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Underdetermined High-Resolution DOA Estimation: A 2ρth-Order Source-Signal/Noise Subspace Constrained Optimization.
Jinho Choi
Chang D. Yoo
Published in:
IEEE Trans. Signal Process. (2015)
Keyphrases
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constrained optimization
high resolution
high frequency
constrained optimization problems
doa estimation
signal subspace
direction of arrival
principal component analysis
penalty function
probabilistic model
knn
signal to noise ratio