查询词典 covariance functional

On the basis of the theory of least-squares collocation, the approach used to define a local covariance function is described.

从最小二乘配置方法的原理出发，描述了最小二乘配置法中经验协方差函数的确定方法。

This empirical covariance function helps us to save the processing procedure and the computational time.

此经验公式可以节省估计协变方函数的处理步骤，从而节省计算时间。

Based on this, a method to estimate kernel parameters using the covariance function of the samples is presented.

证明了对于径向基核函数而言，采用变异函数估计核参数与采用协方差函数估计核参数的一致性。

Finally, an empirical covariance function is presented.

最后，本文提出一个经验协变方函数以省略协变方函数的估计工作。

Based on product moment of normal random variable cariable calculating covariance function of square of normal stochastic process has been given.

在正态随机变量乘积矩基础上，给出了正态随机过程平方后的协方差函数的计算。

Windows evaluation algorithm based on covariance function was proposed to evaluate the measure variance of electronic compass and micromechanical gyroscope.

提出了基于协方差函数的加窗估计算法，用于在线估计电子罗盘和微机械陀螺的测量方差。

3The main contents of Covariance Analysis Description Function Technique are interpreted.

3阐述了协方差分析描述函数法的主要内容，并结合一战术导弹非线性模型，展示了CADET法在导弹命中概率评估中的应用。

Some fundamental properties of fuzzy probability characteristic, such as the fuzzy mean value function, fuzzy covariance function and fuzzy variance function of fuzzy stochastic processes are proved.

3研究了实模糊随机变量的数学期望、方差等模糊概率特征的基本性质以及计算方法，并且讨论了实模糊随机变量的独立性与分析运算的若干基本性质

Meanwhile, in order to fix defect of former methods, an optimal source array weight matrix is presented to estimate Green's function matrix by analyzing the estimation covariance of Green's function matrix.

同时指出了现有方法存在的不足，并在此基础上通过研究格林函数矩阵的估计协方差，提出了一种最佳估计算法。

The elementary theory of Least-Squares Collocation in Physical Geodesy is described in detail in this thesis, as well as the method defining the covariance function, which is the key problem when utilizing LSC in physical geodesy.

本文描述了最小二乘配置法的基本原理及其基础理论，详细探讨了经验协方差函数的确定方法。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。