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Estimating the number of sinusoids in additive white noise

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1 Author(s)
Fuchs, J.-J. ; IRISA, Rennes I Univ., France

The test proposed uses the eigenvector decomposition of the estimated autocorrelation matrix and is based on matrix perturbation analysis. The estimator is shown to be able to resolve closely spaced sinusoids at lower signal-to-noise ratios than heuristic tests. Simulation results for two closely spaced sinusoids are detailed. Several unanswered questions are discussed

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Acoustics, Speech and Signal Processing, IEEE Transactions on  (Volume:36 ,  Issue: 12 )