Journal
IEEE TRANSACTIONS ON SIGNAL PROCESSING
Volume 51, Issue 5, Pages 1264-1283Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSP.2003.810306
Keywords
joint diagonalization; joint parameter estimation; multidimensional ESPRIT; multiresolution ESPRIT; shift-invariance
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High-resolution parameter estimation techniques have recently been applied to jointly estimate multiple signal parameters. In this work, 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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