two-dimensional normal distribution

  • 释义

    二维正态分布

数据更新时间:2026-08-21 16:25:10
1、

In our observation time window, the volume of cerebral infarction in rats brain of model group and EA group presented a basic normal distribution. The two peak appeared at I/ R48h both.

在我们设定的观察时间窗内(缺血/再灌注24h-72h),模型组和电针组大鼠脑梗死体积比呈现一个基本正态分布,都是在缺血/再灌注48h最大,处于峰值。

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2、

the empirical two-dimensional normal distribution functions for the deviations are presented in the paper.

最后给出了经验的中国大陆宏观地震震中&速报震中偏离的二维正态概率分布密度函数。

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4、

The random process of two phase flow formed out of air entrained in the water by the aerator is an ergodic process, its amplitude distribution is in accord with the normal distribution.

利用掺气坎在水中强迫掺气形成水气两相流,其压力脉动属于平稳,各态历经随机过程。

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5、

secondly we assume that the union distribution of logarithm of the stock price and its revenue ratio obeys two-dimensional normal distribution, and then confirm the statistical distribution characteristic of condition revenue ratio from it.

其次假定股票价格对数与收益率的联合分布f(InP,R)服从二维正态分布,从中确定条件收益率的统计分布特征,进而计算条件VaR值。

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6、

In this paper, we concretely design a fixed-width confidence interval for the variance σ 2 of a normal distribution N(μ,σ 2) by two-stage procedures and provide the optimal sample size of the first stage by numerical computations.

利用两阶段抽样,我们具体给出了正态总体方差的一个置信区间,它同时满足可靠度与精度,利用数值计算的方法,我们计算出第一阶段的最优抽样量。

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