of apparent formation water resistivity

视地层水电阻率正态分布分析及应用

Linear Transformation under Normal Random Variables Distribution;

线性变换下正态分布随机变量列的分布

Comparison of Normal Distribution and Uniform Distribution Based on the Theory of Moment;

基于矩理论正态分布和均匀分布的比较

Sufficent and Necessary Conditions for the Multivariate Exponential Family Distribution to Become the Maltivariale Normal Distribution;

多元指数族分布成为多元正态分布的充要条件

a symmetrical curve representing the normal distribution.

代表正态分布的对称曲线。

Upper confidence limits of coefficient of variation for normal distribution

GB/T11791-1989正态分布变差系数置信上限

Returns the inverse of the normal cumulative distribution for the specified mean and standard deviation

返回具有给定概率正态分布的区间点

is the value for which you want the distribution

用于计算正态分布函数值的区间点。

Monte Carlo Tests for Multivariate Mixture Normality;

多元混合正态分布的Monte Carlo检验

Discussions on Application of Normal Distribution in Performance Evaluation;

浅析正态分布在绩效评估中的适用性

Robust Estimation on Observation Value Obeying Pollution Normal Distribution;

观测值服从污染正态分布的抗差估计

Algorithms for Generating and Testing Lognormal Pseudorandom Numbers;

对数正态分布伪随机数的产生与检验