On the eigenstructure of the signal-only tempo-spatial covariance matrix of broad-band sources using a circular array.
Hagit Messer-YaronYosef RockahPublished in: IEEE Trans. Acoust. Speech Signal Process. (1990)
Keyphrases
- covariance matrix
- direction of arrival
- covariance matrices
- sample size
- signal processing
- positive definite
- principal component analysis
- correlation matrix
- pseudo inverse
- gaussian mixture
- mahalanobis distance
- cma es
- multivariate gaussian
- geometrical interpretation
- eigendecomposition
- eigenvalues and eigenvectors
- objective function
- patch antenna
- doa estimation
- estimation error
- transformation matrix
- frequency band
- high frequency
- frequency domain
- image processing
- class conditional densities