Title :
Global estimation of n unknown frequencies
Author :
Marino, Riccardo ; Tomei, Patrizio
Author_Institution :
Dipt. Ingegneria Elettronica, Rome Univ. Tor Vergata, Italy
fDate :
8/1/2002 12:00:00 AM
Abstract :
Given a signal which is available for measurements and consists of the sum of a bias and n sinusoids with unknown amplitudes, frequencies and phases, a dynamic algorithm is designed to recover online the unknown values of the frequencies, for any initial condition and any value of frequencies, amplitudes and phases.
Keywords :
adaptive signal processing; amplitude estimation; frequency estimation; observers; phase estimation; adaptive observer; bias; dynamic algorithm; global frequency estimation; initial conditions; online value recovery; signal measurements; sinusoids; unknown amplitudes; unknown frequencies; unknown phases; Adaptive control; Automatic control; Delay effects; Differential equations; Frequency estimation; Laplace equations; Programmable control; Rivers; Robust control; Robust stability;
Journal_Title :
Automatic Control, IEEE Transactions on
DOI :
10.1109/TAC.2002.800761
