stochastic variable
英 [stə'kæstɪk ˈveəriəbl]
美 [stə'kæstɪk ˈveriəbl]
网络 随机变量
英英释义
noun
- a variable quantity that is random
双语例句
- This paper analyses also the probability estimate problems under the conditions that return series is correlated and return is multivariate stochastic variable.
本文对收益率序列存在相关性、收益率是多元随机变量情况下的尾概率估计问题也进行了分析。 - For the uncertain character of material function, the intensity of spray concrete and concrete lining is uncertain too. It can describe quality character better by probability model and statistic parameter of stochastic variable.
由于材料性能具有不确定性，喷混凝土和二次衬砌的强度亦同样具有不确定性，一般用随机变量的概率模型和统计参数来描述，能更好地描述其质量特征。 - In order to disassembly parts from used products, usually many steps are needed, and disassembling time in each step is stochastic variable.
对废旧产品中的零件进行拆卸通常需要多个步骤才能完成，而每个步骤所需要的拆卸时间都是随机变化的。 - If either of strength and stress is stochastic variable and another is fuzzy variable, the.
当强度和应力之一为随机变量，另一个为模糊变量时，提出将模糊变量通过模糊集合截集转换为区间数，并假定模糊变量在此区间取值的可能性与相应的隶属函数值成正比。 - So it is the important subject in probability to study the independence of stochastic variable.
因而，关于随机变量的独立性的研究构成了概率的重要课题。 - The risk analysis of the flood control capacity for river levee is conducted by a stochastic variable method. The definition of reliability and the risk for flood control capacity, the model and computation method of risk analysis are given.
采用随机变量的分析方法，对河道堤防的防洪能力进行风险分析，给出了河道防洪能力的可靠度和风险度的定义、风险计算模式和计算方法。 - As it actually has fluctuation, the demand is treated as stochastic variable.
由于实际中需求具有波动性，将需求作为随机变量来处理。 - Then through series expansion of the nonlinear transformation function, expressions of the true mean and covariance of the stochastic variable that results from nonlinear transformation are obtained, which also result in the form of first-order linearization.
文中通过对非线性变换的函数进行级数展开，获得了非线性变换后随机变量的真实均值和协方差的表达式，并得到一阶线性化的形式； - A discrete method for stochastic variable ( features) space of class-conditional-probability density and estimation method for class-conditional-probability distribution is proposed.
本文提出了类条件概率密度随机变量（特征）空间离散化及类条件概率分布估计方法。 - The equivalent dynamic load, a major parameter influencing the bearing life, being taken as a stochastic variable, and the factors influencing equivalent dynamic load as fuzzy variables, the service life of bearing was checked with the fuzzy reliability method.
将影响轴承寿命的主要参数当量动载荷当成随机变量处理，而影响当量动载荷的因素视为模糊变量，用模糊可靠性方法校核轴承的寿命。