Reasoning operator and normalizing algorithm for normal fuzzy causality diagram;
正态模糊因果图的推理算子及归一化算法研究
In view of the Rosenberg problem and the projection pursuit theory on statistics,the paper structures the density function f(x) of the n dimensional non normal population.
鉴于Ｒｏｓｅｎｂｅｒｇ问题及统计中的投影寻踪理论，构造了非正态的ｎ维总体密度函数ｆ（ｘ），且其在ｌ（１≤ｌ≤ｎ）维超平面Ｌｉ上的投影密度ｆｉ（Ｚ）为正态密度，其中，１≤ｉ≤Ｎ（Ｎ为任意有限数），当ｉ≠ｊ，１≤ｉ，ｊ≤Ｎ时，Ｌｉ≠Ｌｊ。
This paper defines the normality of setvalued random variable,gives its representation,and describes its relationship with usual random variable.
从集值随机变量的定义出发,利用嵌入函数这个工具,给出了集值随机变量正态的定义,并且给出了它的一个表示,揭示了它与一般的随机变量正态的关系。
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
The variation rules of apparent formation water resistivity was reflected by using normal probability distribution, according to its changing rules, the fluid property was judged with good result.
开发了一种利用计算机图形绘制多口井测井数据的应用程序,实现了用数学上的正态概率分布法来反映视地层水电阻率的变化规律,并根据其变化规律判别储层的流体性质,效果良好。
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。