对数

And, a new method for estimating two parameters of Weibull distribution from lognormal distribution parameters is obtained.

在理论上，沟通了两分布间的联系，藉此可利用对数正态分布参数估计威布尔分布参数，从而得到了一种新的两参数威布尔分布的估计方法。

The results show that the ratio has obvious dependence on seismic circumstance and follows a lognormal distribution.

结果表明，不同超越概率水准的地震危险性分析结果的比例关系对地震环境具有明显的依赖特征，且总体上服从对数正态概率分布。

Furthermore, computer simulation aimed at Weibull distribution and lognormal distribution is processed, and results show that the provided method is feasible and easy to implement.

论文还对Weibull分布和对数正态分布作了相应的计算机模拟，结果表明所给参数估计方法是容易施行并且行之有效的。

Good on a random number generator, including normal, lognormal distribution, uniform distribution of many random distribution...

很好用的随机数产生器，包含正态分布，对数正态分布，均匀分布等好多随机分布的随机数产生方法。

Simulation with NS -2 shows that the distribution of lognormal can be used to describe the duration of longest lifetime paths.

模拟实验表明，利用对数正态分布可以很好地描述移动自组网的最长生命期路径持续时间。

In order to circumvent the heavy-tailed problem in estimating the conditional autoregressive range model, the lognormal distribution is considered.

为了解决在估计条件自回归极差模型中的分布厚尾性问题，采用尾部呈幂函数衰减的对数正态分布估计CARR模型。

Good on a random number generator, including normal, lognormal distribution, uniform distribution of many random distribution of random selection.

很好用的随机数产生器，包含正态分布，对数正态分布，均匀分布等好多随机分布的随机数产生方法。

It is shown by test results that at a given equivalent stress amplitude the constant amplitude fatigue life follows the lognormal distribution.

结果表明，在同一应力水平下，所用试样的常幅疲劳寿命服从对数正态分布。

Data of Yuerya gold mine′s Au grades are composed of two lognormal distribution populations which are overprinted.

经研究，峪耳崖金矿的金品位即由两个对数正态分布总体叠加而成。

In this paper, EM algorithm is used to estimate the parameters of exponential distribution, Weibull distribution and lognormal distribution based on randomly right censored data.

本文将EM算法用于随机右删失数据下指数分布、Weibull分布和对数正态分布的参数估计中。

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。