查询词典 sequential likelihood ratio test

Thirdly, the maximum-likelihood CFO estimation algorithms based on null-subcarrier are investigated, and it is shown that the maximum-likelihood CFO estimation algorithm based on equispaced null-subcarriers is equivalent to the CFO estimation algorithm utilizing the correlation of repeated training sequences.

进一步分析了在频率选择性衰落信道下，空载波和信道零点的数目与位置对基于空子载波的载波频偏估计算法可辨识性的影响。

Thirdly, the maximum-likelihood CFO estimation algorithms based on null-subcarrier are investigated, and it is shown that the maximum-likelihood CFO estimation algorithm based on equispaced null-subcarriers is equivalent to the CFO estimation algorithm utilizing the correlation of repeated training sequences.

提出了两种基于时域相关峰值检测的同步估计改进算法：1）采用一个OFDM符号做为训练序列，在接收端进行差分相关以解决时间度量函数中出现的平台效应。

At the fourth part of this dissertation, maximum likelihood blind channel estimation methods are described briefly, including general Markov Chain Monte Carlo based joint channel estimation and symbol detection method and finite alphabet set based maximum likelihood method in SIMO-OFDM systems.

在本文的第四部分，简单介绍了最大似然信道估计方法，包括一般意义上的MCMC联合信道估计与符号检测方法，以及SIMO-OFDM系统中基于有限字符集的最大似然方法。

Firstly, the maximum likelihood criterion is employed to model the multi-view tracking problem. Then, the likelihood function is factorized based on the conditional independent assumptions. Finally, the estimation of the target location in each camera view is obtained by using an efficient message passing mechanism. In our algorithm, image data from all cameras no longer need to be transmitted to and processed by a central unit.

该算法首先利用最大似然准则对多视角目标跟踪问题进行建模，并对似然函数进行分解，最后借助消息传递机制高效求解出跟踪目标在各个摄像机视野中位置的估计值，而不再需要将图像数据传输到中央处理单元进行集中式处理。

Firstly, the maximum likelihood criterion is employed to model the multi-view tracking problem. Then, the likelihood function is factorized based on the conditional independent assumptions.

该算法首先利用最大似然准则对多视角目标跟踪问题进行建模，并对似然函数进行分解，最后借助消息传递机制高效求解出跟踪目标在各个摄像机视野中位置的估计值，而不再需要将图像数据传输到中央处理单元进行集中式处理。

In an event history model, text data from 386 disputes between eBay buyers and sellers indicated a higher likelihood of settlement when face was affirmed by provision of a causal account and a lower likelihood of settlement when face was attacked by expression of negative emotions or making commands.

在事件历史模型中，来自于 eBay386对买家和卖主之间纠纷的文本数据表明了当所提供原因的说明维护了面子时，纠纷解决的可能性更高；当负面情绪的表达与言辞伤害了面子时，纠纷解决的可能性会比较低。

In the training of HMM, referring to the auxiliary function in reference〓, and the method in reference〓 to get the estimations of the parameters of Markov chain, we define the likelihood function and auxiliary function for the maximum likelihood estimation of CDHMM, and then induce systematically the forward-backward algorithm and the re-estimation formulas for parameters of CDHMM.

在HMM的建模方面，本文借鉴文献〓中求多变量观测值马尔可夫链参数时辅助函数的选取方法，定义了CDHMM的似然函数和辅助函数；借鉴文献〓中求解马尔可夫链参数时的求偏导方法，并针对本文辅助函数加以简化和改进，系统地推导了HMM的前向—后向算法，以及CDHMM各参数的极大似然估计公式。

A novel approach for abnormal work condition recognition of internal combustion engine valve drain by monitoring vibration is proposed based on multivariate state estimation techniques and sequential probability ratio test.

提出了一种基于多元状态估计(Multivariate State Estimation Techniques， MSET)和序贯概率比检验(Sequential Probability Ratio Test， SPRT)的内燃机气阀机构振动监测方法。

The paper presents a new detection method of abrupt change based on extended sequential probability ratio test innovation process.

在ESPRT检测方法的基础上，结合新息过程给出了一种新的变点检测方法。

Sequential probability ratio test is put forward to detect and locate small leakage.

针对小泄漏信号的检测，提出了序贯概率比检验的统计决策方法。

Must have Coordination and negotiation skill, flexible ideas, and be punctilious person.

必须具备较好的协调与谈判能力，头脑灵活，工作认真仔细

Result: 18 patients are all with simple eye.The pigment mole lies in nasal and temple sides of the ball conjunctiva,in which 2 lie in lacrimal caruncle and semilunar plica.

结果：18例患者均为单眼，色素痣大多数位于内外侧睑裂部球结膜面，2例位于泪阜及半月皱襞，经激光治疗后，10例色素痣消失，有5例行再次激光后消失，2例行第三次激光后消失，1例第四次激光后消失。