Robust adaptive beamforming via quasi-signal subspace estimation for covariance matrix reconstruction.
Xiangwei ChenWeixing ShengPublished in: Digit. Signal Process. (2024)
Keyphrases
- signal subspace
- correlation matrix
- covariance matrix
- direction of arrival
- estimation error
- linear array
- covariance matrices
- principal component analysis
- sample size
- doa estimation
- singular value decomposition
- image reconstruction
- eigendecomposition
- pseudo inverse
- high resolution
- principal components
- least squares
- objective function
- speech recognition
- evolutionary algorithm
- feature vectors