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单词 covariance matrix
释义

covariance matrix

美 
英 
  • un.协方差阵
  • 网络协方差矩阵;共变异数矩阵;共变异矩阵
un.
1.
协方差阵

例句

释义:
1.
IMITATING COVARIANCE MATRIX OF DISPLACEMENT DATA AND ITS APPLICATION IN CALCULATION OF CRUSTAL STRAIN FIELD AS A WHOLE?
位移观测值协方差矩阵模拟及其在整体解算地壳应变场中的应用?
www.ilib.cn
2.
By analyzing the weighted covariance matrix of a local neighborhood, its least-squares plane was estimated.
对局部邻域进行加权协方差分析,估计出该部域的最小二乘拟合平面。
www.ceps.com.tw
3.
Simulation results show that due to the errors the rank of the covariance matrix will increase and the SINR performance will descend.
实验结果表明:滤波器相频响应误差会使自相关矩阵的秩增加、SINR性能下降。
www.ceps.com.tw
4.
Moreover we studied also the natural boundary integral equations and its wavelet solutions. (3) estimation of the covariance matrix.
同时研究了自然边界积分方程与小波方法。
www.keyanjijin.cn
5.
The coherent signals cause rank deficiency of the array covariance matrix, thus the performance of the processor deteriorates greatly.
接收信号的相关性使阵列输出协方差矩阵出现秩缺失现象,因而传统的阵列信号处理算法性能恶化。
www.fabiao.net
6.
In filtering calculation, strong tracking factor is introduced to modify priori covariance matrix to improve the accuracy of the filter.
在滤波计算中,引入强跟踪滤波因子修正滤波器的状态预协方差矩阵。滤波精度得以提高;
www.ceps.com.tw
7.
Results Repeated measurement obtained reasonable results by the fixed and random effects along with efficient estimate of covariance matrix.
结果通过固定效应与随机效应及对协方差矩阵的估计,使重复测量数据得以合理的分析。
www.chemyq.com
8.
Variance component model of the random effects of covariance matrix unit for the "Linear model introduction" matrix has been studied.
方差分量模型的随机效应的协方差为单位阵时《线性模型引论》已进行研究。
www.ceps.com.tw
9.
An accurate estimate on the rank of the clutter covariance matrix (termed as clutter rank) is introduced and the lower bound is obtained.
在准确估计稀疏阵雷达杂波自相关阵的秩(简称杂波秩)的基础上得到了杂波秩的下界;
www.71155.com
10.
Furthermore, the filtering error cross-covariance matrix is derived between any two sensor subsystems of stochastic singular systems.
推得了随机奇异系统任两个局部估计之间的滤波误差互协方差阵。
www.ceps.com.tw
1.
After inspecting the properties of the covariance matrix, a recursive method of system parameter estimation is derived upon LSE.
在研究协方差矩阵特性的基础上,给出一种最小二乘辨识系统的递阶算法。
d.wanfangdata.com.cn
2.
The model to calculate the pseudo measurement and the concomitant error covariance matrix is deduced for the planar circumstance.
推导了二维情况下,确定伪测量和相伴误差协方差矩阵的模型。
www.ceps.com.tw
3.
For the constraint system of covariance matrix being uncertain, a robust moving horizon estimation (MHE) 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(MHE)方法。
www.ceps.com.tw
4.
It is shown that the proposed detector has the constant false alarm properties with respect to the covariance matrix of the clutter.
研究结果表明,该相干雷达极化恒虚警检测算法相对于杂波协方差矩阵有恒虚警的性质。
epub.cnki.net
5.
Realized covariance matrix is a new measurement of the volatility and correlation of portfolio.
“已实现”协方差矩阵是对投资组合波动性及相关性的一种全新的度量方法。
www.ceps.com.tw
6.
Second, normals and curvatures of vertices in the optimal neighborhood are estimated by covariance matrix analysis.
然后运用协方差矩阵分析的方法,在最优邻域内计算出各采样点的法向量和曲率;
dictsearch.appspot.com
7.
Then we derive the computation formula for the cross-covariance matrix between any two local estimators.
然后,推导了任两个局部估计误差之间的互协方差阵的计算公式。
www.fabiao.net
8.
With the covariance matrix is known, we construct the compound D- optimal criteria and equivalence theorem.
在协方差阵已知的情况下,构造多响应复合D-最优的等价性定理。
www.fabiao.net
9.
The entropy calculations use the covariance matrix of atom-positional fluctuations and yield the complete configurational entropy.
熵的计算使用的原子协方差矩阵位置产量波动和完整的构型熵。
www.syyxw.com
10.
In this paper, the random effects of covariance matrix positive for the promotion of research.
把随机效应的协方差推广为正定阵进行研究。
www.ceps.com.tw
1.
When the model error covariance matrix contains unknown parameter, two-step estimation of some important properties.
当模型误差协方差阵含有未知参数时,两步估计的一些重要性质。
goabroad.zhishi.sohu.com
2.
Based on the high-frequency data, the realized volatility and realized covariance matrix was introduced systematically.
系统介绍基于高频交易数据的“已实现”波动率及由它拓展而来的“已实现”协方差矩阵。
www.ceps.com.tw
3.
By averaging the previous results, a new covariance matrix is obtained. It is a full rank matrix.
对其进行平均后,所得到的相干信号协方差矩阵具有满秩性。
www.ceps.com.tw
4.
Covariance matrix of experimental d.
实验数据的协方差矩阵,
x11968.48wttc.com.cn
5.
The Least Square Estimate of Covariance Matrix in an Extended Growth Curve Model and its Optimal Property
一个推广增长曲线模型协差阵的最小二乘估计及其优良性
service.ilib.cn
6.
Conditional simulation for spatial variability of soil water -salt by means of lower-upper triangular decomposition of covariance matrix
协方差矩阵上-下三角分解法在区域土壤水盐条件模拟的应用
www.ilib.cn
7.
A nonlinear preconditioned quasi-Newton method without inversion of a first-guess covariance matrix in variational analyses
在变化分析没有初估值协方差阵的反向情况下一个非线性先决条件准牛顿方法
edu.cma.gov.cn
8.
standard normal distribution logarithmic normal distribution covariance matrix central limit theorem Chebyshev's inequality
协方差矩阵中心极限定理切比雪夫不等式贝努利大数定律
wenku.baidu.com
9.
Two Stage Estimation and Its Covariance Matrix in Multivariate Seemingly Unrelated Regression System
多元性相依回归系统的两步估计及其协差阵
www.ilib.cn
10.
Secondly, covariance matrix is used to describe the degree of correlation between the parameters;
其次用协方差矩阵来描述参数间的相关程度,进一步提高了反演结果的稳定性;
www.geophy.cn
1.
The Sufficient and Necessary Condition of the Quadratic Admissible Estimate for Covariance Matrix
协方差阵二次型估计可容许的充要条件
www.ilib.cn
2.
Influence Analysis in Multivariate Regression Model with Covariance Matrix Disturbance
多重线性回归模型协方差阵扰动的影响分析
www.ilib.cn
3.
The Asymptotic Variance-covariance Matrix in Lq-norm Estimate and Its Characteristic
Lq估计的渐近方差-协方差矩阵及其特点
www.ilib.cn
4.
The Least Square Estimate of Covariance Matrix in the Restricted Growth Curve Model
有约束的生长曲线模型中协差阵的最小二乘估计
service.ilib.cn
5.
Sage Adaptive Filtering with the Weighted Prediction of the Variance-covariance Matrix
噪声协方差矩阵加权估计的Sage自适应滤波
www.ilib.cn
6.
Solving the Optimal Portfolio of Singular Covariance Matrix by Orthogonal Linear Transformation
正交变换求解奇异协方差矩阵的投资组合问题
service.ilib.cn
7.
Comparative Research on Main Components Analysis with Covariance Matrix and Correlation Matrix
协方差矩阵和相关系数矩阵下主成分分析比较研究
service.ilib.cn
8.
A Fast Recursive Algorithm for Continuously Computing the Trace of the Sample Covariance Matrix
连续求解样本协方差矩阵迹的快速递推算法
service.ilib.cn
9.
Application of the Covariance Matrix Weighting Beamforming
协方差矩阵加权波束形成及应用
www.ilib.cn
10.
Frontier Portfolio and No-arbitrage Analysis with Singular Covariance Matrix
奇异协方差阵下前沿组合及无套利分析
service.ilib.cn
1.
The Derivation and Application of the Inverse of the Covariance Matrix in Portfolio Analysis
投资组合中协方差矩阵的逆矩阵的推导及应用
www.ilib.cn
2.
The Relation of The Regression Coefficients of Chain Model And Elements of The Covariance Matrix
关于链模型的回归系数与协方差阵元素的关系
www.ilib.cn
3.
Optimal Mean-Variance Portfolio with Semi- Positive Variance- Covariance Matrix
协差阵奇异时的最优投资组合
ilib.cn
4.
The Efficient Set in the Case of Singular Covariance Matrix
奇异协方差阵下的有效证券组合
service.ilib.cn
5.
Influence Analysis on Ridge Estimator in Growth Curve Model with Covariance Matrix Disturbance
协方差矩阵扰动生长曲线模型岭估计的影响分析
www.ilib.cn
6.
The Minimum Norm Estimation of Covariance Matrix in the Extended Growth Curve Model with Covariant Variables
有协变量的推广增长曲线模型中协差阵的最小模估计
service.ilib.cn
7.
A Study on the Testing of Equal Mean & Covariance Matrix and Its Application
双样本协方差矩阵和均值向量齐性检验的研究及其应用
www.ilib.cn
8.
Random Weight Method for Covariance Matrix Recovery from Single Receiver Output
单通道接收机协方差矩阵的随机权恢复方法
ilib.cn
9.
A Recursive Algorithm of Error Covariance Matrix of Moving Horizon Estimation
滚动时域估计中先验估计误差协方差阵的递归算法
www.ilib.cn
10.
The optimal portfolio selection of singular covariance matrix
奇异协方差矩阵的最优投资组合选择
www.ilib.cn
1.
Fast Calculation for the Converse Matrix of Covariance Matrix
求协方差矩阵的逆矩阵的快速算法
service.ilib.cn
2.
and the covariance matrix of its forecasting error vector is
其预报误差的协方差矩阵–
wenku.baidu.com
3.
Feasible Sets of Portfolios with Singular Covariance Matrix
奇异方差投资组合的可行边界
scholar.ilib.cn
4.
About the Natures of Covariance Matrix and Correlative Coefficient
关于协方差矩阵及相关系数的性质
service.ilib.cn
5.
The variance-covariance matrix of M-estimation;
估计的方差协方差矩阵;
www.showxiu.com
6.
Characteristics of the propagation of the error covariance matrix which was essential in the probability calculation were analyzed;
分析了碰撞概率计算中所需误差协方差矩阵的传播特性。
paper.pet2008.cn
7.
A New Algorithm on Solving MARKOWITZ Model with Inversible Covariance Matrix
关于协方差矩阵不可逆时MARKOWITZ模型的求解问题
zhidao.baidu.com
8.
Optimal Structure of the Covariance Matrix of Errors for F-Tests in Linear Models
线性模型下F-检验最优的误差协方差结构
service.ilib.cn
9.
Adaptive Blind Separation Algorithm Based on Covariance Matrix
基于协方差矩阵的自适应盲分离算法
www.ilib.cn
10.
Adaptive Clustering Neural Network Based on Fuzzy Covariance Matrix
基于模糊协方差的自适应聚类神经网络
www.ilib.cn
1.
New beamforming method based on fractional lower order covariance matrix
一种基于分数低阶协方差矩阵的波束形成新方法
www.ilib.cn
2.
UMVIQUE of The Covariance Matrix in Growth Curve Model
增长曲线模型中协差阵的最优估计
www.ichacha.net
3.
An ideal NHD first should discover those stronger target signals whose influence to the covariance matrix can not be neglected;
理想的NHD首先应能够发现那些对协方差矩阵影响不可忽略的能量较大的目标信号;
wenwen.soso.com
4.
Combination Boundary of Three Kinds of Risk Assets of Variance- Covariance Matrix Degeneration
方差-协方差矩阵退化的三种风险资产的组合边界
www.ilib.cn
5.
Affine Invariants Based on Covariance Matrix
基于协方差矩阵的仿射不变量
www.ilib.cn
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