查询词典 covariance function

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。

By comparing the performances of these methods, it is found that the covariance cumulant approach is most effective.

结果表明，三种算法可以进行有效的波束形成，基于累积量和特征空间的方法具有最高的输出信噪比。

To some extent,expectations and covariance s can.

均值和协方差一定程度上可以描述这些随机变量的概率分布特性。

For statistical analysis,we used the Student's t -test, 2, and covariance analysis.

我们应用了 Student's t 检验、 2以及协方差分析进行了统计学分析。

The covariance index numbers evaluation method established in this thesis has the important application value actually.

本文建立的统计指数评价方法具有重要的实际应用价值。

So the actual background error covariance is the key to success of data assimilation technique.

本文主要目的是建立具有实际运行能力的集合卡尔曼滤波资料同化系统。

It's appropriate to use Covariance Structure Model in the sociological research.

笔者认为对社会问题的量化研究采用协方差结构模型比较适宜。

He became prime minister in 1997 and won international acclaim for his role in the Northern Ireland peace process.

他在1997年成为总理，并且因为在北爱尔兰的和平进程中发挥的作用受到国际社会的赞许。

Mixed Page Sorting Method Using the cuttable user model, this thesis proposes a mixed page sorting method by using cutted user model in server-side and complete user model in client-side.

隐私分级利用的混合式页面排序方法针对个性化搜索中搜索结果排序的问题，本文利用隐私可控开放的用户偏好模型，提出一个在客户端和服务器端分步进行的隐私分级利用的混合式页面排序方法。