查询词典 inconsistent estimator

To explain the computable of correlated noise attenuation by wavelet analysis; to give adaptive wavelet shrinkage algorithm on basis of threshold. We discuss three thresholds'choice; namely eigenvalue, unbiased risk estimator and hitograph method. We give comesponding experiments'analysis and comparison. It shows that our method is reliable.

阐述了小波分析去相关噪声的可行性；给出了基于阀值的自适应小波收缩法，讨论了三种阀值的选取；论述了特征值法，无偏的风险估计与直方图法，给出了相应的实验分析与比较，说明了该方法是可行的。

Necessary and sufficient conditions for equalities between a 2 y′y and minimum norm quadratic unbiased estimator of variance under the general linear model, where a 2 is a known positive number, are derived.

给出了一般线性模型下方差的最小范数二次无偏估计相等的充要条件，并且当高斯马尔可夫估计与最小二乘估计相等时，获得了一个相对简单的条件，最后给出此条件应用于抽样调查的一个例子。

In this paper,the author analyzes the shortcomings of the traditional method of the sta-tistical treatment of radar data for the accuracy evaluation by flying and derives an unbiased estimator s and its accuracy estimating formula of standard deviation σunder the limited distribution startig from Bessel s formula.

分析了传统雷达精度校飞数据统计处理方法的缺陷，并从Bessel公式出发，导出了σ在极限分布下的无偏估计量S′及其精度估计公式，进而提出了雷达校飞数据统计处理的改进方法，最后给出了一个计算实例。

By means of combinatin of unscented transformation and best linear unbiased filter, a new filter named unscented transformation-best linear unbiased estimator filter was proposed to solve the above nonlinear tracking problem.

通过将无迹变换与最优线性无偏滤波器有机结合，提出一种新的BLUE滤波算法，以便解决上述非线性跟踪问题。

Unbiasedness is the property of an estimator, that is, the procedure that can produce an estimate for a specific sample, not an estimate.

估计量是一种方法，该方法使得给定一个样本，我们可以得到一组估计值。

Large deviation principle; kernel density estimator; concentration inequality; Markov processes; uniformly integrable operators

基础科学，数学，概率论、数理统计大偏差原理；核密度估计量；集中不等式；马氏过程；一致可积算子

The experimental results indicate that the clustering-based estimator can correctly predict the unmeasured outputs.

由实验结果知，本文所提出的聚类式估测器可正确的预测出未测量点的输出值。

Induction motors ; speed sensorless ; vector control ; rotor flux estimator ; voltage model

感应电机；无速度传感器；矢量控制；转子磁链观测器；电压模型

The paper advanced the distance expansion model to polycentric distance model and the estimator.

三、论文创新之处论文的主要创新之处如下： 1。

The curve of diameter distribution was showed J shape in Swietenia macrophylla pure stand and Dimocarpus longan pure stand. We used maximum likelihood method and percentile estimator method to analysis stand structure.

纯林之直径分布中，桃花心木林与龙眼林林分其直径分布呈现倒J型分布；柚木、摩鹿加合欢、相思树林、苦楝林型其直径分布呈现复合型分布；黑板树林型及白鸡油林型为左偏态分布。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。