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In this paper, we propose to localize and characterize coherently distributed (CD) sources in near-field. Indeed, it appears that in some applications, the more the sources are close to the array of sensors, the more they seem to be scattered. It thus appears to be of the biggest importance to take into account the angular distribution of the sources in the joint direction of arrival (DOA) and range...
The computational complexity of root MUSIC, which is on the order of (2N−2) 3 , turns out to be computationally expensive when N is large, where N is the number of array elements. To reduce the computational complexity, an efficient implementation of root MUSIC using the multi-taper rooting technique is developed. It decomposes the (2N−2)-order complex polynomial as 2N−1 groups of low order...
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