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Analysis of joint angle-frequency estimation using ESPRIT

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3 Author(s)
Lemma, A.N. ; Dept. of Inf. Technol., Delft Univ. of Technol., Netherlands ; van der Veen, A.-J. ; Deprettere, E.F.

High-resolution parameter estimation techniques have been applied to jointly estimate multiple signal parameters. we consider the problem of determining the directions and center frequencies of a number of narrowband sources in a band of interest. We present a joint angle-frequency estimation method, based on the multidimensional ESPRIT algorithm. A perturbation error analysis gives bounds on the parameter estimates and provides optimal values for the temporal and spatial smoothing parameters. The analysis is shown to be consistent with simulation results.

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Signal Processing, IEEE Transactions on  (Volume:51 ,  Issue: 5 )