mean of random variable
英 [miːn ɒv ˈrændəm ˈveəriəbl]
美 [miːn əv ˈrændəm ˈveriəbl]
【化】期望值
双语例句
- The weighted mean of the random variable is the expected value.
随机变量的加权平均值是期望值。 - 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。 - In paper(ⅰ), the author defines arithemtic mean of random variable and the mean inequalities of symmetric random variable.
文献〔1〕定义了随机变量的算术平均与几何平均，并建立了对称随机变量的平均不等式。 - For the local influence analysis, statistics are developed respectively to measure the influence for mean and covariance parameters under subject and case perturbation of measurement error, random effects, whole random error and response variable.
在局部影响分析中，分别推导出了均值参数和协方差参数在测量误差、随机效应、整个随机误差和响应变量个体和观测扰动下局部影响分析度量统计量，分别找出强影响个体和强影响观测。 - In the paper, We give the LST 、 mean 、 variance and some other results of the Waiting time for the queueing system M ξ/ G/ 1 by applying the past lifetime and the residual lifetime of the random variable.
运用随机变量的年龄和剩余寿命给出了排队系统Mξ／G／1的等待时间的LST、均值、方差以及其他一些结果。 - Finally, we design some algorithms about fuzzy random simulations to compute the mean chance of fuzzy random event, find the optimistic value of a return function, and evaluate the expected value of a fuzzy random variable.
最后我们设计了模糊随机模拟算法，用于计算模糊随机事件的平均机会，寻找收益函数的乐观值，以及估计模糊随机变量的期望值。 - The Mean Inequalities of Random Variable(ⅰ)
随机变量的平均不等式（Ⅰ） - A new method which can efficiently and accurately calculate the mean and standard deviation of a dependent random variable is proposed.
对于从属随机变量统计特征的确定，本文介绍了一种精确高效的确定其均值和标准差的方法。