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Localization of coherent sources using a modified spatial smoothing technique

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4 Author(s)
Williams, R.T. ; The Pennsylvania State University ; Prasad, S. ; Mahalanabis, A.K. ; Sibul, L.H.

Through both theoretical developement and simulation the method we have put forward has been shown to yield improved performance over the conventional spatial smoothing algorithm. Our discussion has demonstrated that for a given array length the proposed method can be used to increase the number of coherent signals that can be resolved and thus effectively increase array aperture. Our simulation results underscore this fact. As we will see this increase in aperture is obtained, to some extent, at the expense of robustness.

Published in:

Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '87.  (Volume:12 )

Date of Conference:

6-9 April 1987