Covariance Matrix Differencing for Coherent Source DOA Estimation Under Unknown Noise Field.
Nizar TayemHyuck M. KwonSeunghyun MinDong Hee KangPublished in: VTC Fall (2006)
Keyphrases
- covariance matrix
- doa estimation
- estimation error
- correlation matrix
- signal subspace
- covariance matrices
- direction of arrival
- principal component analysis
- geometrical interpretation
- principal components analysis
- sample size
- signal to noise ratio
- noise level
- pseudo inverse
- objective function
- noise model
- principal components
- pattern recognition