后验分布

In most cases, Bayes solution based on the mean of the posterior distribution will be better than the traditional one.

在大多数情况下，基于后验分布的贝叶斯解会优于传统解。

The lower Bayesian confidence limit designed is based on the posterior distribution of C_ combined with the application of highest posterior density.

该方法解决了后验分布虽是单峰但非对称的置信下限问题。

At the second stage of Bayesian theory, in which prior information and likelihood function should be combined to get posterior distribution, we propose a method of probabilistic analysis using weighting matrix.

为了得到加入先验信息的后验分布，本文提出了使用加权矩阵的概率分析法，该方法在模型空间直接引入地质信息，对噪声引起的反演多解性有很强的约束效果。

It has been found that the MCMC approaches can estimate and derive the posterior joint probability distribution of the model parameters properly.

采用基于实测流量资料估计的置信区间可靠性作为评判标准，实验结果表明：就SMAR模型而言，MCMC方法能够更好地推求模型参数的后验分布。

The result indicated that the degree of influence to the reliability of existing structure in the order high to low are resistant force decreasing, resistant force posterior distribution and live load.

计算结果表明，影响既有结构可靠度的三个主要因素中，其显著性程度按照由高到低的次序是：抗力衰减、抗力后验分布、活荷载取值。

It establishes the prior information, according to historical information or the design experiences and the posterior distribution of the parameters on the basis of sample data, by which we can do point estimation or interval estimation, predict the future trend.

首先，作为可靠性评估的基础性工作，本文提出了贝叶斯预测模型用于配网元件原始参数的评估，引入由历史资料或设计经验形成的先验信息，并结合样本数据形成被估参数的后验分布；在此基础上进行点估计或区间估计，就可以对未来的变化趋势做出预测。

Combined with product's field small sampling test and the accelerate factor's prior distribution,the factor's posterior distribution is presented based on Bayesian method.

并利用Bayes方法，结合额定应力环境下的小子样数据和加速因子的先验分布，推导出加速因子后验分布。

The infinite-dimensional inference technique was available to precisely approximate the posterior distribution of the noise.

提出一新的非参数贝叶斯推理算法来辨识任意复杂的多模噪声分布，采用无穷维推理技术，能够较为精确地逼近噪声的后验分布。

MCMC can be used to explore the posterior probability produced by the Bayesian learning method.

当使用Bayes方法学习Bayes网络模型的结构和参数时，使用MCMC方法对后验分布进行抽样研究是非常方便的，它不需要此概率分布是归一化的，而计算归一化常数往往是困难的。

Through the considering of two kinds of prior information—conjugate priorand noninformative prior,and by use of the method of Bayesian analysis,we obtain that the posteriordistribution of parameter in the model is approximate to Normal distribution.

考虑两类先验信息，即共轭先验和无信息先验，利用贝叶斯分析方法，得到模型参数的后验分布近似为正态分布。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。