Estimation of structured covariances with application to array beamforming
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Gray, D. A.
Anderson, B. D.O.
Sim, P. K.
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Abstract
The estimation of covariance matrices which are structured, for example, of Toeplitz type, from measurement data is considered. The problem is considered in the context of array beamforming, and various methods of estimation are derived and compared, such comparison including consideration of the behavior of the estimate in beamforming applications.
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Circuits, Systems, and Signal Processing
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