Enhanced Covariance Matrix Estimators in Adaptive Beamforming.
Richard AbrahamssonYngve SelénPetre StoicaPublished in: ICASSP (2) (2007)
Keyphrases
- covariance matrix
- covariance matrices
- principal component analysis
- sample size
- gaussian mixture
- objective function
- mahalanobis distance
- principal components
- eigenvalues and eigenvectors
- positive definite
- estimation error
- eigendecomposition
- multivariate gaussian
- geometrical interpretation
- transformation matrix
- correlation matrix
- multivariate normal
- multi objective
- image processing
- class conditional densities