Eigendecomposition versus singular value decomposition in adaptive array signal processing
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Two important questions in array signal processing are addressed in this paper: the data matrix versus autocorrelation matrix alternative and the recursive implementation of subspace DOA methods. The discussion of the first question is done in face of the proposed class of recursive algorithms. These new algorithms are easily implementable and have a high degree of parallelism that is suitable for on-line implementations. Algorithms for recursive implementation of the eigendecomposition (ED) of the autocorrelation matrix and SVD of the data matrix are described. The ED/SVD trade-off is discussed.
CitationDuarte, M., Lagunas, M. Eigendecomposition versus singular value decomposition in adaptive array signal processing. "Signal processing", Octubre 1991, vol. 25, núm. 1, p. 25-50.