distribution variance
英 [ˌdɪstrɪˈbjuːʃn ˈveəriəns]
美 [ˌdɪstrɪˈbjuːʃn ˈveriəns]
分布方差
双语例句
- A theoretical distribution with finite mean and variance.
平均数和方差数都为有限的一个理论分布。 - This method can be used without assuming that lives of system or component follow time-to-failure distribution, decreasing reliability and variance errors due to incorrect life distribution selection.
该方法不需假设系统或单元产品的寿命服从某一分布，减少了因寿命分布选择不当所造成的可靠性和方差的误差。 - At the same time, it also describes award grades set and the rationality of the bonus distribution with variance.
同时，又用方差来描述奖级设置和奖金分布的合理性，并建立了彩票方案合理性的判定模型。 - The probability distribution and the mean and variance of the output random variable after maximizing the adjacent sample units and accumulating various maximums are analyzed. Furthermore, the SNR improvement and detection performance of the accumulation-detector are discussed.
分析经相邻采样单元比大并积累后输出随机变量的概率分布、均值和方差，进而讨论了此积累检测器的信噪比（SNR）改善和检测性能。 - Based on examples, introduces significance of difference test method between sample average and ensemble average in cases of totality submission normal distribution ( variance known of unknown big, small sample) or totality non-normal distribution in education experiment;
结合实例，介绍了教育实验中总体服从正态分布（方差已知或未知，大、小样本）或总体非正态几种情形下样本平均数与总体平均数间差异显著性的检验方法； - Defects and Improvement of Current Methodology in Hypothesis Testing for a Single Population Mean under Normal Distribution and Known Population Variance
总体方差已知条件下单个正态总体均值假设检验现行方法的缺陷与改进 - Applying the nature about normal vector and independent random vector, the sampling distribution of single effect in variance analysis can be directly gotten.
应用正态向量及独立随机向量的有关性质直接给出了方差分析中单项效应的抽样分布。 - Graphic Method for Solving Prior Distribution of Variance of Ballistic Missile Fall Point
弹道导弹落点方差先验分布密度的一种图解法 - The parameters of Weibull distribution, average wind speed and distribution variance were obtained in terms of least error approach method.
采用最小误差逼近算法原理，计算了风速韦布尔分布的参数以及平均风速和分布方差。 - The mean relative molecular mass of n-paraffin and the carbons distribution variance σ 2 have been calculated based on the analysis of normal distribution.
根据正态分布的分析，计算了正构烷烃的平均相对分子质量μ和碳数分布方差σ2。 - The experiment results show that the damage power threshold of IC fit normal distribution, and the variance is very small, so the damage probability fits 0-1 distribution.
器件损伤功率阈值基本呈正态分布，且方差较小，因此，器件的损伤概率近似于0～1分布。 - An application in the normal distribution and variance
正态分布和方差的一个实例应用 - In the empirical study we also found the phenomenon of "fat tail" distribution, conditional variance and asymmetric variance of SH180 index return.
此外，在实证分析中，我们也发现并证实了上证180指数收益率存在“厚尾”分布、方差的时变性以及非对称性的风险特征。 - For each p, the variance of bounded distribution increased with the distribution's boundary, the variance of P-norm distribution is the supreme of the bounded distribution.
对每一p，有界分布的方差随有界分布的边界单调增加，以P-范分布的方差作为上界。 - This paper studies reliability sampling inspection method for items whose quality characteristic has a normal distribution with an unknown variance under double combined specification limits.
在综合双侧规格限下研究方差未知的正态分布产品可靠性抽样检验方法。 - In contrast to most signaling models, this paper assumes that a higher valued firm is distinguished from its lower valued counterpart by having a cash flow distribution with a lower variance, but with the same mean.
与大多数信号模型假定高质量企业具有高水平现金流量不同的是，本文假定高质量企业与低质量企业的唯一区别是：高质量企业具有较低的现金流风险，而两者的平均现金流相同。 - The key to the success of this method is to allow each marker effect have its own variance parameter, which in turn has its own prior distribution so that the variance can be estimated from the data.
其关键在于让每个效应有一个特定的方差参数，而该方差又服从一定的先验分布，以致能从资料中估计之。 - Functional derivation is employed to analyze the two noises in the third-order laser model. The stationary distribution and the normalized variance are derived.
应用泛函导数，对三次激光模型中包含的两种噪声用小近似进行计算，得到激光场的稳态分布，计算了相对方差。 - It is shown that the distribution mean and variance of reduction activation energy are associated with promoter ′ s thermodynamic properties and ionic radius.
结果表明：还原话化能的均值和方差同加入助剂的化学性质及其离子半径有关，并给出相应关系式。 - Data accorded with normal distribution and homogeneity of variance were compared by t-test, or by rank sum test.
符合正态分布和方差齐性等条件者做t检验，否则，做秩和检验。 - Sampling distribution of single effect in variance analysis
方差分析中单项效应的抽样分布 - We are now in a diversity-oriented age with the characteristics such as unevenness of benefit distribution, variance of cultural notions, difference of values and wide-spreading of Internet-based mass media.
我们已经走进了以利益分配的多极性、文化观念的多元性、价值选择的多样性和媒体运作的网络性为基本特征的趋异时代。 - Traditional financial theories, such as portfolio theory, capital asset pricing model and option pricing formula, all assume that the return series of the stock market obey normal distribution and have the identical variance.
传统的金融理论如投资组合理论、资本资产定价模型和期权定价公式，都假设股票市场的收益率服从正态分布，并且同方差。 - The classic linear regression model is built on the basis of symmetric normal distribution and assumes that variance is a constant value.
经典线性回归模型是建立在对称的正态分布基础上的，并假设方差为一个常数值。 - Quantitative data and in accordance with normal distribution and homogeneity of variance using ANOVA analysis of qualitative data using the chi-square test.
定量资料符合正态分布和方差齐性的采用单因素方差分析，定性资料采用卡方检验。 - Numerical variables were represented as x ± s. The normal distribution and variance homogeneity were measured then mean values were compared by the student tests.
数值变量以x±s表示，经正态性和方差齐性检验后，用t检验进行两总体均数的比较。 - The believe function value, validity analysis, factor analysis, T party distribution, single factor variance analysis, person analysis and multi-factors linear regression analysis were used to process the data which is collected by questionnaire.
运用信度、效度检验，因子分析，T检验、单因素方差分析，person分析和多元线性回归等方法对收集到的数据进行分析。 - However, the OSCE scores are generally following the standard normal distribution approximately. The variance analysis results show that the scores 'difference among students under different educational systems and grades has statistical significance. 4.
OSCE成绩在总体上基本服从正态分布，方差分析结果表明不同学制和年级学生考试成绩间的差别有统计学意义。 - Based on the full conditional distributions of the parameters are not in well known forms, the parameters are then sampled via Random Walk M-H ( Metropolis-Hastings) algorithm, and choose an adaptive algorithm to find the right proposal distribution variance.
由于需要估计参数的满条件分布并不是某个确定函数的分布形式，本文采用随机游动的M-H（Metropolis-Hastings）算法对参数进行抽样，并选择了一种自适应的算法来寻找合适的建议分布方差。