查询词典 covariance

This paper focus on establishing a set of self-contained theory system on robust estimation by changing the covariance matrix of observations.

本文致力于建立一套基于调整观测量协方差阵的稳健最小二乘估计理论。

For the constraint system of covariance matrix being uncertain, a robust moving horizon estimation strategy is discussed.

针对噪声方差不确定的约束系统，讨论了一种鲁棒滚动时域估计方法。

Objective To study the effect of covariate imbalance on analysis of covariance.

目的 探讨协变量的不均衡对协方差分析的影响。

Significance and application of covariance functions are discussed.

对协方差函数的意义和应用做了讨论。

The point in the thesis is to set up the covariance index number model.

本文的重点是构建统计指数模型。

The theoretical foundation of the covariance is pertinence of system theory.

协变性的理论基础是系统原理中的相关性。

However, these methods are estimated according to sample variance and covariance estimators of returns.

然而，这些方法都是根据样本的变异数或报酬的共变异数估算的估计值。

Further using Covariance Structure Model,we make an empirical analysis of these factors.

并采用协方差结构模型分析方法，对这些因素进行了实证研究。

The Covariance Structure Model is used to make an empirical analysis of these factors.

并采用协方差结构模型分析方法，对这些因素进行了实证研究。

Finally,the validity of the proposed model is verified by the covariance method.

采用谱估计中的协方差法进行模型校验，经验证表明提出的方法是行之有效的。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。