Attenuation Estimation From Correlated Sequences

We calculate the frequency-dependent variance of the log spectral ratio for correlated time series. This is used to produce a weighted least-squares approach to attenuation estimation, with weights calculated from estimated coherence. Applications to synthetic and real data illustrate that, for corr...

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Veröffentlicht in:	IEEE transactions on signal processing 2007-01, Vol.55 (1), p.378-383
Hauptverfasser:	Medkour, T., Walden, A.T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aerodynamics Applied sciences Attenuation Back Bayesian methods Biomedical imaging Coherence Correlation Data analysis Detection, estimation, filtering, equalization, prediction Estimates Exact sciences and technology Frequency estimation Image segmentation Information, signal and communications theory Interpolation Least squares method Mathematical analysis Noise reduction Signal and communications theory Signal, noise Spectra spectral ratios Telecommunications and information theory Time series
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