probability mass function是什么意思

网络释义

用法例句

Then,the probability distribution functions of the streamwise and wall-normal velocity fluctuations were obtained and compared with the corresponding normal distributions.

在此基础上,获得了流向和垂向脉动速度的概率分布函数,并运用假设检验,分析了其与正态分布的定量差别。

The probability distribution function and the corresponding statistical parameters of sharing ratio of internal pressure in bedrock for embedded penstocks in terms of design reference per.

根据已搜集到的国内外部分水电站地下埋管围岩内压分担率的实测数据,利用统计数学中的K-S法和A-D法等检验方法进行了统计分析和分布假设检验,求得了水电站地下埋管围岩内压分担率在设计基准期内的概率分布函数及其统计参数,证明其最优概率分布函数可用对数正态分布来拟合。

Based on the definition of marginal cost and the technology of probabilistic costing,this paper provides a method for forecasting the expected value and probability distribution function of the short\|run marginal cost of power generation for a given time interval.

基于边际成本的定义和随机生产模拟技术 ,提出一种短期发电边际成本的概率学预测方法 ,不仅能给出发电边际成本的均值 ,而且能得到其概率分布函数。

The distribution function of the average density of the pits and the deepest pits may be set up by the statistico analysis.

为了得到蚀孔的统计规律,本文用柏松概率分布函数求得腐蚀活性点出现个数的规律,再用古比极值统计第一类近似函数求得最深腐蚀孔深度的概率分布,以此来评价材料的耐点蚀性能。

The distribution function of the average density of the bits and the deeppest bits is set up by the statisticao analysis.

为了得到蚀孔发生的统计规律，利用泊松概率分布函数求得腐蚀活性点出现个数的规律，利用古比极值统计第一类近似函数求得最深腐蚀孔深度的概率分布。

Based on any three factors,the distribution functions of the tropical cyclone rainfall were constructed to establish and operationally run the SVM regression models for tropical cyclone rainfall forecast in Jiaxing.

应用国家气象中心下发的热带气旋报文资料(中心经纬度、中心气压、近中心最大风力),设计了诸如热带气旋中心与嘉兴市的最近距离等因子,并任选3个因子组成三维坐标(x,y,z),计算嘉兴市热带气旋降水的概率分布函数。

The Gumbel distribution function and the least-square fitting method are used to calculate design wave heights.

利用澳大利亚悉尼观测站连续16年的实测资料和Gumbel概率分布函数对这三种方法进行分析和比较,选出一种比较好的计算方法。

Characteristic functions and quasi-probability distribution functions of multi-mode Bose quadratic polynomial system;

多模玻色二次多项式型系统的特性函数和准概率分布函数

binomial probability distribution functio

二项式概率分布函数

Disscussion on the Relation Between the Definition of Entropy and the Probability Distribution Functions of the Ensembles;

熵的定义式和系综概率分布函数关系的探讨

How to Select a Known ProbabilityDistribution for an Element Cost;

如何给某个成本要素选择一个已知的概率分布函数(英文)

generating function for a discrete probability distribution

离散概率分布生成函数

characteristic function of probability distribution

概率分布的特征函数

The Comparison and Analysis for the Relation Among Random Variable 、Probability Density Function、Distribution Function;

随机变量、概率分布测度、分布函数的比较与研究

Some wave functions produce probability distributions that are constant in time.

某些波函数引起不随时间变化的概率分布。

Get Distribution of Nonnegative Integer-valued Random Variables by Using Probability Function

概率母函数在求非负整值随机变量分布的应用

Returns the inverse of the lognormal cumulative distribution function of x, where ln(x) is normally distributed with parameters Mean and Standard_dev

返回具有给定概率的对数正态分布函数的区间点

Application of Ralley Probability Density Distribution Function to Telecom Subscriber Prediction;

瑞利概率密度分布函数在电信用户预测中的运用

Study on Fault Diagnosis for Systems Based on Alpha-PNN

基于Alpha稳定分布基函数概率神经网络的系统故障诊断研究

Research on the Noise Functions Produced by Macrocosm Approximation of XOR with Addition Modulo 2~n

模2~n加整体逼近模2加产生的噪声函数的概率分布研究

A quantized probability distribution PF is used instead of PDF.

仿真和分析使用的是量化后的概率密度函数-概率函数。

Novel BSS algorithm for estimating PDF based on SVM

盲源分离的SVM概率密度函数估计算法

Distribution Function of Velocities and Characteristic Velocities in the Course of Effusion;

小孔泻流速率分布函数及其特征速率

binomial probability generating function

二项式概率生成函数

-squared probability density function

χ方概率密度函数 χ

bivariate normal probability density function

二元正态概率密度函数