Robust Adaptive Beamforming with Optimal Covariance Matrix Estimation in the Presence of Gain-Phase Errors.
Di YaoXin ZhangBin HuQiang YangXiaochuan WuPublished in: Sensors (2020)
Keyphrases
- covariance matrix
- estimation error
- covariance matrices
- principal component analysis
- eigendecomposition
- sample size
- doa estimation
- optimal solution
- positive definite
- cma es
- image processing
- multivariate gaussian
- least squares
- eigenvalues and eigenvectors
- geometrical interpretation
- gaussian mixture
- pseudo inverse
- correlation matrix
- transformation matrix
- closed form
- lower bound
- objective function
- feature extraction