There are three major issues in developing a Computer Adaptive Test: the item selection procedure, the trait estimation, the stopping rule. 计算机化自适应考试的开发需要解决三个重要技术问题:选题策略,能力估计方法和终止规则。
For the life data X in a life test, the Bayesian stopping rule and decision rule for the problem of testing fuzzy statistical hypotheses is given in this paper. 在试验过程中,贝叶斯停止法则由最优截断时间确定,贝叶斯判决法则由判决风险决定。
Meanwhile, when there no trap happens, a new adaptive stopping rule for CVA is proposed which is based on comparing the maximum likelihood path with the best maximum likelihood tail-biting path. 在没有循环陷阱产生的情况下,新算法比较当前迭代中最大似然路径和已经发现的最优咬尾路径是否相同来自适应终止迭代。
Combined with the characteristic that biomass can vary in a wide range, the error function of the traditional BP network is improved. Meanwhile, optimal stopping rule is used to avoid over-fitting. 结合菌体浓度变化范围大这一特点,将传统BP网络的误差函数进行了改进,并利用最优停止法对网络进行训练,避免了过拟合现象。
With serial investment models soluted, the essay deals with their applied form the continuous form, and gives its explicit optimal stopping rule. 随着序列情形费用型投资模型和折扣投资模型的解决,本文对其进行连续推广,并给出一个明确的停止规则。
Then, the structure of decoder is introduced. Later, the iteration decoding and a new algorithm that takes the Exterior Information and Cross Entropy as the iteration stopping rule, are also studied. 接着对译码系统的结构也进行了介绍,重点在迭代译码中进行了研究,并提出了利用外部信息和交叉熵联合作为迭代停止准则的新算法,通过仿真达到了预期效果。
Then we give a optimal stopping rule from any state to the stationary distribution. 最后给出了有向Kautz图上简单随机游动从任一单点分布到稳定分布的一个最优停时规则,从而得到了最优均值。
In this paper, by means of the theory of optimal stopping rule and the method of time sequence analysis, we obtain a stock operation method for selecting time, which is optimal and practical. 股票操作中的选时即决定何时买进何时卖出是人们进行操作时最为关心的.本文运用最优停止及时间序列的理论和方法,给出了一个较优的具体操作方法。
The two quantities are quite useful for designing some effective algorithms of randomized Hough transform and determining their stopping rule. 这两个量对随机Hough变换的算法设计及其终止规则是相当有用的。
In this thesis a CAT based on network is programmed with Visual Basic and SQL Sever. The item selection method used in this CAT is a-stratified with content-blocking. The Modified Multinomial Model is used to balance the content and the stopping rule of variable length is used. 本文用VISUALBASIC和SQLsever编制了一个基于网络的CAT,采用了c-分层选题方法,使用改良多项式进行内容平衡,不定长终止规则。
On the Bayes stopping and decision rule in Bernoulli experiments Bernoulli试验的Bayes停止判决法则
Bayesian Stopping and Decision Rule for Lefe Characteristics Testing Based on the Exponential Distribution 基于指数分布寿命特征检验的Bayesian停止判别法则
The implicit iterative method was applied to the linearized Newton equation, and the key step in the process was that a new reasonable a posteriori stopping rule for the inner iteration was presented. 对线性化后的Newton方程用隐式迭代法求解,关键的一步是引入了一种新的更合理的确定(内)迭代步数的后验准则。
The optimal stopping rule on selecting time of stock-operation 股票操作选时的最优停止问题
The Probability Theoretical Basis and Applicable Method of Transition Probability Flow Graph(ⅵ)-The Further Discussion of Effects of Stopping Rule on the Composite Operating Characteristics Function of Adjusting Sampling Scheme 转移概率流图的概率理论基础与应用方法(Ⅵ)&中止规则对调整型抽样方案复合OC函数影响的进一步讨论
The stopping probability is introduced to discuss the statistical characteristics for stopping rule [ R] with continuous sampling plans. 本文引入中止概率的概念,讨论适用于各类连续抽样方案的中止规则〔R〕的统计特性。
Stopping rule plays a very important role in optimal algorithm. 终止规则在优化算法中起着十分重要的作用。
Because this new iteration stopping rule is based on the BP algorithm, it also suits other improved algorithms. 由于新的迭代终止准则是在BP基本算法的基础上提出,对BP算法的其它改进算法也具有同样的实际作用。
In the review of hypothesis, the Bayesian statistic inference solves the problem of deciding test statistic in classical statistic inference, averts the problem of stopping rule and its specialty in induction. 在假说检验上,贝叶斯统计推理解决了经典统计中存在的检验统计量的选择难题;避免了停止法则带来的困难并凸显了归纳特性。
As an application in engineering, a natural stopping rule to operational testing based on Bayesian method is proposed. 作为测试的工程应用,对于常用的运行测试,我们提出了一个基于Bpesian方法的自战的停止测试原则。