We simulate the stochastic cycle time and get its mean and variance.
我们模拟随机的周期时间，得到平均值以及变异数。
Populations, random samples. Sample statistics, moments of the sample mean and variance.
母体，随机样本。样本统计， 样本平均数和变异数的动差。
This method firstly uses improved mean and variance to remove background, and then smooths it;
该算法首先用改进的灰度方差和均值进行初级分割，然后进行平滑；
As an application, we obtain an expression for the mean and variance of the first reaching time t.
作为应用，得到了首达时t的均值和方差的表达式。
This article uses a Bayesian procedure to study structure changes of both mean and variance in stock price time series.
本文应用贝叶斯方法研究了股价时序的均值和方差双重变点问题。
Finally, it employs the mean and variance projection functions to validate retrenched eyes in order to precisely locate them.
最后用投影法对精简后的眼睛对进行验证，从而达到眼睛对精确定位的目的。
The equations are solved by finite difference method and the mean and variance of pressure head are determined from its random expression.
通过摄动方法得到一系列关于水头展开式的偏微分方程，用有限差分法进行求解，获得了压力水头的随机描述，并计算其均值和方差。
The discrete curvature data were arranged; the mean and variance, as well as the arc-length, surface and angle of curved pieces were calculated.
对离散曲率数据进行处理，计算其均值和方差以及弧形件的弧长、夹角、面积等特征量。
Demonstrate understanding of the concept and properties of a discrete random variable, including calculation and interpretation of the mean and variance.
示范不连续任意的变数观念和财产的理解，包括计算和解释那低劣的和不一致。
This paper presents a single factor heteroscedastic model, deduce a method of this heteroscedastic analysis, and presents the estimation of mean and variance in this model.
本文提出了一种单因子异方差模型，导出这种异方差分析方法，并给出了模型中均值与方差的估计。
A standard control chart based on probability integral transform theory is given, which can be used to control process mean and variance efficiently in the low volume manufacturing.
用概率积分变换理论，给出了控制过程均值、过程方差的标准化控制图，适用于小批量生产环境下对过程均值、过程方差的有效控制。
In particular, we focus discussion on joint confidence sets of the parameter mean and variance when a rounded sample comes from the normal distribution with both parameters unknown.
特别地，本文集中讨论当数据是来自参数未知的正态分布四舍五入后的数据，均值和方差的联合置信集。
The mean and variance of the optimal payoff is determined by both the payoff-risk coefficient of information and the risk aversion parameter, but the risk price is only by the former.
投资者的最优收益的期望值和方差由其对应信息的风险-收益系数和风险厌恶参数共同决定。而市场的风险价格完全由信息的风险-收益系数确定。
The stiffness matrix of a hybrid crack-tip singular element is first derived, then by use of first-order Taylor expansion the mean and variance of stress intensity factors are formulated.
文中首先给出了杂交模式的裂纹尖端奇异单元的刚度矩阵，然后基于随机场的局部平均理论和一阶泰勒展开得到了应力强度因子均值和方差的计算公式。
Using statistical methods to calculate the Angle interval mean and variance of pixels to centroid distance of the normalized gait silhouette images, and construct them as a feature vector.
用统计学的方法，等角度间隔地计算归一化步态轮廓图像各像素点至质心距离的均值与方差，并用其构造步态识别的特征向量。
In the paper, the mathematical model for the proposed method is deduced, and the mean and variance of the acquired carrier difference phase of the proposed method are analyzed and simulated.
给出了该方法提取两导航台载波差分相位的数学模型，并分析了该方法提取的差分相位的均值及误差，进行了计算机仿真。
Figure 1: a normal distribution with mean 3 and variance 1.
图1：平均值为3且方差为1的正态分布。
This paper introduces the approximate calculation of real number's or of vector parameter positive function's posterior mean, variance and forecasting density in mathematical statistics.
文章介绍了数理统计中实数或向量参数的正函数的后验平均、方差和预测密度的近似计算。
The proposed method analyses local image statistics and then matches the local histograms of two images to be fused by applying mean or mean variance matching normalization functions.
该方法分析了局部影像统计特性，应用均值或均值—方差匹配正态函数，对要融合的两幅影像局部直方图进行匹配。
First, we standardized the size, variance of gray scale and mean value of gray scale of the motor vehicle plate images.
首先，对机动车号牌图像进行大小、灰度方差、灰度均值的标准化处理。
The multiplicative noise and saturation effect in a single-mode laser are investigated and the mean and normalized variance of the steady state laser intensity are calculated.
研究了单模激光中的倍增噪声和饱和效应，导出了定态激光强度的平均值和归一化方差。
According to maximum likelihood theory, it fuses random samples coming from different matrix (same mean different variance) in an effective way, and gains a nwe estimator of matrix mean.
该方法依据极大似然原理将来自不同母体(均值相同、方差不同)的随机样本有效融合，得到新的母体均值估计量。
The analysis shows that the entropy, variance, the contrast and mean error will perform better.
分析表明，熵、方差、对比度、差平均的性能较好。
The computing cases show that both the mean discharge process and variance process can be given for the stochastic flow concentration model.
提供的算例表明，对于随机汇流模型，不仅可以给出均值出流过程，而且同时可以给出其方差过程。
Using images' features such as gradient, mean, variance, degree of smoothing and texture characteristics to establish cost function may obtain the best results of target detection.
该方法利用动态规划理论中代价函数的建立过程来充分考虑图像中的灰度、均值、方差、光滑程度和纹理等多种特征，从而使目标检测的结果为最佳。
In this paper it not only gives the method of unequal probability in group sampling and unbiassedness of mean estimation and also gives the variance and its unbiassedness of estimation.
本文给出了集团抽样的不等概方法和均值的无偏估计，同时也给出了这种估计的方差及方差的无偏估计。
The analysis can generate descriptive statistics, such as: the mean, variance, standard deviation, range, kurtosis and skewness.
该分析可以生成描述性统计，如：均值，方差，标准差，范围，峰度和偏度。
The mean variance, capital rated and capital interest arbitrage are also devised.
并设计了均值方差模型，资本资产定价模型和资本资产套利模型。
The mean variance, capital rated and capital interest arbitrage are also devised.
并设计了均值方差模型，资本资产定价模型和资本资产套利模型。
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