参数估计

Under the condition of point target background, the rotation parameter and precession parameter can be estimated effectively.

参数估计误差的理论分析表明，基于几何特征分析的运动估计不存在算法误差。

Second, we obtain the bayes estimators of the loss function and risk function based on the conjugate prior distribution for ...

其次在共轭先验分布下给出了Weibull分布参数估计的损失函数和风险函数的贝叶斯估计，并讨论了它们的保守性和合理性。

In this model, the number of introduced fault and debugged fault is considered to be random variable,and the new model is used to estimate software reliability measures.

最后本文应用文献[33]中介绍的EM算法于NHPP类模型的参数估计，以提高估计的精度，从而提高软件可靠性分析的精确程度。

Based on filtering theory, a residual life predict model is set up according to condition information, and a general formula of parameter estimation is deduced using maximum likelihood estimation, thus, when the life distributing of an equipment is known, the model can be rapidly educed by taking the distribution into the formula is educed, and its residual life can be predicted without complex iterative process is predicted.

利用滤波理论，建立了基于状态信息的剩余寿命预测通用模型，并推导出采用极大似然估计法下参数估计的通式，使得在已知寿命服从其他任何分布形式时直接代入通式便可快速地得出其模型，从而预测其剩余寿命，省去了复杂繁琐的迭代过程。

The difference between an estimate and the true value of the parameter being estimated is called the sampling error.

之间的一项估计，真正的参数估计值的差额被称为抽样误差。

Estimation of spectral densities for single and multiple time series. Nonparametric estimation of spectral density, cross-spectral density, and coherency for stationary time series, real and complex spectrum techniques.

时间序列谱分析：单个和多个时间序列的谱密度估计，谱密度的非参数估计，交叉谱密度，静态时间序列的一致性，实时和复杂的谱技术，双频谱Bispectrum。

Based on the theory of generalized estimating equations, this thesisstudies the parameter estimation in several statistical models for longitudinal data.

本文基于广义估计方程的理论研究了纵向数据下几类统计模型的参数估计问题。

The new learning algorithm and theory are based on alternating Updating principle between hidden viable structure of field organization transformation and the parameter of field action transformation.

提出了基于场组织变换结构表示的估计与场反应变换参数估计交替结合的学习理论和算法。

It is proved that by the LS algorithm, the parameter estimated is asympototically unbiased, and a consistent estimate of true value.

并证明了本文提出的LS算法的参数估计是其真值的一致，无偏估计。

Key words: probability and symbolic statistics; linear model; parameter estimate; best linear unbiased estimate

关键 词：概率论与数理统计；线性模型；参数估计；最佳线性无偏估计

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。