Fast DOA estimation based on a split subspace decomposition on the array covariance matrix.
Fenggang YanYi ShenMing JinPublished in: Signal Process. (2015)
Keyphrases
- covariance matrix
- direction of arrival
- signal subspace
- correlation matrix
- doa estimation
- covariance matrices
- estimation error
- eigendecomposition
- principal component analysis
- principal components analysis
- sample size
- antenna array
- principal components
- pseudo inverse
- linear array
- canonical correlation analysis
- objective function
- dimensionality reduction methods
- geometrical interpretation
- dimension reduction
- dimensionality reduction
- sound source
- gaussian mixture
- singular value decomposition
- maximum likelihood
- feature space
- pattern recognition