1) Binomial log-normal
二项-对数正态
2) lognormal distribution
对数正态
1.
Based on the classical demonstration methods of GJB,fuzzy demonstration of maintainability index is offered,and fuzzy hypothesis test for the parameter of lognormal distribution is studied.
分析了武器装备维修性验证的重要性,基于国军标中规定的指标验证经典方法,提出了模糊维修性指标验证,研究了对数正态分布参数的模糊假设检验问题;实例表明该方法能有效处理实际问题中具有模糊背景的一些概念,对靶场进行维修性试验与鉴定具有借鉴意义。
2.
This article is aimed to describe the distribution figure on the frequency histogram of geotechnical parameters which obey lognormal distribution,the method of normal checking on the cumulative frequency probability grid paper as well as the statistical method for finding characteristic figure values of parameters,and finally to make the statistics of geotechnical parameters more rational.
本文试图说明服从对数正态分布岩土参数频率直方图的分布特征和在累积频率概率格纸上作正态检验及求取参数特征值的统计方法。
3.
They also have suggested that the lognormal distribution of quantitative trait would be more reasonable.
将Luo和Woolliams模型中的混合正态分布推广到混合对数正态分布,先用矩量法得到各参数的估计值,再将此估计值作为EM(Expectation Maximization)算法迭代的初值进行迭代,将矩量估计和极大似然估计结合起来,提高了EM算法的收敛速度并使修改后的模型更符合生物学事实。
3) lognormal
[英]['lɔɡ'nɔ:məl] [美][lɔɡ'nɔrməl, lɑɡ-]
对数正态
1.
With the help of the large quantity of flight data,We research the distribution of the compared damage that was caused by flying,consist of normal,lognormal and weibull distribution.
利用在某型飞机载荷谱编制过程中提出的比较损伤计算方法,通过统计大量的外场飞参数据,分别按正态分布、对数正态分布和威布尔分布,研究了飞机在实际飞行使用过程中比较损伤的分布规律。
4) poisson bivariable log-normal distribution
泊松二维对数正态分布
5) two-dimension lognormal distribution
二维对数正态分布
6) lognormal-FARIMA
对数正态-FARIMA
1.
The results of simulation demonstrate that under the condition of fixed buffer size,the calcu- lation based on lognormal-FARIMA model provides much less loss rate.
仿真结果表明,在缓冲区大小固定的条件下,视频业务流的带宽计算采用对数正态-FARIMA模型可以获得较小溢出率。
补充资料:对数正态分布
分子式:
CAS号:
性质:若一组测定值取对数后遵从正态分布,则称其遵循对数正态分布。对数正态随机变量x的概率密度函数为,式中μlogx与σlogx2分别为变量logx分布的均值与方差。
CAS号:
性质:若一组测定值取对数后遵从正态分布,则称其遵循对数正态分布。对数正态随机变量x的概率密度函数为,式中μlogx与σlogx2分别为变量logx分布的均值与方差。
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