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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。

Likelihood ratio rule is often used in target detection.

似然比门限检验是经常采用的一种目标信号检测方法。

It is proved that likelihood ratio rule is also true in multiple-sensor central detection.

本文从理论上证明了多传感器集中式判决仍然具有似然比判决的形式。

Based on region segmentation, this paper adapt a new change detection technique that make use of region likelihood ratio.

针对传统基于像素的变化检测方法受speckle噪声影响严重的问题，在区域分割的基础上，提出似然比检测的方法，获得了良好的检测结果。

Furthermore, the fault diagnosis strategy and realization flow are presented by joint estimation and likelihood ratio methods.

在此基础上，给出了基于联合估计和似然比策略实现故障诊断的方法和流程。

The method based on likelihood ratio could fuse the information from different sources so as to make a reasonable decision output.

基于似然比的方法能够有效完成信息融合，从而给出合理的决策结论。

A novel ICA blind detection algorithm based on nonparametric likelihood ratio criterionr is improved.

提出了基于非参数似然比准则的盲多用户算法。

The purpose of the paper is to develop an empirical Bayes process monitoring technique for manufacturing categorical data utilizing the likelihood ratio method.

本篇论文的目的是对於制程中的类别资料利用概似比的方法发展一个经验贝氏。

The Sensitivity of E determination is high, especially in high-risk group, the Positive likelihood ratio is 7.0 and its precision is much better.

E测定敏感度较高，尤其高危人群中应用时，其阳性似然比为7.0，精确性比较好。

The sea's golden eyes fall into ranks, each rank pursued by the next, each angrier than the last and deepening to blood-red as they stretch to the golden line of the horizon.

而这些海的跳跃着的金眼睛重重叠叠一排接一排，一排怒似一排，一排比一排浓溢着血色的赤，连到天边，成为绀金色的一抹。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。