本文计算了亚洲500毫巴月平均环流指数的方差谱。
In this paper, the power spectrum of the monthly 500 MB circulation index over Asia has been calculated.
其中，对于观测向量协方差阵的谱分解估计，我们很容易得到它在一些损失下的风险函数。
Thereinto, for the spectral decomposition estimate of the covariance matrix , we can gain the risk functions under some losses.
与传统的方法相比，无需对随机信号的协方差函数的功率谱进行分解，不受限于协方差函数的功率谱是否为有理式。
Compared with the traditional method, it does not need disassembling the power spectral densities of stochastic signal covariance and is not bound to if the power spectral densities are rational.
协方差速度谱是基于采样数据可以排列成协方差矩阵的特征结构而设计的。
Covariance velocity spectrum is based on the fact that the sampled data can be arranged in eigen structure of covariance matrix.
通过对背景误差方差、特征长度的调整，显著改善了背景误差功率谱的分布特点，使得NMC方法结果与更新矢量方法结果更为吻合。
After the tuning of background error variance and de-correlation length, results from the NMC-method are closer to those of the innovation vector method, and the analysis results are improved.
用修正哈达玛方差(MHV)来测量频率源的谱密度已在国内外广泛流行。
Modified Hadamard Variance (MHV) has been widely used for the power spectrum measurement of frequency sources.
运用分形和分维理论，用半方差法和功率谱密度法分别计算土壤强度的分维，其值接近2。
The fractal dimensions of soil cone indices were estimated in semi-variograms and power, spectral densities, which were all very close to 2.
考虑含有两个方差分量矩阵的多元混合模型，将一元混合模型下的谱分解估计推广到多元模型下。
Spectral decomposition estimators of variance component matrix in mixed linear model are generalized to multivariate mixed linear model.
本文分两节对门限自回归模型中自回归条件异方差的广义谱密度检验进行了讨论。在第一节中，我们介绍了广义谱密度检验。
This thesis is composed of two sections in which we discuss generalized spectral density test of conditional autoregressive heteroscedasticity for threshold autoregressive model.
当控制策略为最小方差控制时，给出信号功率谱的具体表达式。
The used control scheme is the minimum variance control and the design constraint is the power of the process output or that of the reference signal.
给出到达角起伏谱和起伏方差的概率分布。
The spectra of arrival angle fluctuations and its probability distribution were given.
论文对改进算法渐进性均值、方差、谱分辨率的表达式进行推导。
The paper deduces the estimator's asymptotically expressions of mean, variance, resolution and computational complexity.
对含两个方差分量的一般线性混合模型，我们给出其方差分量的改进估计，主要对组合谱分解估计进行改进。
We compare the spectral decomposition estimate by the analysis of variance estimate in the linear mixed model with two variance components.
为了解决秩亏RCF（robust Capon filter-bank）谱估计方法的估计性能不稳健问题，提出一种基于奇异协方差矩阵的谱 估计 方法。
A spectral estimator based on the rank-deficient sample covariance matrix was developed to improve the robustness of estimates of the rank-deficient robust Capon filter-bank (RCF) spectral estimator.
为了解决秩亏RCF（robust Capon filter-bank）谱估计方法的估计性能不稳健问题，提出一种基于奇异协方差矩阵的谱 估计 方法。
A spectral estimator based on the rank-deficient sample covariance matrix was developed to improve the robustness of estimates of the rank-deficient robust Capon filter-bank (RCF) spectral estimator.
应用推荐