Title :
Amplitude and frequency estimator of a sinusoid
Author_Institution :
Dept. of Eng., Univ. of Hull, UK
fDate :
6/1/2005 12:00:00 AM
Abstract :
A dynamic estimator with global convergence property is proposed to simultaneously reconstruct the unknown values of the amplitude, frequency, and offset of a sinusoidal signal which is measured. Several versions of the estimator along with illustrative simulations are presented.
Keywords :
amplitude estimation; convergence; frequency estimation; signal processing; dynamic estimator; global convergence property; sinusoid amplitude estimator; sinusoid frequency estimator; Adaptive control; Amplitude estimation; Control systems; Convergence; Frequency estimation; Frequency measurement; Observers; Programmable control; Signal design; State estimation; Adaptive observer; amplitude and frequency estimation; signal processing;
Journal_Title :
Automatic Control, IEEE Transactions on
DOI :
10.1109/TAC.2005.849244
