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bayes估计     
相关语句
  bayes estimation
    Bayes fusion estimation of dynamic parameters is given by using hierarchical Bayes estimation method and discrete linear model status estimation method in a hierarchical model of multidimensional dynamic parameters.
    在多维动态参数的分层模型下 ,运用多层Bayes估计方法和离散线性模型状态估计方法 ,给出了动态参数的Bayes融合估计。
短句来源
    Empirical Bayes estimation (EBE) and maximum likelihood estimation (MLE) of reliability index are given, respectively.
    分别给出了系统可靠性指标的经验 Bayes 估计,极大似然估计。
短句来源
    Then, it is proved by example that accuracy of flight test samples in Bayes estimation must be considered.
    通过仿真算例说明,在进行Bayes估计时必须考虑飞行试验样本估计的精确性.
短句来源
    The computational results indicate that the least square method combined with the Bayes estimation is suitable for the reliability analysis of liquid rocket engine in the case of zero-failure data.
    计算结果表明,采用最小二乘法结合Bayes估计,可以较好评估液体火箭发动机在无失效条件下的可靠性。
短句来源
  bayesian estimation
    Bayesian Estimation of Failure Probability and it's Applications
    失效概率的Bayes估计及其应用
短句来源
    Synthetic Expected Bayesian Estimation of the Failure Rate
    失效率的综合E-Bayes估计
短句来源
    The Bayesian Estimation of Environmental Factor for Liquid Rocket Engine
    液体火箭发动机环境因子的Bayes估计
短句来源
    Theorem1 For the life distribution function is Weibull distribution(1), with the parameter , m times censored tests are proceeding on the production and obtain zero—failure data ,+,,then the variable range of  is satisfied: , where ,, is the Bayesian estimation of . If ,the prior density function of  is uniformly distribution of , then under the quadratic loss function condition, the Bayesian estimation of  is as follows.
    定理1当威布尔分布(1)的形状参数时,若对产品进行次定时截尾试验,得到一组无失效数据,记+,则各时刻处的失效概率应满足其中,,若取的先验分布为上的均匀分布,则在平方损失下,的Bayes估计为。
短句来源
    If, the prior density function of  is uniformly distribution of , then under the quadratic loss function condition, the Bayesian estimation of  is as follows.
    若取的先验分布为上的均匀分布,则在平方损失下,的Bayes估计为。
短句来源
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  bayesian estimate
    Expected Bayesian Estimate of Products Reliability and its Character
    可靠度的E-Bayes估计及其性质
    In this paper a new estimate method of reliability parameters presented bythe named of expected Bayesian estimate method.
    本文提出了可靠性参数的一种新估计方法——E-Bayes估计法.
    In the case of zero-failure data, thedefinition of expected Bayesian estimate, expected Bayesian estimate and hierarchicalBayesian estimate of the products reliability were given, and on the base the characterof expected Bayesian estimate for the products reliability are given.
    在无失效数据情形,给出了可靠度的E-Bayes估计的定义、E-Bayes 估计和多层Bayes估计,并给出了可靠度的E-Bayes估计的性质.
  bayes estimates
    Multiple Bayes estimates of the reliability performance for cold standby system
    冷贮备系统可靠性指标的多层 Bayes 估计
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      bayes estimation
    The asymptotically optimal empirical bayes estimation in multiple linear regression model
          
    Empirical Bayes estimation of the parameter vector θ=(β',σ2)' in a multiple linear regression modelY=Xβ+ε is considered, where β is the vector of regression coefficient, ε∽N(0,σI with σ2 unknown.
          
    In this article, Bayes estimation of location parameters under restriction is brought forth.
          
    Individual Prior Information in a Physiological Model of 2H8-Toluene Kinetics: An Empirical Bayes Estimation Strategy
          
    Two measures of the influence of the prior distribution p(θ) in Bayes estimation are proposed.
          
    更多          
      bayesian estimation
    Consideration was given to the Bayesian estimation in the multidimensional indefinite-stochastic observation model using the minimax criterion with the generalized probabilistic risk functionals.
          
    In the first case, nonlinear regression analysis is used in combination with successive Bayesian estimation.
          
    The map is represented by an occupancy grid framework and updated by the Bayesian estimation mechanism.
          
    A Bayesian estimation framework was chosen to build up a regularization scheme based on the weak membrane model.
          
    Dynamic Bayesian estimation of displacement parameters of continuous curve box based on Novozhilov theory
          
    更多          
      bayes estimate
    Bayes estimate of the probability of exceedance of annual floods
          
    In this paper Lindley's Bayesian approximation procedure is used to obtain the Bayes estimate of the probability of exceedence of a flood discharge.
          
    Having decided the prior, the Bayes estimate or the posterior mean is used mainly here in addition to the posterior mode.
          
    A generalized Bayes estimate is derived from a three-stage Bayes point of view under the asymmetric loss function, and the admissibility of such estimators is proved.
          
    The simulation result shows as improvement of the Bayesian estimate over the empirical Bayes estimate in some situations.
          
    更多          
      bayesian estimate
    A family of distributions is defined for which the generalized Bayesian estimate of a real parameter θ, constructed according to the repeated choice, does not depend on the choice of the even convex loss function from a sufficiently wide class.
          
    When samples of products are tested and no failur events occur, the definition of expected Bayesian estimate is introduced and the estimates of failure probability and failure rate are provided.
          
    It is shown that the LS estimate of the LICA problem is identical to the Bayesian estimate based on the mode of the posterior distribution.
          
    When the decoding algorithm used for this calculation approximated an optimal, Bayesian estimate of the relative likelihoods, the percentage correct increased from 14% correct (chance was 5% correct) with one neuron to 67% with 14 neurons.
          
    For eliciting a prior distribution which can be used in deriving a Bayesian estimate, a computerized-simulation method is introduced.
          
    更多          
      其他


    This paper presents the hierarchical Bayesian analysis of the zero-failure data.We take prior distribution of failure probability pi in form of quasi-Beta distribution Beta(pi-1, 1,1,b) and hyperparameter b as the uniform distribution in (1 ,c). The results are reasonable and stable.

    在无失效数据的可靠性分析中,关于时刻τi的失效概率pi的估计,本文提出以不完全Beta分布Beta(P(i-1),1,1,b)为一级先验分布,而超参数b为(1,c)上均匀分布的分级Bayes估计。这不仅保证满足关系p1≤p2≤…≤pk,且具有简单统一的表达形式,实例还表明这一估计是稳定、合理的。

    In this paper,when exponential distribution hypothesis at lift span zero failure data of some engine hoist,classical upper confidence limit,Bayesian upper confidence limit and classical estimation,Bayesian estimation,and failure rate of zero failure data are given in this paper.Then the reliability estimation of zero failure data of some types of engine hoist were brought out. [WT5”HZ〗

    本文对某型发动机的无失效数据,在寿命服从指数分布时,给出了失效率的经典置信上限、Bayes置信上限以及经典估计、Bayes估计,从而可以给出该型发动机可靠度的估计。

    In the time ended reliability tests, the situation of zero failure data happens sometimes, especially in high reliability and small sampling tests. The zero failure data research is a new field in recent years, but it is required urgently in practical projects, so the work has more theoretical and practical values. In the paper, for zero failure data of a certain model engine, at moment t , if the failure probability is quasi Beta distribution, the author gives the failure probability Bayesian estimation,...

    In the time ended reliability tests, the situation of zero failure data happens sometimes, especially in high reliability and small sampling tests. The zero failure data research is a new field in recent years, but it is required urgently in practical projects, so the work has more theoretical and practical values. In the paper, for zero failure data of a certain model engine, at moment t , if the failure probability is quasi Beta distribution, the author gives the failure probability Bayesian estimation, and after introducing failure information, Bayesian estimation and synthesized estimation of failure probability are given out. Then the reliability estimation of this model engine can be obtained.

    在定时截尾试验中,有时会遇到无失效数据,特别是在高可靠性、小样本问题中更容易产生无失效数据。对某型发动机的无失效数据,在失效概率服从不完全Beta分布时,给出了失效概率的Bayes估计,并在引进失效信息后,给出了失效概率的Bayes估计和综合估计,从而可以得到该型发动机可靠度的估计。

     
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