Robust Adaptive Beamforming Based on Steering Vector Estimation and Covariance Matrix Reconstruction.
Feng ShenFengfeng ChenJinyang SongPublished in: IEEE Commun. Lett. (2015)
Keyphrases
- covariance matrix
- estimation error
- eigenvalues and eigenvectors
- covariance matrices
- symmetric matrix
- principal component analysis
- transformation matrix
- sample size
- mahalanobis distance
- maximum a posteriori probability
- correlation matrix
- gaussian mixture
- eigendecomposition
- vector space
- positive definite
- pseudo inverse
- geometrical interpretation
- objective function
- image reconstruction
- reconstruction error
- laplacian matrix
- maximum likelihood
- feature vectors
- feature selection
- cma es
- class conditional densities