Beamspace-based underdetermined DOA estimator via Khatri-Rao subspace for quasi-stationary signals.
Xiaogang LiuBingbing QiPublished in: Digit. Signal Process. (2023)
Keyphrases
- direction of arrival
- signal subspace
- blind source separation
- non stationary
- estimation error
- confidence level
- independent component analysis
- source signals
- signal processing
- high dimensional data
- mixing matrix
- blind separation
- least squares
- independent components
- maximum likelihood
- low dimensional
- correlation matrix
- high dimensional
- sensor array
- variance estimator
- subspace methods
- subspace learning
- maximum a posteriori
- linear subspace
- subspace clustering
- subspace clusters
- linear array
- doa estimation
- dimensionality reduction
- eigendecomposition
- confidence intervals
- discriminant analysis
- steady state
- markov random field
- feature space
- image processing