Performance degradation of DOA estimators due to unknown noise fields
- 1 January 1991
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- p. 1413-1416 vol.2
- https://doi.org/10.1109/icassp.1991.150692
Abstract
A statistical performance analysis of subspace-based direction-of-arrival (DOA) estimation algorithms in the presence of correlated observation noise with unknown covariance is presented. This analysis of five different estimation algorithms is unified by a single expression for the mean-squared DOA estimation error which is derived using a subspace perturbation expansion. The analysis assumes that only finite amount of array data is available.Keywords
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