查询词典 likelihood

Firstly, by using the theory of the likelihood ratio test, a method of likelihood ratio test for choosing prior distributions and classes of prior distribution is given.

主要内容如下：首先，利用似然比检验原理给出了选取先验分布及先验分布族的似然比检验方法。

The effect and variation of major gene are estimated by the maximum likelihood method implemented via expectation-maximization algorithm. Major gene is tested with the likelihood ratio test statistic.

该方法以EM算法实现的极大似然估计方法进行主基因的效应估计，以似然比统计量进行主基因的各种遗传假设检验。

The results from the research show that the shifted likelihood ratio order is analogous to the likelihood ratio order in the property.

从我们得到的结果可以看到，移位似然比序有着和似然比序相类似的一些性质。

E. the up likelihood ratio order and the down likelihood ratio order.

这篇博士学位论文主要研究随机序及其它们的应用。

Our new model can avoid the contingent of unboundedness of the maximum likelihood function and excessive sensitivity of the maximum likelihood estimator to outliers, showing more robustness.

新模型可以克服似然函数可能出现无界的现象，在计算上有更好的鲁棒性。

Because the value estimated of reliability characteristic parameters has large error when the number of failure data is fewer by using maximum likelihood estimator, a modified maximum likelihood estimator has been put forward.

本文研究了环境温度、接触压力及电负载对继电器接触可靠性的影响，研究了继电器在常用负载—低电平和中等负载下发生接触失效的机理。

A Special Maximum Likelihood method for building mathematical models in dynamic calibration is proposed, which is a kind of maximum likelihood method with a special noise model.

提出了误差估计表达式以及在带宽有限测量假设条件下，辨识离散时间模型时，采样频率的选择与模型辨识误差的关系。

To overcome the local optimal problem existing in some maximum likelihood DOA estimation algorithms, improve the estimation accuracy, a global optimal solution of nonlinear maximum likelihood DOA estimation is obtained by real-valued genetic algorithm proposed in this paper.

所提出的实数遗传算法由含实数域结构和目标函数信息的实数交叉和变异算子构成，是较理想的获取非线性实变量函数全局最优解的方法。

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这个可能暂时来说很多网站都是靠采集的，访问量还依然可观，但是假如你采集的网站都是大家都已经采过的，或者你从来没有更新过一篇是原创、是自己写、是改过文字的，那你的网站危险了，搜索引擎是知道的，互联网上现在采集的程序越来越多，越来越多的站长学会偷懒，认为找到了依靠，整天采集，可是就是不被搜索引擎收录，就是访问量上不去，可能你就是这个原因导至的，希望你就算采到内容了，就要改一改，这样搜索引擎就会认为你是原创的了。

Firstly, preprocess road image with edge operator to get the edge information, then construct a deformable template model of road contour and its likelihood function which define the fitting degree for a given group of deformable template parameters, finally genetic algorithm is used to search the global optimal value of the likelihood function to get the optimal parameter of the deformable road model.

真实场景的道路识别算法常常受到光照变化的影响，导致图像序列中道路目标的亮度值变化较大，传统基于固定阈值的方法不能很好的解决该问题，因此道路识别算法鲁棒性差，即使道路检测和识别算法在光照较为固定的场景具有较好的效果，但这样的算法很难移植到其它光照场景。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。