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Sparse Bayesian learning for off-grid DOA estimation with Gaussian mixture priors when both circular and non-circular sources coexist.
Rui Zheng
Xu Xu
Zhongfu Ye
Tarek Hasan Al Mahmud
Jisheng Dai
Kashif Shabir
Published in:
Signal Process. (2019)
Keyphrases
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gaussian mixture
sparse bayesian learning
doa estimation
direction of arrival
em algorithm
expectation maximization
gaussian mixture model
probability density function
information retrieval
pattern recognition
prior knowledge
closed form
image processing
nearest neighbor