先验
- prior;a priori
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这个规则库为Agent的行为选择提供了先验知识,通过这个规则库可以实现动态规划。
The rule base provides prior knowledge for agent 's action selection and dynamic programming .
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GPS观测量先验方差-协方差矩阵实时估计
Real-time Estimation of a Prior Variance-covariance for GPS Observations
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已知e的先验值的初轨寻优算法
The optimizing algorithm of initial orbit with a priori value of the eccentricity
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错误先验假定下Bayes线性无偏估计的稳健性
The Robustness of Bayes Linear Unbiased Estimations under Misspecified Prior Assumption
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提出一种全新的基于空间滤波理论的正则化方法,它不依赖于阻抗分布的先验估计,因此它比最大后验(MAP)正则化方法易于实现;
We developed a new regularization method based on the spatial filtering theory , which is independent on the estimation of impedance distribution .
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基于先验模型约束的Snake算法
A Snake Algorithm Based on Model Prior
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基于多层Bayes先验抗力模型的结构信息更新
Information Updating Based on Multi-layer Bayes Structural Resistance Model
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评估制导工具误差的Bayes估计的多层先验模型研究
Multilayer Prior Model of Bayes Method for Evaluation of Guidance Instrumentation Systematic Error
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基于Bayes先验信息法的可靠性评估方法
Reliability Estimation Methods Based On Bayes Prior Information Method
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其先验模型称为点分布模型PDM。
The prior model described in this paper is Point Distribution Model ( PDM ) .
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在先验模糊辨识方法的基础上,本文提出了一种根据模糊图像自动估计点扩展函数参数d、θ、R和维纳滤波中的参数k的方法来进行图像恢复。
A new method to estimate the parameters d ,θ, R of Point Spread Function and k of Wiener Filter is brought forward .
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基于新Dirichlet先验分布的指数寿命型产品多阶段可靠性增长Bayes分析
Multi-stage Reliability-Growth Bayes Analysis for Exponential Product Based on New Dirichlet Prior Distribution
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同样,结果表明有逆Gamma先验信息要比无先验信息得出的结果要好。
Similarly , the result indicates that the result of inverted gamma prior is better than non-informative prior .
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最后,基于最大后验概率的框架,通过引入Markov随机场的先验模型,有效的控制了解空间的收敛。
Finally , solution space was constrained by exploring Markov Random Field ( MRF ), based on the MAP frame model .
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在动态变形监测中先验信息可以通过不同的方法获得,所以它可以用来改善GPS模糊度解算。
In kine-matics deformation surveying , the prior geometry information can be obtained from different methods , so it can be used to improve GPS ambiguity .
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用先验地质信息约束的非线性AVO反演
Non-linear AVO inversion constrained by a priori geological information
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基于压缩传感的MRI图像重构利用图像稀疏的先验知识能从很少的投影值重构原图像。
The reconstruction of MRI based on compressed sensing is able to recover the original image from the fewer projections using the sparse priors of image .
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无先验基准方法在SLR资料处理中的应用
Application of No Fiducial Approach in SLR Data Processing
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该法以多数非线性发展方程的孤立波解都具有e指数函数为基础,对解作先验假设,利用强大的计算机符号计算,这样就将求解问题转换到超定方程组的求解问题。
Because most soliton solutions of the nonlinear evolution equations have the Exp-function form , we can assume the solution initially then solve the overdetermined equations with powerful symbolic computation .
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Dirichlet先验的信息比
Information ratio of Dirichlet priors
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其次基于最小错误率原理选取SAR图象自动分割阈值,在先验概率未知和估计条件下,获得目标及其阴影区域的检测结果;
Second , on the basis of the principle of minimum error ratio , thresholds are computed in both a prior probability is unknown and known respectively .
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OLS的一个显著特点是不依赖有关时间序列的先验知识。
OLS is independent of a priori knowledge about the segmented time series .
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概率学的AGC先验定价和后验考核新方法
Studying Geography The Subject of Landscape Architecture Probability Experiments A NEW METHOD OF PROBABILISTIC PRIOR PRICING AND POSTERIOR ASSESSMENT FOR AGC
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文献[2]中给出了抽样分布为二项分布、先验分布为Beta分布的Bayes决策准则。
The Bayes decision criterion of sample distridution as binomial distridution and prior distribution as Beta distribution is given in document ( 2 ) .
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首先介绍了常用的做法,即取共轭分布β(a,b)作为先验分布,给出了在平方损失函数下的经验贝叶斯估计,并用与以往不同的方法研究了其渐近最优性。
Firstly , we introduce the common method , and give out empirical Bayes estimation under the square loss function when conjugate distribution is the prior distribution , then its asymptotic optimality is discussed with the different method .
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SLP问题对先验分布的依赖性
The Dependence of SLP Problem on Prior Distribution
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因此本文采用模糊度函数进行搜索,利用一定的先验信息进行缩小搜索空间,最后利用F检验求解正确的模糊度。
So this paper uses the ambiguity function to search , uses some priori information to reduce the searching space , at last uses F-test to solve the accurate ambiguity . 3 .
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本文研究了时滞交通网络中鲁棒动态路由的分散H∞控制,我们假设排队模型中的延迟是先验未知和快速时变的。
This paper studies the decentralized H ∞ control for robust dynamic routing in traffic networks with time-varying delay , we assume that the delays in the queuing model are unknown a priori and fast time-varying .
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先验概率可以根据马尔可夫随机场(MRF)和吉布斯分布(GD)的等效性,用GD的概率估计。
The prior probability can be estimated by using the equivalence of the Markov random fields and the Gibbs Distribution ( GD ) .
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如果源节点和目的节点处于同一个Mesh子网内,则优先采用先验树状路由,否则采用按需路由。
If the source and destination nodes are in the same Mesh subnet , the tree ‐ based routing protocol will be selected preferentially . Otherwise the on ‐ demand routing will be chosen .