查询词典 efficient estimator

Under the assumptuion that the lower bound of the density of the observed nonlinear AR (1) time series is known, we prove that the nonlinear wavelet estimator of the conditional mean function g, which is similiar with the one introduced in Chapter 2, still has the same good adaptive properties for this kind of nonlinear AR (1) series on account of the moment inequalities and exponential type inequalities for strong mixing processes.

在假设观测序列的的密度函数的下界已知的条件下，我们利用关于强混合过程的矩不等式以及指数型不等式证明了类似于上一章的小波估计对于非线性AR（1）模型中条件均值函数的非参数函数估计仍然具有优良的自适应性质，并同样给出了数值模拟的结果分析。

Firstly an approximate linear model was obtained by confining the regression function in a functional space with finite dimension. Then the interval estimator was proposed by Fiducial inference.

首先将回归函数限制在一个有限维函数空间中，得到一个近似的线性模型，在此基础上，由Fiducial推断给出了误差方差的区间估计。

Besides, a landscaping estimator also works with environmental scientists, foresters, and other professionals who work towards conserving or restoring natural resources.

此外，估计美化工程也与环境科学家，林业和其他专业人士的工作，为保护和恢复自然资源。

Improve the accuracy of the initial rotor position estimator by using the Fourier series expansion.

在永磁同步的马达启动方面，则透过送出不同向量空间角度的定子电压向量脉冲所量测到的d轴定子电流的大小来估测转子的初始位置，并利用d轴定子电流在空间向量角度以2π为周期的特性，应用傅立叶级数分析做曲线拟合的方式提高转子位置估测解析度，以提高转矩/电流比节省不必要的功率浪费。

This model has been successfully applied to modeling jet fuel endpoint estimator for a fractionator of the hydrocracking unit in the oil refining industry.

在输入变量已经确定的情况下，寻求输入空间的最优模糊划分，使得模糊模型具有最简的规则库，这是"内部"精简法。

Neural Network is an estimator of adaptive resonance function, which is not dependent on models, and could fulfill arbitrarily functional relation without them.

神经网络是一个不依赖于模型的自适应函数估计器，不需要模型就可以实现任意的函数关系。

This paper first studies the varying coefficient model by Hastie and Tibshirani(1993), and establishes unknown function coefficients and variance error estimator, and discusses asymptotic properties of estimators.

本文首先研究了Hastie和Tibshirani(1993)提出的变系数模型，运用小波方法建立了未知系数函数以及模型误差方差的估计量，并讨论了这些估计量的渐近性质。

Due to the limited number of measurements on the response data, both Kalman Estimator technique and Singular Value Decomposition incopoerated with piecewise cubic Hermite Polynomial curve fitting method are used to reconstruct the unmeasured reponses and establish the full response measurement.

由於有限的量测资料，本文介绍卡氏重建器与结合分段式立方Hermite型插值多项式之奇异值分解重建法，以重建未量测点之反应历时，以利进行部分量测系统之外力识别。

This paper introduces a Hurst index estimator designed and implemented based on MATLAB using the object-oriented GUIDE simulation system.

本文介绍了一个在矩阵实验室平台上利用面向对象的图形用户界面开发环境仿真系统设计并实现的Hurst参数估计器。

In this study, we adopt a Scale-Invariant Gauss-Markov hyetograph that show the maximum likelihood estimator of the dimensionless hyeto graph. There are five significant principal components were extracted which explained total variance about 90%.

研究中采用具尺度不变性高斯马可夫雨型（Scale-Invariant Gauss-Markov，简称SIGM），并将此资料进行多变量统计分析，以主成份分析法萃取出设计雨型之五个主要成份，此五个主成份具有解释设计雨型总变异数之程度约为90%。

Don't listen to their haver, nothing of that sort.

别听他们胡说八道，根本就没那回事。

But bank's shares trade below their book value, suggesting that investors are skeptical.

但是，银行股票以低于账面价值的价格交易，这一点反应了投资者的怀疑。