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A New Approach to Spatial Power Spectral Density Estimation for Multiple Incoherently Distributed Sources

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2 Author(s)
Shahram Shahbazpanahi ; Faculty of Engineering and Applied Science, Univ. of Ontario Institute of Technology, Oshawa, Ontario, Canada, Email: ; Shahrokh Valaee

In this paper, a new technique is proposed for estimating the total spatial power spectral density (PSD) caused by multiple incoherently distributed sources. Our approach is based on the fact that the array covariance matrix can be represented through the moments of the spatial PSD. Based on this representation, we develop a computationally efficient technique to estimate the moments from the array covariance matrix. The so-obtained moments are then used to estimate the total spatial PSD.

Published in:

2007 IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP '07  (Volume:2 )

Date of Conference:

15-20 April 2007