estimator

When the estimator is unbiased, the numerical estimate is frequently also called unbiased.

当估计量无偏时, 数字估计值也常叫做无偏的.

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Theory testified: The estimator is unbiased, and with the smallest variance, thus the estimator is effective.

经过理论证明, 该估计量具有无偏和方差最小的性质, 因而该估计量是有效的.

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Objective The collinearity in data can produce inaccurate estimator and test.

目的共线关系可产生不准确的估计及检验.

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The problem of parameter estimator of structural error-in-variable models is considered. A kind of the model's parameter estimate method is given for any parameter space Θ. The strong consistent property of the estimator is shown.

考虑结构关系度量误差模型的参数的估计问题，对于任何参数空间Θ，给出模型参数的一种估计方法，并证明这种估计是强相合的。

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Presented are the construction of a nonlinear wavelet estimator and an adaptive nonlinear wavelet estimator of regression function for fixed design.

在固定设计变量但不一定等距，误差为一般的随机变量的情况下，构造了回归函数的非线性小波估计以及自适应非线性小波估计。

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Performance comparison made by computer simulation demonstrates that the second-order nonlinear attitude estimator consistently performs better than the traditional extended Kalman attitude estimator.

仿真测试结果证明，二阶非线性姿态估计器的滤波性能要优于传统的扩展卡尔曼滤波姿态估计算法。

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This kernel estimator has the advantages of both the local model and the global model.

这种核估计方法可以结合局域法与全局法的优点,使得预测的精度更高.

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The performance of DOA estimator is studied via Monte Carlo simulations.

仿真结果验证了该方法的有效性.

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Covariance shaping least squares estimator is a new kind of linear estimator based on covariance shaping in quantum signal processing ( QSP) framework.

协方差成形最小二乘估计器是量子信号处理框架内基于协方差成形方法的一种新型线性估计器。

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The estimator can take various specific forms.

这种估计式可采用不同的具体形式.

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This paper studies the relationship between DEA and maxium likelihood estimator. It is proved that under certain conditions, DEA is shown to be maximum likelihood estimator. It is also proved that DEA is a biased as well as a consistent estimator.

本文研究了数据包络分析（DEA）方法与极大似然估计的关系，证明了一定条件下，DEA为极大似然估计，并且是一个有偏一致估计。

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A fault diagnosis method based on state estimator for a class of nonlinear systems is proposed.

针对一类含有建模误差的非线性系统,研究了基于状态估计的智能故障诊断方法.

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We can find the exact credibility estimator of risk premium under the symmetric loss function.

本文引入了对称损失函数,并求得基于该损失函数的确切可信性估计.

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The research result shows that its matching accuracy is higher than that of the M-LZD ( LZD using M-estimator) and LMS-LZD ( LZD using least-median-of-squares estimator) algorithms.

结果表明，新方法的匹配精度比目前代表性的采用M-估计的LZD算法（M-LZD）和采用最小平方中位数的LZD算法（LMS-LZD）的精度高。

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The new estimator gives threshold than Kay ? s method while retaining the unbiased property and estimation range.

新的估计方法的方差具有更低的输入信噪比阈值,而保持了 Kay 的方法的无偏性和频率估计范围.

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Both theoretical and computational results demonstrate that the PR estimator is a effective biased estimator for overcoming the effect of multicollinearity and is superior to the ordinary ridge estimator.

理论分析与计算结果表明，对于克服设计阵的复共线性对参数估计危害，部分岭估计是一种有针对性的有偏估计，它明显优于普通岭估计。

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Small sample properties are derived for the estimator from simple random samples.

我们推导简单随机抽样下该估计值的小样本性质.

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Numerical examples are presented to show the effectiveness of the estimator.

数值例子表明了估计器的有效性.

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The sufficient condition of the existence of the parameter estimator was given.

给出了参数估计器存在的充分条件.

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The estimator outperforms the U-I model on stator resistance adaptation and noise accumulation restraint.

该估计器在适应定子电阻和抑止噪声积累方面优于U—I法.

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To construct confidence interval, the limiting distribution of change-point estimator is obtained.

为构造变点的置信区间给出了变点的极限分布.

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Comparison and Selection between Biased Estimator and LS Estimator

有偏估计与LS估计的比较与选择

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In this paper, the empirical Bayes estimator of reliability under type I life test is discussed Approximate interval estimation and EB estimator of failure rate λ is given.

讨论定时截尾试验下可靠性的经验Bayes估计，给出了失效率λ的EB估计和近似区间估计。

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We are discussing whether OLS estimator satisfy asymptotic normality.

我们讨论是否OLS估计量满足渐近正态性.

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M estimator is the abbreviation for the maximum likelihood estimator.

估计是极大似然估计的一种简称.

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A channel estimator portion 42 uses known searching techniques to discern a channel impulse response.

信道估计器部分42使用已知搜索技术辨别信道脉冲响应.

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The estimator is simple in construction and the error of stator resistance is small.

该辨识器结构简单,辨识的定子电阻误差较小.

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A clear and simple proving method is given, for that ILS estimator equals 2SLS estimator to simultaneous equations econometrics model, while the structure equation is just right for identification.

针对联立方程计量经济学模型，在结构方程为恰好识别时，ILS估计和2SLS估计的等价性，给出了一个清晰、简洁的证明方法。

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Applying these methods, it derives the best estimator under MSE criterion in some subclasses of invariant estimator of variance component in the model;

使用这些方法导出了模型方差分量的若干不变估计类中MSE准则下的最优估计；

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Explain non-standard system to Estimator if necessary.

如有必要,向报价人员解释 非 标系统.

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