参数估计

Chapter 5 is focused on the studies on the equivalent conditions for maximum value convergence of sums of independent random matrix sequences, and the sufficiency condition of the strong consistency of M estimator of regression parametric in linear model for negatively associate samples, thus enriching and strengthening the results of a series of papers.

第五章得到了独立阵列和的最大值完全收敛的等价条件，从而丰富和强化了前人的一系列结果。获得了负相关样本线性模型中回归参数M估计是强相合的较弱的充分条件。

In the second part , also under NA assumption, we worked on the consistency of kernel estimator of regression function in the nonparametric regression model Y_i =g+ε_i.

第二部分：我们研究了样本为NA相依的情况下，非参数回归模型Y_i=g+ε_ii=1，2，…，n中，回归函数核估计的强，弱相合性。

The main contents is: analyzing some detection method to moving target nowadays; particular studying the principle of detection moving target in SAR; analyzing SAR imaging theory and the echo model of moving target; discussing conventional SAR imaging , the movements of target cause the changes of doppler mass center and regulable frequency, and the changes cause effect the imaging result; introducing the estimation method of doppler parameter; analyzing theory of DPCA, derivating the formula needed, and validating it's validity and practicability through simulation; advancing the improved DPCA algorithm that combine the advantage of DPCA and ATI, and validating it through computer simulation; using the revision algorithm to range ambulate based on keystone transformation, and validating it through computer simulation; discussing the compensation art of SAR imaging.

主要内容有：分析了现有的一些动目标的检测方法；详细研究了SAR动目标检测的原理；分析了SAR成像理论和运动目标的回波模型；探讨常规SAR成像时，目标运动引起的多普勒质心和调频率变化，以及这些变化对成像结果的影响；介绍了多普勒参数的估计方法；分析了DPCA原理，推导所需要的基本公式，并仿真验证其有效性和实用性；提出了结合DPCA和ATI优点的改进DPCA算法，并仿真验证；探讨了SAR成像中的运动补偿技术。通过对仿真结果的分析，本文提出的方法具有一定的指导意义和参考价值。

The image formation model is introduced,then a motion estimation algorithm is proposed,and total variation is chosen to regularize the ill-posed problem.

建立了超分辨率图像重建的数学模型，估计出场景在观测图像中的运动参数，选择总变分规整化克服问题的病态性得到重建结果。

Newton's method; Riemannian manifold; Smale's point estimate theory; section of a vector bundle; geodesic; Lie group; one-parameter subgroup

基础科学，数学，几何、拓扑Newton法； Riemann流形； Smale点估计理论；向量丛的截面；测地线；李群；单参数子群

We analyzed the question that Auto-Regressive Moving Average modal with fixed parameters predicts network Round-trip time. And put foreword estimating with timing parameter auto-adapted line regression modal based most entropy.

分析了固定参数的自回归滑动平均模型预测网络来回传输时延存在的问题，提出采用基于最大熵的时变系数自适应线性回归模型进行估计。

The purpose of study is to choose the optimal submodel that can fit well all the effects in RRM according to compared with all statistical criteria and behavior of estimated parameter.

本研究的主要目的是通过不同统计标准和估计参数行为的比较，筛选出拟合随机回归模型中各种效应的最佳子模型。

MethodsWe chose a sample schedule thatminimized the variance of the parameter estimates and the error in reconstructing the plasma insulin profile, trying toreduce the total number of samples of MMT from 30 to 12 or 10 and the time of MMT from 3 hours to 2 hours.

目的 为克服经典的最小模型技术样本数太多(30个)、历时太长(3小时)的缺陷，以减少样本数所获得的信息对估计参数和重建胰岛素曲线的误差降至最小范围。

Now we know that the sampling distribution of our estimate is centered around the true parameter.

现在我们知道估计值的样本分布是以真实参数为中心的。

The so-called relay linear unbiased estimationmethod for theestimation of the scale parameter of the logistic distribution is considered.

本文对Logistic尺度参数还考虑了被称作接力线性无偏估计的方法。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐