likelihood ratio

We use leading methods in the world& Wald test and likelihood ratio test. The results show that CAPM isn't applicable in China's Stock Market.

通过使用国际上比较先进的检验方法&Wald检验和似然比检验，结果表明：CAPM在目前的中国股市不具有适用性。

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Also, using the decomposition of the graphs of two graphical models, we can get some useful results about the decomposition of the likelihood ratio test statistic.

同时，利用两图的分解性，来研究似然比检验统计量的分解，本文将构造两图共同的分解，进而使似然比统计量也可以作相应的分解，我们称之为图分解意义下的分解；

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Based on generalized likelihood ratio test ( GLRT), polarimetric adaptive subspace detector ( PASD) is derived. The theoretical expressions of probability of false alarm and probability of detection for PASD are derived.

基于广义似然比检验提出极化自适应子空间器检测器，并推导出虚警概率和检测概率的理论表达式。

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A method is presented for calculating the performance margins of the optimum likelihood ratio detector by using Monte Carlo Simulation.

本文提出了用Monte Carlo模拟计算理想似然比检测器检测性能的数值方法。

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To segment automatically and extract trend of data stream, the proposed algorithm estimates parameter of linear regression by incremental method and detects boundary points by generalized likelihood ratio test.

该算法对不断到达的数据流元素，采用增量方法确定线性回归模型参数，利用广义似然比检验判断分段边界点，自动分段给出数据流趋势。

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Objective : To explore mathematical relation of sensitivity and specificity, likelihood ratio, predictive value in diagnostic test.

目的: 探索诊断试验的灵敏度与特异度 、 似然比 、 预测值的变化关系.

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This paper considers the asymptotic properties of the empirical likelihood and its likelihood ratio statistic about β-ARCH model, and obtains the consistency and the limit distribution.

研究β-ARCH模型的经验似然估计及相应似然比统计量的渐近性质，证得了相合性和极限分布。

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In this paper, a polarimetric adaptive algorithm, based on Generalized Likelihood Ratio Test ( GLRT) criterion, for the detection of range-distributed targets against compound-Gaussian clutter background is presented. The theoretical expression of probability of false alarm ( PFA) is derived.

本文基于广义似然比检验，使用两步法，推导了一种新的复合高斯杂波中距离分布目标的极化自适应检测器，并推导出了检测器的虚警概率表达式。

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New approach to radar target identification using a generalized likelihood ratio test

一种基于广义似然比检测的雷达目标识别新方法

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Generalized Likelihood Ratio Detector for Airborne MIMO Radars

机载MIMO雷达广义最大似然检测器

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In this paper, a clear expression of the null distribution function of the likelihood ratio test statistics U that is considered by Hawkins ( 1977) is derived when σ 2 is known. The numerical tables of the distribution funtion are given.

本文对σ~2为已知的情况，导出了由Hawkins（1977）提出的似然比检验统计量U的简明且便于计算的分布函数表达式，并建立了分布函数的数值表。

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We proposed a Pseudo likelihood ratio test statistic and obtained the limiting distribution under null hypothesis.

提出一种拟似然比检验统计量，并在原假设下给出统计量的极限分布。

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Calculation of Performance Margins of Optimum Likelihood Ratio Detector

理想似然比检测器性能边界的计算

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The sensitivity, accuracy, and positive likelihood ratio of MR diagnosis of vascular compression or contact was 94%, 83%, and 1.88, respectively.

根据手术结果，MR诊断面肌抽搐及三叉神经痛患者神经血管压迫或接触的敏感度为94%，准确度为83%，阳性似然比为188。

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Likelihood Ratio Test of the Lognormal Population

的平均比差值（？）对数正态总体的似然比检验

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In the paper it is shown that in isotropical noise field acoustic energy flux is maximum likelihood ratio detector, its direction is maximum likelihood estimation of source direction.

本文证明在各向同性噪声场中声能流是最大似然比检测量，声能流方向是声源方位的最大似然估计；

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The likelihood ratio ( LR) detector structures when the clutter steady component is coherent and noncoherent are developed respectively.

导出了杂波稳定分量相干及不相干时的似然比（LR）检测器的结构。

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Comparing with conventional function based on generalized likelihood ratio, the new one considers estimate error in fused target position, which is more accurate to reflect the relationship between measurements and targets.

与传统的基于广义似然比的代价函数不同，改进的代价函数在计算中融入了目标位置的估计方差，能够更加准确地反映量测与目标之间的相关程度。

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An optimal log likelihood ratio ( LLR ) ordering algorithm used in the tree search algorithm is presented.

提出了树搜索算法中基于对数似然比信息的排序算法,给出了使用对数似然比信息排序的一般公式.

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For any information source on a countable set, the limit properties of relative likelihood ratio and log-likelihood ratio of entropy density with respect to the independent geometry distribution, an important problem in the information theory is discussed.

对任意的可列集上的信息源，探讨信息论的-个重要问题，即探讨了相对于独立型几何分布的熵密度似然比与对数似然比的极限性质。

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A De-nosing Algorithm of Power Quality Signals Based on Decision Criterion of Likelihood Ratio

基于似然比判决准则的电能质量去噪算法

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Hierarchical likelihood ratio tests show that GTR+ I+ G can be the best evolutionary model for the dataset.

等级制似然比检验表明该数据集的最佳进化模型为GTR+I+G。

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For a life data X, whether it comes from the censoring exponential distribution or the censoring normal distribution, it can use the likelihood ratio test to make a decision.

对给定的寿命试验数据X，利用似然比检验法可对该数据是来自截尾指数分布还是截尾正态分布进行判别，但却很难求出似然统计量的分布形式。

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