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Since the data matrix of the forward-backward linear prediction (FBLP) in spatial domain is not a Toeplitz-Hankel structure, the well-developed fast FBLP in temporal domain cannot be straightforwardly applied to the directions-of-arrival (DOAs) estimation of radiating sources via an array of sensors. Moreover, the slow convergence of the least mean square (LMS)-based FBLP presented by Lee et al. (1990)...