参数估计

This paper make a review about the history and development in the theory of admissibility estimation in linear model and Variance Component Model.

本文综述了线性模型中参数估计的可容许性理论的历史及近年来的发展，同时也提出了一些待解决的问题。

The existence of mutual coupling in a planar array mutual coupling parameter estimation methods.

详细说明：存在互耦的平面阵的一种互耦参数估计方法。

This method can model for non-Gaussian signal and inhibit Gaussian color observation noise due to it do not use the autocorrelation function.

数值仿真结果表明，CEAVOS的性能优于现有的性能最好的两种MA参数估计方法。

Methods: Using the time series of cucumber downy mildew disease, we established an autoregressive integrated moving average model, ARIMA(2,2,0) based on model identification, comparison of residual variance, estimation and verification of parameter, observation of the correlation of the estimates matrix, autocorrelation check of the residuals, analysis of the fitting of model and so on.

采用黄瓜霜霉病病情指数时间序列进行研究，通过模型识别、残差方差比较、参数估计及其检验、观察参数之间相关系数矩阵、白噪声检验、模型的拟合度分析等过程。

In order to predict and control the traction trafficability of a lunar rover, an algorithm for mechanical parameters estimation of lunar soil basing on linear-least squares method was presented, two key mechanical parameters, cohesion and internal friction angle were reversely estimated.

为了预测月球车的牵引力并进行牵引控制，提出了一种基于线性最小二乘法的月壤力学参数估计算法，对内聚力和内摩擦角这两个关键的月壤力学参数进行反求。

A kind of uncoupled ,variation parameter and chaotic synchronization method is suggested for anti-attack of phase space reconstruction and parameter estimation.

为有效抵御相空间重构和参数估计方法的攻击，提出了一种变参数，非耦合的混沌同步方法。

The method for parameters estimation based on fractional differenced whitening filter is proposed, the essentiality of which is to find out a factor by calculating the extremum of the statistic test expression for the output.

最后提出基于该滤波器的参数估计方法，其实质是通过计算输出信号的统计测试表达式的极值获得分形参数。

In order to advance the capability of correlation signal detection method, a new method for LFM signal detection,based on the technology for ambiguity resolution of stagger repeated frequency, is proposed. Using the method, the signal in low signal-to-noise ratio can be detected very well and its parameters can be estimated more precisely too.

本文提出基于重频参差解模糊技术的信号参数估计方法，通过相位解模糊，实现了在低信噪比条件下对信号参数更有效地侦取，并对处于白噪声环境下的窄带和超宽带LFM信号进行了仿真，验证其有效性。

This algorithm is based on Ref[1,2] and perfectly improves the method for choosing forgetting factor, and in the algorithm the auto-regulation factor is introduced so as to cope with parameter estimation of fast time varying systems such as missile control system, etc., Digital simulation results show that this algorithm is satisfactory for identifying the parameters which change in the form of some typical functions (e.g., exponential, slide, step, sine, square or their combination).

这种方法主要是在文献 [1，2]的基础上改进了遗忘因子的选取方法，引入了自动调整遗忘因子，以适应导弹控制系统等快速时变系统的参数估计要求。数字仿真结果表明，这种辨识方法对于诸如参数的指数变化、斜坡变化、阶跃变化、正弦变化、方波变化以及由这些变化形式构成的混合变化，都有比较好的辨识效果。

Experimental results confirm that the performance of the discriminative back-propagation training algorithm is better than that of the traditional re-estimation training algorithm based on maximum likelihood and maximum mutual information.

实验表明，基于HMM的反向传播训练算法的手写体汉字识别器的性能要优于基于传统的Baum-Welch参数估计方法和基于最大互信息准则的HMM参数重估算法的汉字识别器。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。