查询词典 error model

The linear structural EV model studied in the paper can be written aswhere are the observations and measurement error of Xi and yi respectively ,and ij, Xi, ij are p-vectors .The paper presents the estimators of ,.Under some suitable conditions ,strong consistency is obtained .

对于一般线性结构型EV模型，即ξ_=X_i+δ_，η_=y_i+ε_=α+X_i′β+ε_，j=1，…n_i；i=1，…，k，…(0.2)其中ξ_(ij，η_，δ_，ε_分别是自变量X_i和因变量y_i的观测值和观测误差，ξ_，X_i，δ_是p维向量本文给出了参数β，α的估计，并在适当条件下，得到了估计的强相合性。

Compared with other models for Hamiltonian path problem,this model shows better performances on low rate of error,easily coding and conveniency to read.

与已有的哈密尔顿路径问题的其它模型相比，新模型具有错误率低，编码简易，读取方便等更好的性能。

As a result, considering all kinds of methods of error compensation, a kind of calibration model of graphic distortion is established based on geometrical correction arithmetic of plane coordinate transformation.

综合各种误差补偿办法，建立了一个基于平面坐标变换几何校正算法原理的图形畸变校正模型。

This paper uses economic data between 1996 and 2008, and concludes that the depreciation of real effective exchange rate will promote FDI in the short term, while results in the reduction of FDI in the long term by error correction model. The stability of real effective exchange rate helps to form expectations of added investment.

本文利用1996-2008年的经济数据，运用误差修正模型，实证分析得出结论：人民币实际有效汇率贬值对FD I在短时期内会有促进作用，但长期内会造成FDI的减少，而人民币实际有效汇率的稳定和坚挺有助于外商形成对前期沉淀资本持续追加投资的预期。

Using Hong(2001)'s method based on Cross Covariance Function and Error Correction Model,we study Granger causality and information spillover s among major global crude oil markets including London,New York,Dubai as well as Tapis and Minas in Southeast Asia.

采用基于协相关函数的Hong(2001)方法和基于协整理论的误差修正模型系统研究了全球原油市场的Granger因果关系与信息溢出。

Using Hong(2001)'s method based on Cross Covariance Function and Error Correction Model, we study Granger causality and information spillovers among major global crude oil markets including London, New York, Dubai as well as Tapis and Minas in Southeast Asia.

采用基于协相关函数的Hong(200l)方法和基于协整理论的误差修正模型系统研究了全球原油市场的Granger因果关系与信息溢出。

Based on the model, closed-form expressions for cumulative distribution function of the output signal-to-interference plus noise ratio and symbol error rate of MIMO MRC systems with equal-power and unequal-power CCI are derived respectively.

在此基础上，分别推导出具有相等功率和互不相等功率的共信道干扰下系统输出信干噪比的累积分布函数和误符号率的闭合表达式。

a scheme of channel estimation using cyclic prefix based on the measurement of the low-voltage power line channel model is presented.after obtaining the frequency response of pilot sub-channel under the state of comb-type pilot,the data sub-channel response is obtained by interpolating the frequency response in frequency direction.in the pilot-free data period,the estimation of the channel is carried out by using cyclic prefix in order to improve the performance of system error rate.

摘 要：通过实际测量给出低压电力线的信道模型，在此基础之上提出了利用循环前缀对信道进行估计的方法，即在梳状导频模式时，使用导频获得导频子信道频率响应后，对其在频域方向进行插值得到数据子信道响应，在其后没有导频的序列的数据周期内，使用循环前缀对信道进行估计，从而起到改善系统误比特性能的目的。

According to the definition of the minimum zone method, the mathematical model is presented for evaluating flatness error and establishing datum plane equation.

分析了常用的近似评定法(三点法、对角线法、最小二乘法等)存在的局限性，根据最小区域法的定义，给出了基准平面方程及平面度误差评定目标函数数学模型的建立方法，并举例说明了采用Matlab进行平面度误差的计算。

Firstly, the concepts of dimensional element and dimensional element-chain are defined, and a geometric tolerancing model expressed by DE and its semantic mapping are also given. Secondly, the construction of DEC, the geometric measuring method for the calculation of error transfer coefficients of dimension-chain components and the realization of DECA are proposed.

首先定义尺素和尺素链等概念，并在此基础上建立尺寸公差的尺素表示模型及其语义映射；然后给出尺素链构造方法、计算误差传递系数的几何度量方法以及尺素链分析的实现方法。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。