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A statistical analysis of MUSIC null-spectrum via decomposition of estimation error
journal contributionposted on 1993-11-01, 00:00 authored by Jinho ChoiJinho Choi, I Song, S Kim, S Y Kim, H M Kim
A statistical performance analysis of the multiple signal classification (MUSIC) method is addressed in this paper. To obtain the first and second order statistics of the sample MUSIC null-spectrum at the directions of arrival, a method which does not require the eigendecomposition is considered for the two signal sources case. From this result we obtain a more exact expression of the resolution threshold which is then used to evaluate the resolution capability for two closely located signal sources.