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Off-grid DOA estimation using array covariance matrix and block-sparse Bayesian learning

State EstimationStatistical Signal ProcessingEngineeringData ScienceBlock-sparse Bayesian LearningOff-grid Doa EstimationSpectrum EstimationSignal ProcessingStatistical InferenceInverse ProblemsPrincipal Component AnalysisEstimation TheoryLocalizationStatisticsArray Covariance Matrix