参数估计

All the local 3D world coordinates of the control points falling on two light stripe planes can be readily obtained by the invariance of the cross ratio.

利用构建的分别位于两个光平面上标定特征点，可以实现工作状态的十字结构光传感器参数的优化估计。

The characteristic of higher-order cumulant is insensitive to Gaussian colored noise.

对故障信号进行傅立叶变换是我们常用的非参数化功率谱估计方法。

Based on higher-order cumulant of the received data of array, we discuss theproblem of joint parameter estimation of near-field signal sources.

研究了基于阵列接收数据的高阶累积量的近场信号源参数联合估计问题。

The technique of parameters normalization based on piecewise estimating the cumulative distribution function is performed in this paper. In this way the non-Gaussianity in the means of the cumulative distribution of Mel-cepstral parameters is decreased. Thus GMMs with fewer mixtures could model them precisely.

本文提出了一种基于分段估计概率分布函数的规整方法，在概率分布的意义上降低特征参数偏离高斯分布的程度，从而可以用较低混合度的高斯混合模型对其建模。

In this paper a modified centroid coincidence theorem and a motion parameter decomposition theorem are introduced,which degenerate it into a pure rotation problem with only 3 degrees of freedom.

最优运动估计本质上是6自由度的非线性问题，本文提出推广的质心重合定理和运动参数分解定理，将其简化成3自由度的纯旋转问题。

This dissertation has conducted some information superiority oriented research focusing on some key technologies such as information acquiring, object recognition, situation assessment, threat assessment, target assignment, effectiveness evaluation of C~4ISR system, effectiveness evaluation of NCW in cognitive domain and so on. The main research and devotement of this dissertation are listed as follows: 1. Based on the analysis of physical meaning and campaign course of Lanchester linear law, we proposed a model reflecting the impact of surveillance and reconnaissance on force attrition. The model also discussed the effect of asymmetry information on the outcome of the battle, and conquered the disadvantage of Lanchester equation in modeling C~4ISR system.

本文面向信息优势对C~4ISR系统的信息获取、目标识别、态势评估、威胁估计、武器分配、效能评价以及网络中心战等关键技术进行深入研究，取得了一些创新性成果：(1)通过对Lanchester线性率中各参数物理意义及作战过程的分析，建立了反映侦察和监视效果的兵力消耗过程模型，并引入博弈论分析了战场上信息的不对称对交战结果的影响，克服了描述C~4ISR系统的Lanchester方程没有考虑作战单元、对手和环境间的动态交互以及数学结构简单的缺点。

In the proposed method the data from state estimation or power flows during larger time interval is used to calculate nodal voltages and the initial value of current transitive-relationship matrix; the variation of diagonal elements of this matrix reflects the variations of the detailed models of system components, network topology and parameters after the perturbation, then by use of the PMU measured data in millisecond level the primary diagonal element can be modified.

该方法采用时间间隔较大的状态估计或潮流数据计算节点电压和电流传递关系矩阵的初值，并利用该矩阵主对角元的变化反映受扰后系统各元件的详细模型、网络拓扑和参数的改变，然后使用相量测量单元毫秒级的量测数据对其进行修正，从而为在实际应用中将相量测量单元与SCADA系统相结合做出了有益探索。

Appling nonlinear feedback with estimated parameters and state diffeomorphism, Based on the Lyapunov approach we can develop a kind of novel robust controller designed for a class of nonlinear systems with mismatched uncertainty.

针对反馈可线性化系统，利用含估计参数的非线性反馈及状态微分同胚，基于李亚普诺夫方法给出了含非匹配不确定性系统的新型鲁棒控制器的设计方案。

The modeling of GM (1,1) model is to gain difference equation by dispersing albinism differential equation, then to estimate model parameters by the difference equation.

GM(1，1)模型的建模过程是由白化微分方程离散化得到差分方程，再由该差分方程估计模型参数。

We estimate the parameter with least square method according to the difference equation

我们根据差分方程用最小二乘法来估计参数。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新