Robust auto-focusing wideband DOA estimation
Signal Processing
Broadband ML estimation under model order uncertainty
Signal Processing
MUSIC-like DOA estimation without estimating the number of sources
IEEE Transactions on Signal Processing
Classical and Modern Direction-of-Arrival Estimation
Classical and Modern Direction-of-Arrival Estimation
IEEE Transactions on Signal Processing
Direction finding for wide-band signals using an interpolated array
IEEE Transactions on Signal Processing
Wavefield modeling and array processing .II. Algorithms
IEEE Transactions on Signal Processing
TOPS: new DOA estimator for wideband signals
IEEE Transactions on Signal Processing - Part I
On focusing matrices for wide-band array processing
IEEE Transactions on Signal Processing
On focusing matrices for wide-band array processing
IEEE Transactions on Signal Processing
Detection of the Number of Signals Using the Benjamini-Hochberg Procedure
IEEE Transactions on Signal Processing
Paper: Modeling by shortest data description
Automatica (Journal of IFAC)
Fast DOA estimation of incoherently distributed sources by novel propagator
Multidimensional Systems and Signal Processing
Multidimensional Systems and Signal Processing
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In this paper, we present a new approach for wideband direction of arrival (DOA) estimation incorporating derivative constraints into the optimization problem. The Taylor series expansion of steering vector with respect to frequency exhibits the dependence of sensor snapshots on the derivatives of the array manifold matrix, suppression of which reduces the data to follow the narrowband data model. Two new formulations following a beamformer framework are developed based on this observation. While the first formulation estimates accurate source directions with apriori knowledge of the signal subspace dimension, the second formulation provides DOA estimates without estimating the number of sources. The coherent averaging at the reference frequency enables the two formulations to handle coherent sources. The effectiveness of the proposed formulations is illustrated with simulations.