查询词典 probability density function

Unequal probability sampling is a very effective method for sampling applications,which is a sampling scheme with unequal probability .

不等概率抽样是赋予总体每个单元不完全相等入样概率的抽样，是实际中十分有效的抽样方法之一。

Students will learn Descriptive Statistics, Probability and Random Variables, Probability Distributions, Sampling and Sampling Distributions in Statistics.

同学们将在统计学中学习叙述统计量的意义与计算、机率与随机变数、机率分配、抽样与抽样分配等基础统计方法。

The Kolmogorov extension proceeds along the following lines: assuming that a probability measure on the space of all functions exists, then it can be used to specify the joint probability distribution of finite-dimensional random variables .

收益的Kolmogorov延长其内容大致如下：假设概率测度空间上存在的所有功能，那么它可以用来指定联合概率分布的有限维随机变量。

In this paper,a probability space is introduced to describe IC yield optimization problem,and the probability measure of the feasible region is employed to indicate the yield The weighted Monte Carlo method is snitable in the early optimizzation stage,while the improved SA algorithm is more efficient in the final stage.

本文引入了一个概率空间来描述集成电路合格率优化问题，并将合格率表示为可行域的概率测度。所提出的变权重MonteCarlo法适合于合格率不太高的场合，而改进后的SA算法则适合于合格率比较高的场合。

155 The minimal unit for a probability proposition is this: The circumstances--of which I have no further knowledge--give such and such a degree of probability to the occurrence of a particular event.

5.155 概率命题的最小单元是：诸情况——我对它们别无所知——对一特定事件的发生给与某一概率度。

Through the analysis for experiment result, The form of probability distributions on the unit length of breakwater with attack angle is presented, and the effects of wave angle, multi-directionality, wave steepness, and relative wave height on wave parameters of probability distributions are analyzed. The rules of statistical distributions of oblique and multidirectional wave forces are presented.

通过试验结果分析，给出了作用在直立堤上的单位堤长波浪力的概率分布形式，讨论了波向角、波浪方向分布宽度、波陡及相对波高等因素对单位堤长波浪力概率分布参数的影响，给出了斜向和多向波作用于直立堤上单元堤长的总力统计分布规律。

A weighted posterior probability method is presented to calculate the probability outputs of support vector machinesfor multi class cases.

中文摘要：为解决传统支持向量机方法不提供概率输出的问题，在支持向量机多类分类问题输出概率建模中，提出了加权后验概率建模方法。

By the statistical analysis of motion vector probability distribution of sequences, its directional characteristics are found. A novel algorithm-improved cross-diamond search algorithm is proposed by using small cross-search pattern to search small fiction vectors as the initial step based on the center-biased characteristics of motion vector probability distribution.

通过对序列运动矢量概率分布分析，发现了该概率分布的方向性特性，提出了一种新的块匹配运动估计算法―改进的十字－菱形搜索算法。

He probability of an event's occurring is equal to the probability that it will not occur.

在大量的实验中，某一事件发生的几率等于它不发生的几率。

In order to test the practical usefulness of the prober LZF-I we conducted population investigation, paternity determination, tissue stability and applicable extent in fish and obtained following results. The probability of chance association between random individuals was 9.23×10-16,and this indicates that the LZF-I fingerprints are completely individualspecific The paternity probability was 0.999962, and it showed that the inheritance of alleles is in accord with the Mendelian Law. The LZF-I oligonucleotide fingerprinting probe was stable.It was very effective in detecting both individual and species specificities of fish.

通过对鱼类的群体实验、亲子鉴定实验、组织细胞的稳定性实验和鱼类种类的适用范围实验后，测得：(1)LZF-I DNA指纹探针属多位点寡核苷酸探针；(2)LZF-I DNA指纹探针在鱼类种群中的鉴别机率为9.23×10 E-16；(3)LZF-I DNA指纹探针在鱼类亲子鉴定实验中的父系概率为0.999962；(4) LZF-I DNA指纹探针，是一种稳定的，既具有个体识别能力，又具有一定种属特异性的、适用于鱼类DNA指纹图研究的基因指纹探针。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。