似然比

用似然比卡方值检验显著性强弱程度，用P值检测关联程度。

Using a likelihood ratio chi-square value the significant level , with the P value detection correlation degree .

给出了基于似然比检验（likelihoodratiotest，LRT）的最优准则。

Some optimal rules based on likelihood ratio test ( LRT ) are given .

似然比在孤立性肺结节CT定性诊断中的价值

Value of the Likelihood Ratio in the CT Qualitative Diagnosis of Solitary Pulmonary Nodules

进一步地，我们建议用经验似然比统计量来构造φn的置信区间。

Furthermore , we construct a confidence intervals for φ n by empirical likelihood method .

具有AR（1）误差的均值漂移模型的Score检验和似然比检验

Correlation Test for Mean-shift Model with AR ( 1 ) Errors

基于广义多分辨似然比的SAR图像无监督分割

Multiresolution likelihood ratio for unsupervised segmentation of SAR imagery

一种新的基于多尺度似然比检验的SAR图像分割方法

A New Approach for SAR Imagery Segmentation Based on Multiscale Likelihood Ratio Test

在高血压组，两指标联用后诊断的准确性最高，明显优于ST段标准，阳性似然比达到10.48。

The combination of two indexes diagnosed CAD most accurately in patients with hypertension .

SAR图像分割的Bootstrap广义多分辨似然比检验方法

Generalized Multiresolution Likelihood Ratio Test for SAR Imagery Segmentation with Bootstrap Sampling

一种基于非参数似然比准则的ICA盲检测算法

ICA blind detection algorithm based on nonparametric likelihood ratio criterion

该文采用最大似然比（ML）准则对方差进行了估计，从而实现了频域抑制滤波器的自动门限设制。

Maximum Likelihood ( ML ) technique is used for estimating the variance to achieve the automatic threshold setup .

EV线性模型参数的经验似然比置信区域

Empirical likelihood ratio confidence regions in EV linear model

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。

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

一种ARMA过程均值变化点的广义似然比检验

The generalized likelihood ratio test of change-point of means in an ARMA process

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

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

这种最优直方图可以根据对数似然比数据自适应地选择最优的间隔宽度，进而获得精确的EXIT函数。

The optimal histogram can adaptively adjust bin width according to the log-likelihood ratio , and then results in a precise EXIT function .

SAR图像中动目标的广义似然比快速检测饲料中六种动物源性成分多重PCR快速检测方法

Detection of moving targets in SAR images by using generalized likelihood ratio test method IDENTIFICATION OF SIX DIFFERENT ANIMAL SPECIES IN FEED BY MULTIPLEX PCR

主要观察指标：9个维度在采用单参数、双参数和三参数Logistic模型时的模型拟合指标对数似然比，拟合的χ2平均值，及模型的平均信息量。

MAIN OUTCOME MEASURES : Log-likelihood ratio , average χ 2 statistics and average volume of information when one-parameter , two-parameter and three-parameter Logistic model .

对ARMA过程均值变点检测的广义似然比检验GeneralizedLikelihoodRatioTest（GLRT）方法进行改进。

The Generalized Likelihood Ratio Test ( GLRT ) method for the detection of the change-point of the mean in ARMA process was improved .

目的：评估肺栓塞诊断策略的似然比（likelihoodratios），并通过验前概率（pretestprobability）来决定其临床应用价值。

Objective To assess the likelihood ratios of diagnostic strategies for pulmonary embolism and to determine their clinical application according to pretest probability .

该方法利用DCT变换中图像块低频能量的差异将DCT系数划分成平滑和纹理两类，并分别对这两类数据进行参数估计以实现基于最大似然比的最优检测。

The optimum detection based on the maximum likelihood is realized through the parameter estimation of two kinds of image block DCT coefficients .

VEGF阳性患者手术后死亡的相对危险度是VEGF阴性患者的2.10倍（似然比检验，P<0.05）。

The risk ratio of death was 2.10 fold of patients with VEGF positive expressed compared with those with VEGF negative expressed ( P < 0.05 ) .

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。

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 .

对于R类局部检测统计量还研究了在似然比融合和广义似然比融合条件下的性能，提出了一种估计局部观测信噪比的方法。

For the R type LTS , the likelihood ratio ( LR ) fusion and generalized likelihood ratio ( GLR ) fusion are studied . A method of estimating local SNR is proposed .

以涡轮后燃气温度T4智能传感器为研究对象，进行了分布式统计判决仿真，并与最优中心决策以及最优似然比决策作了对比分析。

Taking the low pressure turbine outlet temperature T4 smart sensor as the object , simulations have been done .

PCT和IPS的阳性似然比分别为4.24和2.27。

The Positive Likelihood Ratio ( PLR ) of PCT was better than IPS ( 4.24 versus 2.27 ) .

假设检验中NeymanPerson准则是一种基于似然比的信号分类、检测、识别方法。

Neyman_Person criterion in hypothesis testing is a method based on the probability rate for problems like classification , detection , and pattern recognition .

在翻译概率的计算中对3种常用的统计同现测度进行了比较。实验表明，当语料规模较小时，对数似然比（LogLikelihoodRatio）测度对于翻译等价对的抽取具有较好的效果。

Three statistical translation measures : Dice coefficient , Phi-Square Coefficient and Log Likelihood Ratio are compared in experiments and it is proved that Log Likelihood Ratio works better when training corpus is small .

并对其阳性结果似然比（PRLR）进行分析。

Their positive result likelihood ratio ( PRLR ) was analysed .

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。

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