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- W2374404684 abstract "In this paper,we research the problem of estimating the two-dimensional(2D) direction-of-arrival(DOA) of coherently distributed source,and propose a low-complexity method for the 2D nominal DOA estimation using a particular L-shape array geometry.The proposed method firstly obtains the decoupled shape of the nominal DOAs of distributed sources by Taylor approximation to the generalized steering vectors of two pairs of shifted subarrays,and then derives two rotational invariance relations with respect to the nominal DOAs.Finally,an improved TLS-ESPRIT algorithm is used to estimate the central azimuth DOA and central elevation DOA of distributed sources.In addition,a parameter matching method is also given in this paper.The method needs no peak-finding searching and so it has lower computational complexity.Moreover,it is fit for the multi-source scenario with different angular distributions.Simulation results demonstrate its effectiveness." @default.
- W2374404684 created "2016-06-24" @default.
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- W2374404684 date "2010-01-01" @default.
- W2374404684 modified "2023-09-24" @default.
- W2374404684 title "Low-complexity method for the 2D DOA decoupled estimation of coherently distributed sources" @default.
- W2374404684 hasPublicationYear "2010" @default.
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