Keywords: ماتریس کوواریانس; primary, 62F12; secondary, 62H12High dimension; Non-normal case; Covariance matrix; Estimation; Unbiasedness; Consistency
مقالات ISI ماتریس کوواریانس (ترجمه نشده)
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Keywords: ماتریس کوواریانس; primary, 62H15; secondary, 62F05Asymptotic distributions; Covariance matrix; High dimension; Non-normal model; Sample size smaller than dimension; Test statistics
Keywords: ماتریس کوواریانس; primary; 62H15; 62H10; secondary; 62E20; Covariance matrix; High dimensional analysis; Maximal deviation; Tapering; Test for bandedness; Test for covariance structure; Test for stationarity;
Keywords: ماتریس کوواریانس; Aggregate risk model; Covariance matrix; Partial information; Top-down;
Keywords: ماتریس کوواریانس; Covariance matrix; Geodesic distances; Face matching
Keywords: ماتریس کوواریانس; Covariance matrix; High-dimension; Hypothesis testing; Population spectral distribution
Keywords: ماتریس کوواریانس; Load modeling; Distribution system; Nonlinear model reduction; Covariance matrix; Dynamic model
A training samples selection method based on system identification for STAP
Keywords: ماتریس کوواریانس; Space-time adaptive processing; Training samples; Covariance matrix; System identification;
235U elastic cross-section adjustment in criticality benchmarks - Comparison between JENDL-4.0 and ENDF/-VII.1
Keywords: ماتریس کوواریانس; Multiplication factor; Sensitivity; Covariance matrix; Nuclear data uncertainty; MCNP6.1; Generalized linear-least squares method;
Damage detection in CFRP composite beams based on vibration analysis using proper orthogonal decomposition method with radial basis functions and cuckoo search algorithm
Keywords: ماتریس کوواریانس; POD; Proper Orthogonal Decomposition; RBF; Radial Basis Function; U; Snapshot matrix, matrix of data; U new; New snapshot matrix; D; Depth; W; Width; α; Position parameter; P; Parameters matrix; C; Covariance matrix; λi; Eigenvalues; vi; Eigenvectors; A
On the relationship between conditional (CAR) and simultaneous (SAR) autoregressive models
Keywords: ماتریس کوواریانس; Lattice models; Areal models; Spatial statistics; Covariance matrix;
A note on the unbiased estimator of Σ2
Keywords: ماتریس کوواریانس; 62H12; 62G05; Unbiased estimators; U-statistics; Covariance matrix; High-dimensional data;
3D facial expression recognition using kernel methods on Riemannian manifold
Keywords: ماتریس کوواریانس; Covariance matrix; Manifold; Facial expression; Kernel-SVM;
Weighted spatial based geometric scheme as an efficient algorithm for analyzing single-trial EEGS to improve cue-based BCI classification
Keywords: ماتریس کوواریانس; Riemannian geometry; Cue-based Brain computer interface; Weighting algorithm; Covariance matrix;
Covariance matrices of the hydrogen neutron cross sections bound in light water for the JEFF-3.1.1 neutron library
Keywords: ماتریس کوواریانس; Thermal Scattering Law; Covariance matrix; Marginalization; Zero-Variance Penalty; CONRAD; LEAPR; NJOY;
Riemannian manifold-valued part-based features and geodesic-induced kernel machine for activity classification dedicated to assisted living
Keywords: ماتریس کوواریانس; Activity of daily living; Human activity classification; Fall detection; Assisted living; Riemannian manifolds; Geodesic distance; Covariance matrix; Kernel machines;
Asymptotic properties of a robust variance matrix estimator for panel data when T is large
Keywords: ماتریس کوواریانس; C12; C13; C23; Panel; Heteroskedasticity; Autocorrelation; Robust; Covariance matrix;
Robust adaptive detection of buried pipes using GPR
Keywords: ماتریس کوواریانس; GPR; Buried pipes; Adaptive detection; Covariance matrix; Non-Gaussian; Regularised covariance matrix estimator;
One-step M-estimates of scatter and the independence property
Keywords: ماتریس کوواریانس; 62G05; 62H05; Covariance matrix; Independent component analysis; Scatter functional; Weight function;
Retrieving the covariance matrix of an unknown two-mode Gaussian state by means of a reference twin beam
Keywords: ماتریس کوواریانس; Two-mode Gaussian states; Covariance matrix; Reconstruction; Twin beam
Useful and little-known applications of the Least Square Method and some consequences of covariances
Keywords: ماتریس کوواریانس; Least Square Method; Covariant data; Covariance matrix;
SINR maximization in colocated MIMO radars using transmit covariance matrix
Keywords: ماتریس کوواریانس; Multiple-Input Multiple-Output radar; Covariance matrix; Signal-to-interference-plus-noise ratio; Waveform design
An efficient parameter estimation method for generalized Dirichlet priors in naïve Bayesian classifiers with multinomial models
Keywords: ماتریس کوواریانس; Covariance matrix; Document classification; Generalized Dirichlet distribution; Multinomial model; Naïve Bayesian classifier
Second moments related to Poisson hyperplane tessellations
Keywords: ماتریس کوواریانس; Random hyperplane tessellation; Typical k-face; Face content; Second moment; Isotropic process; Covariance matrix;
D-optimal experimental designs for a mixture of Adair models
Keywords: ماتریس کوواریانس; Adair model; Covariance matrix; D-optimality; EM algorithm; Information matrix; Mixture of distributions
Sharp minimax tests for large Toeplitz covariance matrices with repeated observations
Keywords: ماتریس کوواریانس; 62G10; 62H15; 62G20; 62H10Toeplitz matrix; Covariance matrix; High-dimensional data; U-statistic; Minimax hypothesis testing; Optimal separation rates; Sharp asymptotic rates
Existence and uniqueness of the maximum likelihood estimator for models with a Kronecker product covariance structure
Keywords: ماتریس کوواریانس; 62F10; 62F30; 62J10; 62H12Matrix normal model; Covariance matrix; Kronecker product structure; Maximum likelihood estimation; Existence and uniqueness of estimator
Blind SNR estimation for M-ARY Frequency Shift Keying signal using covariance technique
Keywords: ماتریس کوواریانس; Data Aided Estimator; Covariance matrix; Normalised Mean Square Error; Signal to noise ratio;
Nonparametric Stein-type shrinkage covariance matrix estimators in high-dimensional settings
Keywords: ماتریس کوواریانس; Covariance matrix; High-dimensional settings; Nonparametric estimation; Shrinkage estimation
The DetS and DetMM estimators for multivariate location and scatter
Keywords: ماتریس کوواریانس; Covariance matrix; Fast algorithm; Outliers; Robust estimation;
Estimation of mean and covariance of stochastic multi-class OD demands from classified traffic counts
Keywords: ماتریس کوواریانس; OD demand estimation; Multiple vehicle class; Covariance matrix; Classified traffic counts
Challenges and solutions for random sampling of parameters with extremely large uncertainties and analysis of the 232Th resonance covariances
Keywords: ماتریس کوواریانس; Resonance integral; Self-shielding; Resonance parameter; Covariance matrix; Random sampling;
Transmit beampattern design based on convex optimization for MIMO radar systems
Keywords: ماتریس کوواریانس; Multiple-input multiple-output (MIMO) radar; Beampattern; Covariance matrix; Convex optimization
A novel ELM based adaptive Kalman filter tracking algorithm
Keywords: ماتریس کوواریانس; ELM; Kalman filter target tracking; Covariance matrix; Adjustment factor; Online correction
UNCERTAINTY PROPAGATION ANALYSIS FOR YONGGWANG NUCLEAR UNIT 4 BY MCCARD/MASTER CORE ANALYSIS SYSTEM
Keywords: ماتریس کوواریانس; McCARD; Uncertainty Propagation; Direct Sampling Method; Few Group Constant; Covariance Matrix; Yonggwang Nuclear Unit 4
Asynchronism-based principal component analysis for time series data mining
Keywords: ماتریس کوواریانس; Asynchronous correlation; Covariance matrix; Principal component analysis; Time series data mining; Dynamic time warping
Windowing-based random weighting fitting of systematic model errors for dynamic vehicle navigation
Keywords: ماتریس کوواریانس; Vehicle navigation; Systematic model error; Random weighting estimation; Covariance matrix; Moving window;
Not all that glitters is RMT in the forecasting of risk of portfolios in the Brazilian stock market
Keywords: ماتریس کوواریانس; Portfolio building; Covariance matrix; Random Matrix Theory; Single Index Model; BM&F-Bovespa;
A single chart with supplementary runs rules for monitoring the mean vector and the covariance matrix of multivariate processes
Keywords: ماتریس کوواریانس; Control charts; Mean vector; Covariance matrix; Multivariate processes; Supplementary runs rules;
Minimax optimal estimation of general bandable covariance matrices
Keywords: ماتریس کوواریانس; primary; 62H12; secondary; 62F12; 62G09; Adaptive minimax; Covariance matrix; Minimax optimal rates; Frobenius norm; Spectral norm; Tapering;
Classification of covariance matrices using a Riemannian-based kernel for BCI applications
Keywords: ماتریس کوواریانس; Brain–computer interfaces; Covariance matrix; Kernel; Support vector machine; Riemannian geometry
Gaussian estimation of regression and correlation parameters in longitudinal data
Keywords: ماتریس کوواریانس; Covariance matrix; Generalized least squares; Gaussian estimation; Generalized estimating equations; Longitudinal data
Locally centred Mahalanobis distance: A new distance measure with salient features towards outlier detection
Keywords: ماتریس کوواریانس; Mahalanobis distance; Outlier detection; Similarity; Isolation degree; Remoteness; Covariance matrix; Data mining
Towards using covariance matrix pyramids as salient point descriptors in 3D point clouds
Keywords: ماتریس کوواریانس; Salient point descriptor; 3D point clouds; Global optimization; Covariance matrix
SURE-tuned tapering estimation of large covariance matrices
Keywords: ماتریس کوواریانس; Covariance matrix; Cross-validation; Frobenius norm; Operator norms; SURE; Tapering estimator
Monitoring the covariance matrix with fewer observations than variables
Keywords: ماتریس کوواریانس; Covariance matrix; Penalized likelihood function; Average run length (ARL); Multistandardization; Cholesky decomposition
A new test for random effects in linear mixed models with longitudinal data
Keywords: ماتریس کوواریانس; Covariance matrix; Difference; Linear mixed models
The asymptotic covariance matrix of the odds ratio parameter estimator in semiparametric log-bilinear odds ratio models
Keywords: ماتریس کوواریانس; Odds ratio; Asymptotic; Covariance matrix; Conditional sampling; Semiparametric; Log-linear models; Log-bilinear association; Logistic regression; Linear regression;
Analysis of matches and partial-matches in a Danish STR data set
Keywords: ماتریس کوواریانس; DNA database; θ-Correction; Subpopulation; Close relatives; Covariance matrix
A new estimator of covariance matrix
Keywords: ماتریس کوواریانس; Covariance matrix; Partial Iwasawa coordinates; Stein's loss