Robust Covariance Matrix Reconstruction Algorithm for Time-Domain Wideband Adaptive Beamforming.
Peng ChenYixin YangYong WangYuanliang MaLong YangPublished in: IEEE Trans. Veh. Technol. (2019)
Keyphrases
- covariance matrix
- covariance matrices
- frequency domain
- principal component analysis
- mahalanobis distance
- sample size
- estimation error
- gaussian mixture
- correlation matrix
- positive definite
- multivariate gaussian
- geometrical interpretation
- cma es
- objective function
- eigendecomposition
- doa estimation
- image processing
- direction of arrival
- class conditional densities
- symmetric matrix
- pseudo inverse
- dimensionality reduction
- lower bound
- similarity measure