Robust adaptive beamforming based on covariance matrix reconstruction using Gauss-Legendre quadrature and steering vector estimation.
Yan LvFei CaoFan WuChuan HeXiaowei FengPublished in: EURASIP J. Adv. Signal Process. (2023)
Keyphrases
- covariance matrix
- estimation error
- covariance matrices
- eigenvalues and eigenvectors
- symmetric matrix
- principal component analysis
- transformation matrix
- positive definite
- correlation matrix
- sample size
- laplacian matrix
- eigendecomposition
- geometrical interpretation
- objective function
- mahalanobis distance
- gaussian mixture
- pseudo inverse
- multivariate gaussian
- vector space
- image reconstruction
- doa estimation
- frequency domain
- feature extraction
- maximum likelihood estimation
- density estimation
- independent component analysis