查询词典 likelihood ratio test

The likelihood ratio criterion of sphericity test, its asymptotic expansion and limiting distribution are obtained.

第二部分：考虑广义球形检验问题。论文得到了这个问题的检验准则，并给出了它的渐进展开。

Although the frequency of the B allele was much lower than that of the A allele, likelihood ratio test showed that the gene frequencies were in Hardy-Weinberg equilibrium.

群体中B等位基因的频率很低，但似然比检验结果显示群体的基因频率处于哈代-温伯格连锁平衡状态。

On the other hand, IPIX real-life data are used to verify the effectiveness of the theories and methods.The limitation that small and weak targets within sea clutter are difficult to be detected by statistical model and likelihood ratio test is analyzed in this paper.

在研究中注重将理论研究和实证研究相结合，一方面采用最新的非线性理论对海杂波进行分析和研究，另一方面结合IPIX雷达实测数据来检验海杂波处理和弱小目标检测方法的有效性。

The combination of Generalized Likelihood Ratio Test and Antenna Selection is applied to Unitarysignal transmission system, and antenna selection and signal detection do not require Channel State Information.

摘要该文提出了多天线传输系统的非相干天线选择算法，将广义似然比检验与天线选择结合应用于U码传输系统，天线选择和信号检测无需信道状态信息。

According to the model,a generalized likelihood ratio test rule was developed for the target identification,and then the analytical expression to calculate the target identification performance was theoretically given.

为了实现发射周期内目标的实时识别，首先建立了E脉冲激励下目标回波的二元假设检验模型，在此基础上导出了识别目标的广义似然比检测量，并从理论上给出了计算目标识别概率的解析表达式。

In the mixture of particle filters, the existence of each tracked target is detected by using the sequential likelihood ratio test estimated by the output of the component particle filter.

在混合粒子滤波器中，利用每个分量粒子滤波器的输出信息，根据序列似然比假设检验，检测每个被跟踪目标的存在性。

R and S type LTSs are proposed.It is proved that the optimal distributed CFAR detection based on the above two LTSs in NP sense is in form of likelihood ratio test.

提出了R类和S类局部检测统计量，证明了基于这两种局部检测统计量的在NP意义上的最优分布式CFAR检测具有似然比检验形式。

Based on the study of Likelihood Ratio Test voice activity detection algorithm and discussion about decision-directed LRT and smoothed LRT voice activity detection algorithms, we proposed a novel voice activity detection algorithm for improving speech detection robustness in noisy environments.

深入研究了基于似然比测试的语音激活检测算法，并对基于直接决策似然比测试的语音激活检测算法和基于平滑似然比测试的语音激活检测算法进行了讨论。

By applying generalized likelihood ratio test, This paper gives the detector of polynomial phase signal with unknown parameters. The detector is optimal in Neyman-Pearson sense.

根据Neyman-Pearson准则，利用广义似然比检验方法，给出了未知参数多项式相位信号的最优检测器。

And on the basis of discrete method, the paper has constructed a mode choice model of commuter, and the paper has discussed the statistic characteristics of the model from four aspects: Significance test of the variable, model unlikelihood ratio test, Likelihood Ration Index, hit ratio.

从变量的显著性检验、模型似然比检验、优度比指标、命中率四个方面，对模型的统计特性进行分析。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷