Beamspace-based underdetermined DOA estimator via Khatri-Rao subspace for quasi-stationary signals.

Xiaogang Liu Bingbing Qi

Published 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