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A new ESPRIT-like algorithm is proposed for the estimation of the central direction of arrival (DOA) of a single distributed source. It is showed that the two signal subspaces are related by a rotation matrix, which can be used to estimate the central DOA. The so-obtained DOA estimate does not depend on any assumption on the spatial distribution of the source and is hence robust to mismodeling. For...
Beamspace propagator method is suggested to estimate the central direction of arrival and angular spread for distributed source jointly. Especially for coherently distributed source, when the deterministic angular signal density is uniform, the nominal steering vector is deduced to subject to Vandermonde matrix. The proposed method is a possible alternative to conventional propagator method to estimate...
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