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This paper presents some of the statistical properties of a new signal-subspace approach to the estimation of the angles-of-arrival (AOA) of several wideband plane waves received in noise. This approach is denoted as the Coherent Signal-Subspace Method (CSM). The statistics that are presented include the bias and variance of the AOA estimates as well as a statistical measure of the similarity between the true and estimated coherent signal-subspaces.
Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '85. (Volume:10 )
Date of Conference: Apr 1985