Performance analysis of beamformers using generalized loading of the covariance matrix in the presence of random steering vector errors.
Olivier BessonFrançois VincentPublished in: IEEE Trans. Signal Process. (2005)
Keyphrases
- covariance matrix
- symmetric matrix
- relative entropy
- eigenvalues and eigenvectors
- covariance matrices
- classification noise
- estimation error
- sample size
- principal component analysis
- correlation matrix
- transformation matrix
- mahalanobis distance
- geometrical interpretation
- vector space
- gaussian mixture
- random matrix theory
- positive definite
- eigenvalue decomposition
- pseudo inverse
- eigendecomposition
- least squares
- lower bound
- multivariate gaussian
- feature vectors
- objective function
- cma es
- class conditional densities
- multivariate normal
- computer vision
- feature extraction