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maximum likelihood     
相关语句
  极大似然
     By observing the diffusion process X(t) which satisfies the following equation: dX(t)=b(X(t),θ)dt+dW(t),X(0)=x_0,t≥0,the maximum likelihood estimator _t about the parameter θ in the drift coefficient (b(X(t),θ)) is given.
     通过对满足随机微分方程dX(t)=b(X(t),θ)dt+dW(t),X(0)=x0,t≥0的扩散过程X(t)的连续观察,对漂移系数b(X(t),θ)中的参数θ提出了极大似然估计θt;
短句来源
     Maximum likelihood estimators for λ1,λ2 ,λ3and their asymptotic properties are given,and some asymptotic test procedures forλ1,λ2 and λ3 are derived.
     文中给出了参数λ1,λ2,λ3的极大似然估计并讨论了它们的渐近性质,还得到了若干关于参数λ1,λ2和λ3的假设的渐近检验程序。
短句来源
     Maximum Likelihood Analysis for Mapping Dynamic Trait QTL in F_2 Population
     F_2群体动态性状基因定位的极大似然分析
短句来源
     The maximum likelihood estimation value of DN800,DN700,DN600 are 0.31,0.28 and 0.24 in turn,and the confidence interval are respectively 0.24~0.38,0.23~0.33 and 0.22~0.26.The data can be used for engineering design in central heating.
     DN800、DN700、DN600等规格的摩擦系数极大似然估计值依次为0.31、0.28、0.24; 置信区间依次为0.24~0.38、0.23~0.33、0.22~0.26。
短句来源
     Three methods:Modified Covariance Method (MCOV),Recursive Maximum Likelihood Estimator (RMLE) and Burg Method are used to solve AR parameters and compared the influence to recovered spectrum from AR order,signal-to-noise ratio.
     采用三种方法:修正协方差法MCOV(Modified Covariance Method)、递推极大似然估计法RMLE(Recursive Maximum Likelihood Estimator)和伯格法(Burg Method)求解线型优化最大熵线性预测方法中的自回归模型系数,并且在不同求解方法情况下,将阶次、信噪比对光谱复原的影响作了详尽的比较.
短句来源
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  最大似然
     Vrarance and covarance components were estimated by a restricted maximum likelihood (REML)approach for the 6 traits, and heritability estimates of which were 0.24, 0.215, 0.29,0.48 and 0.36 resp.
     用约束最大似然估计法(REML:Restricted maximum likelihood)估计方差组分,得到以上6性状的遗传力分别为0.24,0.215,0.29,0.48和0.36。
短句来源
     For 2 p-multiple normal populations with unknown mean vector θ i and unknown covariance matrix ∧ i, i=1, 2, assume that there are some order restrictions among the mean vectors and covariance matrices respectively, for example, simple order restrictions: θ 1≤θ 2 and ∧ 1≥∧ 2>0. Some properties of maximum likelihood estimations of θ is and ∧ is are discussed and some results are obtained.
     对给定2个P维正态总体,未知均值和协方差阵分别为θi和∧i,i=1、2,本文考虑均值和协方差阵之间都有一个简单半序约束:θ1≤θ2,∧1≥∧2>0的条件下的估计问题,讨论θi和∧i的最大似然估计的性质,并得到一些结果
短句来源
     Firstly, the algorithms for estimating carrier phase and timing phase jointly based on maximum likelihood criterion and high sampling rate are studied.
     首先研究了基于最大似然准则的载波相位与定时相位联合估计算法。 接着研究了基于高样点速率的载波相位与定时相位联合估计算法。
短句来源
     This paper considers the estimating and testing problem of odds ratios for k 2×2 cross-classification tables under ψ 1≤ψ 2≤…≤ψ k , and give an algorithm to obtain the MLE. It also proves that the maximum likelihood ratio test under ψ 1=ψ 2=…=ψ k is χ -2 .
     讨论了关于k个2×2表的优比在约束条件ψ1≤ψ2≤…≤ψk下的估计问题和检验问题,给出了计算MLE的算法,证明了在ψ1=ψ2=…=ψk下,最大似然比统计量的渐近分布为加权χ2-分布
短句来源
     The paper proposes an alogorithm for a maximum likelihood estimation when covariance matrices are under the condition of one simple partly ordered restriction, i.e, 0<∧ 1≤∧ 2≤…≤∧ i .
     本文给出协方差阵在一个简单半序约束0<∧1≤∧2≤…≤∧k的条件下的最大似然估计的一种算法。
短句来源
更多       
  最大似然法
     Maximum likelihood classifier (MLC) is the most used and effective classification method.
     最大似然法分是常规遥感图像最常用、最有效的分类方法。
短句来源
     The study indicated that: the overall accuracy and Kappacoefficient of the maximum likelihood are 88.8095% and 0.8462 respectively if combining of TM 5,4,3 bands of August 14, 2003 and May 28, 2004;
     研究表明:分别将2003年8月14日和2004年5月28日的TM影像的5、4、3波段进行重组,其最大似然法分类的总精度可达到88.8095%,Kappa系数达0.8462;
短句来源
     The study shows that the overall accuracy of maximum likelihood is about 84.89%, and Kappa Coefficient = 0.74, while overall accuracy of binary encoding , neural net and spectral angle mapping is 87.12%,88.75%,90.41% respectively.
     研究发现:最大似然法分类精度低,整体精度为84.89%,而二进制编码、神经网络分类和光谱角分类方法精度较高,整体精度分别为87.12%,88.75%,90.41%。
短句来源
     MAXIMUM LIKELIHOOD METHOD FOR MEASURING P-S-N CURVE
     P-S-N曲线测定的最大似然法
短句来源
     Result Segregation ratios were 25.372±0.127% for U×U mating type and 23.839±0.732% for U×A mating type thr ough maximum likelihood estimation method. Segregation ratios were 25.1 3% for U×U mating type and 37.37% for U×A mating type through theoretical children methods.
     结果 最大似然法分析可得U×U婚配类型分离比为 2 5 .3 72±0 .1 2 7%、U×A婚配类型分离比为 2 3 .83 9± 0 .73 2 % ,可校正理论子女法可得U×U婚配类型分离比为 2 5 .1 3 %、U×A婚配类型分离比为 3 7.3 7%。
短句来源
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  极大似然法
     Iterative fitting, correlation coefficients method and maximum likelihood method were integrated to obtain the estimations of the scale, shape and position elements in the Weibull process.
     综合运用迭代拟合法、相关系数法以及极大似然法 ,给出了三参数Weibull过程强度参数、形状参数以及位置参数的点估计方法 .
短句来源
     Finding the P-S-N curve of 2D probability model by employing the method of maximum likelihood estimation
     用极大似然法求二维概率模型P-S-N曲线
短句来源
     A Unified Classical Maximum Likelihood Approach for Estimating P-S-N Curves of Three Commonly Used Fatigue Stress-Life Relations
     估计三种常用疲劳应力-寿命模型P-S-N曲线的统一经典极大似然法
短句来源
     Time-Domain Maximum Likelihood Method and its Application in the Identification of Aircraft Flying Quality Parameters
     时域极大似然法在某主控飞机等效横航向飞行品质辨识中的应用
短句来源
     Based on the modern information theory, two objective functions of the maximum likelihood method and Bayes' Method are deduced with random process and the Principle of Maximum Entropy.
     以概率与数理统计理论和现代信息理论为基础,针对目前岩土工程随机反演中常用的极大似然法和贝叶斯法,从随机过程入手,应用最大熵原理推导了这两种方法的准则函数.
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  maximum likelihood
The relative efficiencies of moment estimators as compared with the maximum likelihood and the stepwise estimators are computed.
      
Generalized Maximum Likelihood Algorithm for Direction-of-Arrival Estimation of Coherent Sources
      
The generalized maximum likelihood (GML) algorithm for direction-of-arrival estimation is proposed.
      
Secondly, the comparison between the GML algorithm and the conventional deterministic maximum likelihood (DML) algorithm is presented based on their respective geometrical interpretation.
      
In this article, we developed a new algorithm for eigenspace-based adaptation restricting eigenvoices in clustered subspaces, and maximum likelihood (ML) criterion was replaced with maximum aposteriori (MAP) criterion for better parameter estimation.
      
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