estimator

['estimeitə]

估计量

例句与用法：

He is highly estimated among his colleagues.

同事们对他的评价很高。

They estimated the number of visitors at 10 million.

他们估计参观者人数为1000万。

My estimate of the length of the room was 10 feet.

我估计房间的长度为10 英尺。

词形变化：

形容词: estimative | 名词: estimator | 动词过去式: estimated | 动词过去分词: estimated | 动词现在分词: estimating | 动词第三人称单数: estimates |

n.

评价者

estimator

词形变化：

形容词: estimative | 名词: estimator | 动词过去式: estimated | 动词过去分词: estimated | 动词现在分词: estimating | 动词第三人称单数: estimates |

词义辨析：

同义参见:

counter²

estimator['estimeitə]n.1.■估计者；判断者；评价者2.■【统计学】估计量，推定值(=estimate)

1. (Statistics)a rule, method, or criterion for arriving at an estimate of the value of a parameter
   (统计)推算式
   ■a quantity used or evaluated as such an estimate
   估计量
   ■a person who estimates the price, value, number, quantity, or extent of something
   估计者；评价者
   

1. early 17th cent. (in the sense 'person who estimates'): from Latin aestimator, from aestimare (see estimate)
   

estimator

名词 estimator:

an expert at calculation (or at operating calculating machines)

同义词：calculator, reckoner, figurer, computer

estimator

■THE HIGH-ORDER AR ESTIMATOR OF ARMA SPECTRUM

ARMA谱的高阶AR估计方法

■Comparison of M-estimator and LTS Estimator in Regression.

LTS回归与M估计稳健性的比较。

■The performance of channel estimator determines the performance of the MIMO systems because of the interference between various antennas and the inter-symbol interference (ISI).

MIMO系统中,由于各天线间干扰以及码间干扰等问题的存在,信道估计性能成为影响系统性能的决定性因素。

■QI Guo-yuan,CHEN Zeng-qiang,XUE Wei,et al.A new differential state estimator and controller for nonlinear stochastic system[J].ACTA Electronica Cinica,2004,32(4):693-696.

[3]齐国元,陈增强,薛薇,等.一类新型非线性随机系统微分状态估计器和控制器[J].电子学报,2004,32(4):693-696.

■Is it possible for an estimator to be biased in finite sample but consistent in large sample?

一个估计量是否有可能在有限样本中是有偏的但又具有一致性?

■A modified channel estimator based on NRA

一种改进的基于NRA的信道估计器

■uniformly best constant risk estimator

一致最佳不变风险估计量

■In this thesis, a joint symbol timing and carrier frequency offset estimator is proposed for orthogonal frequency division multiplexing (OFDM) systems.

中文摘要本论文里，我们提出了一个应用在正交分频多工系统中的符元时间与载波频率误差估测器。

■The estimator and the project manager meet to review and discuss the estimate within 2 working days of winning the bid.

中标后2个工作日内,召开估价人和项目经理会对本次估价进行审核、讨论。

■To prove that OLS estimators are asymptotically efficient, one needs to (1) present an estimator that is consistent but its variance is larger.

为了证明OLS估计量是渐近有效的，我们需要(1)给出一致的估计量但证明它有更大的方差。

■NSB entropy and mutual information estimator; applications to the analysis of neural code.

主题：生物信息学(),信息分析(),数学(),物理

■This allows us to choose the best estimator among all, or at least a broad class of, the unbiased estimators.

了解这一点(分布的分散程度)，将对我们如何能够在所有的估计量中，或至少在无偏估计量这一类估计量中选出最优的一个具有一定的指导意义。

■This paper presents a kind of direct torque control with a stator resistance estimator for an AC motor speed-governing system based on fuzzy logic control.

介绍一种基于模糊控制理论的定子电阻辨识器的直接转矩控制交流电机调速系统。

■Also Iintroduce REQML estimator which has good properties in the model have many week instruments,and two moment estimator:MM and MMK estimator.

介绍了含有大量工具变量，且很多都比较弱的情形下性质比较好的REQML估计（随机效应拟极大似然估计），同时介绍了另外两种矩估计：MM估计，MMK估计。

■From reducing of the deviation of parameter estimation, using the partial residual and least square method, the optimal estimator of parameters and non-parameters component is derived.

从减少参数估计的偏差出发，利用偏残差法并综合最小二乘法，得到了参数和非参数分量的最优估计量。

■From the result of simulation and empirical study, the improved method and the new robust estimator are good for resisting outliers and decrease their influence greatly.

从模拟和实证的结果来看，改进后的的方法和新的稳健估计量确实能够对离群值起到很好的抵抗作用，大幅度地降低它们对计算结果的影响。

■The estimator employed a least squares algorithm in compute the magnitudes and, therefore, the onset time histories of the forces.

以一最小二乘演算法来估测其激振力的大小。

■From the estimator’s point of view, premachining takes an item that is difficult to estimate and simplifies it considerably.

估价者的观点认为，预制工艺承担了一项难以评估的项目并相当程度地简化了它。

■An estimator is a random variable

估计量是一个随机变量。

■Test of significance of estimator

估计量显著性检验

■Consistency of an estimator is an important property, but it alone does not allow us to perform statistical inference.

估计量的一致性是一条重要性质，但我们并不能只靠它来进行统计推断。

■The Bahadur representations for this quantile estimator are established in order to derive asymptotic properties of the sequential fixed-width confidence intervals estimation for quantiles.

作为副产品,获得了分位数估计近邻点的Bahadur表示定理. 这个表示定理是推导分位数固定宽度序贯置信区间估计渐近性质的重要基础.

■Impact of Source Number Estimator on DOA Accuracy

信源数目欠估计、过估计对DOA估计精度的影响

■Secondly, under the square loss, we construct the asymptotically optimal and admissible empirical Bayes estimator of the mean for normal distribution, theconvergence rate O(n~(-1)) is also obtained.

其次,在平方损失下构造了正态分布均值的渐近最优和可容许的经验Bayes估计,并得到了其收敛速度为O(n~(-1))。

■The Ratio Estimator with Known Numerator

分子已知情况下的比率估计量

■The range of CFO can be coped with, the variance of the estimator and the Cramer-Rao bound are analyzed.

分析了算法的估计范围、方差性能以及Cramer-Rao下界。

■Experiments on face recognition and spectrum pattern recognition are conducted to investigate the classification accuracy with the developed covariance matrix estimator.

利用人脸和光谱模式识别的实验，对所发展的协方差矩阵估计器进行了探索。

■A multitaper spectral estimator is built based on the minimization of a cost function.

利用最小化代价函数的方法推导了一种谱分析的多窗口。

■The skewness estimator for weighted samples is formally identical to the estimator for unweighted samples, except that the weighted counterparts of all measures it depends on are to be taken.

加权样本的偏度估算法形式上与非加权样本的相同，除了对所依赖的所有测量都使用加权的方式。

■The kurtosis estimator for weighted samples is formally identical to the estimator for unweighted samples, except that the weighted counterparts of all measures it depends on are to be taken.

加权样本的峰度估算在形式上与非加权样本是一样的，除了所依赖的所有测算都换为加权的版本。

■A second order dynamicstate estimator which incorporates the full non-linearities of the measurement function is used for the filtering step.

包括完全非线性的测量函数的二阶动态状态估计用于过滤步骤。

■Kalman filter is a linear minimum variance state estimator, and it combined array antenna and multiuser detection effectively.

卡尔曼滤波是一种线性最小方差状态估计，把它有效地结合阵列天线与多用户检测。

■Generalized Moment Estimator of Parameter

参数的广义矩法估计

■A new covariance matrix estimator is developed, and a formula for fast estimation of regularization parameters is derived.

发展了一种新的协方差矩阵估计器，导出了一个快速估计正则化参数的公式。

■The damage estimator was trained to learn the relationship among bridge coordinates, structure types, PGAs and damage levels to bridges based on the data collected from the 1999 Chi-Chi earthquake.

另外一方面，利用在921地震中所调查到的桥梁基本资料、PGA加速度以及桥梁实际破坏情形则作为训练类神经网路系统的资料。

■The new estimator has been extended to stratified double sampling and results of a computer-based random simulation study on the performance of the new estimator are reported.

同时给出新估计量的近似方差表达式。最后利用计算机随机模拟验证较正估计量对估计精度的改进。

■These two parameters of each subband coefficients are obtained by the maximum-likehood estimator.

同时采用极大似然方法进行两个参数的估计。

■So that, in RX needs a well estimator to reconstruct original signal.

因此，在接收端需要有一个良好的估测系统来还原信号。

■Under some regular conditions, a proposed estimator is proved to be asymptotically normal and convergent rate.

在一些正则条件下证明了该估计量的渐近正态性，同时给出估计量的收敛速度。

■In fact, we can choose the estimator of which the variance estimation is smaller.

在实际应用中，本文也提出了通过比较方差估计作为选取估计量的准则。

■In the situation that sample size is odd, the sample median, as the maximum likelihood estimator of location parameter, is proved to be unbiased and strongly consistent.

在样本容量为奇数的情形，证明了样本中位数作为双参数对称指数分布位置参数的极大似然估计，具有无偏性与强相合性；

■In this estimator, the ANN is to realize the mapping characteristics from dynamic resistance to spot weld mecnanical proterty.

在此估测器中，经训练的神经元网络将用于描述动态电阻曲线与焊点力学性能的映射关系。

■By assuming that the probability that poststratum size equal to zero is negiligibly small, the estimator can be justified in Bayesian terms based on an inherent superpopulation model.

在超族群模式下，经由贝氏分析可以证实估计值的合理性。

■Consistency of change-point estimator is proved and its rate of convergence is established under weak assumptions.

在较弱的条件下证明了变点估计的一致性，并得到了佑计的收敛率；

■Under suitable conditions we obtained precise asymptotic behavior of linear empirical Bayes estimator and its conditional Bayes risk.

在适当条件下,证得了线性经验Bayes估计和它的条件Bayes风险的精确渐近结构。

■In the random censorship from the right model, weak limit theorems for Bahadur Kiefer type processes based on the smoothed PL estimator and smoothed PL quantile estimator are established.

在随机右删失情况下，我们证明了基于平滑PL估计和平滑PL分位点估计的Bahadur－Kiefer型过程的弱极限定理

■Baysian DOA Estimator by Gibbs Sampling

基于Gibbs采样的贝叶斯多目标高分辨方位估计

■Based on[1],we spread from single parameter to multiparameter and prove consistency and asymptotical normality for multiparametric moment estimator based on the probability integral transformation.

基于[1]将参数的变换矩估计的相合性及渐近正态性推广到多参数情形。

■If we are presented with an estimator that is both linear and unbiased, then we know that the variance of this estimator is at least as large as that from OLS.

如果有人向我们提出一个线性无偏估计量，那我们就知道，此估计量的方差至少和OLS估计量的方差一样大。

■If table statistics are not available, then the estimator uses the number of extents occupied by the table to estimate the base cardinality.

如果表统计数据是无效的，那么估计器使用占用的表扩展来估计基本的行集数。