An uncertainty-set-shrinkage-based covariance matrix reconstruction algorithm for robust adaptive beamforming.
Peng ChenYixin YangPublished in: Multidimens. Syst. Signal Process. (2021)
Keyphrases
- covariance matrix
- covariance matrices
- sample size
- gaussian mixture
- geometrical interpretation
- denoising
- principal component analysis
- image denoising
- eigendecomposition
- eigenvalues and eigenvectors
- principal components
- positive definite
- correlation matrix
- mahalanobis distance
- objective function
- blind source separation
- estimation error
- transformation matrix
- multivariate gaussian
- genetic algorithm
- convex optimization
- maximum likelihood
- least squares