Sparse Bayesian DOA Estimation Using Hierarchical Synthesis Lasso Priors for Off-Grid Signals.
IEEE Transactions on Signal Processing(2020)
摘要
Within the conventional sparse Bayesian learning (SBL) framework, only Gaussian scale mixtures have been adopted to model sparsity-inducing priors that guarantee the exact inverse recovery. In light of the relative scarcity of formal SBL tools in enforcing a proper sparsity profile of signal vectors, we explore the use of hierarchical synthesis lasso (HSL) priors for representing the same small su...
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关键词
Direction-of-arrival estimation,Estimation,Bayes methods,Convergence,Arrays,Dictionaries,Signal processing algorithms
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