Parameter estimation of superimposed damped sinusoids using exponential windows

Authors:
M. Ali Al-Radhawi;Karim Abed-Meraim
Affiliations:
-;-
Venue:
Signal Processing
Year:
2014

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Abstract

This paper presents a preprocessing technique based on exponential windowing (EW) for parameter estimation of superimposed exponentially damped sinusoids. It is shown that the EW technique significantly improves the robustness to noise over two other commonly used preprocessing techniques: subspace decomposition and higher order statistics. An ad hoc but efficient approach for the EW parameter selection is provided and shown to provide close to CRB performance.