查询词典 prior probability

This essay, therefore, also explores the effects on related decision-making problems by different prior probability distributions.

因此本文也探讨在贝氏架构下，不同的事前机率分配，对相关决策问题的影响。

Given a prior probability of lung cancer of 2.4%, positive and negative predictive values were 37.2% and 99.6%.

鉴于既往肺癌发生2.4%的可能性，阳性和阴性预测值分别为37.2％和99.6％。

The effects of iteration steps and the variance with the prior probability on the quality of image reconstruction are investigated.

迭代步数和先验概率的协方差取值对图像重建结果有较大影响。

The prior probability can be estimated by using the equivalence of the Markov random fields and the Gibbs Distribution.

先验概率可以根据马尔可夫随机场和吉布斯分布的等效性，用GD的概率估计。

The algorithm needs no prior probability distributing knowledge of measurement data, and is easy to realize with simple programming and calculation.

虽然，这些方法都有效地提高了测量精度，但由于割裂了数据融合的时间性和空间性，所以这些方法都具有一定的局限性。

The prior probability in accounting decision is usually determined by the subjective judgment of the accountant. It can be modified by using the Bayes's method in order to be close to fact.

在会计决策分析中所采用的先验概率通常由会计人员的主观判断来确定，使用贝叶斯方法能够对其进行修正，使之更加符合实际。

Then, the prior probability of the background and foreground is estimated with Baysian theory.

该算法利用贝叶斯模型结合核密度函数理论，把阈值的选取放到概率空间上考虑，给出了在复杂的动态背景下检测出运动目标的方法。

On the basis of above study, prior probability value of each node in bayesian diagnosis networks of reciprocating compressor is given.

通过实际分析确定出了往复式压缩机贝叶斯诊断网络的先验概率。

In the supervised classification, the election and passivation of the AOI and confirmation of the prior probability are described, and the principle of the maximum likelihood classification based on Bayes rule in the paper is introduced.

在监督分类中，对训练区的选择、钝化及先验概率的确定作了描述，并介绍了本文中采用的建立在贝叶斯准则基础上的最大似然分类法的原理。

Based on the dependencies between failure sources and available tests at different mode,combined with the prior probability of failure sources,the cost of tests and of mode changing,a mathematic model on this problem is constructed.

基于不同模式下测试与故障之间的依赖关系，结合系统故障的先验概率、可用测试的成本以及不同模式的转换费用，构造了该问题的数学描述模型。

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。