Advanced methods for spectral estimation
Abstract
The field of research that deals with the Spectral Estimation problem is fundamental and plays a pivotal role within the wider scientific area of signal processing. Even though this field has been the scope of considerable research activity for several decades, recently there has been increased interest from the scientific community regarding a specific category of Spectral Estimators, the so-called Adaptive Filter-Banks. This category of estimators falls within the class of Non Parametric methods for spectral estimation and comprises techniques that are known to produce high quality estimates. However, these methods are modeled by highly perplexed mathematical formulations which - unavoidably - require an extremely high computational load when implemented in a straightforward manner (brute force). This doctoral thesis attempts to contribute in this field of study, setting as its primary goal, the formulation of low complexity algorithms for a series of spectral estimation methods of t ...
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