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Model-Based and Matched-Filterbank Signal Analysis
2000 (English)Doctoral thesis, monograph (Other academic)
Abstract [en]

The dissertation deals with model-based and matched-filterbank signal analysis. The matched-filterbank (MAFI) spectral estimation approach is introduced, and it is shown that both the amplitude spectrum Capon (ASC) and the amplitude and phase estimation (APES) spectral

estimators can be expressed as MAFI spectral estimators. A combined estimation procedure for data with mixed spectrum is introduced, as well as ASC and APES implementations for real-valued data. Computationally efficient implementations of the 2-D power spectrum Capon (PSC) and the 1-D and 2-D ASC are proposed.



An asymptotic Cramer-Rao bound for line-spectra estimation is derived. It is shown that the non-linear least squares method (NLSM) will asymptotically achieve the same statistical performance as the maximum likelihood method (MLM) even in the colored noise case. Sufficient conditions for identifiability are derived for known and unknown waveforms received through a multipath channel. Statistically efficient subspace-based estimators for the estimation

of the time-delay and Doppler parameters are presented.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis , 2000.
Keyword [en]
non-parametric spectral estimation, efficient implementations, array processing, parameter estimation, identifiability, subspace fitting
Identifiers
URN: urn:nbn:se:kau:diva-21523ISBN: 9155445713OAI: oai:DiVA.org:kau-21523DiVA: diva2:595196
Available from: 2013-01-21 Created: 2013-01-21 Last updated: 2013-01-21

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