Fourier analysis using spectral observers

1 January 1980

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IEEE

Vol. 68 (2) , 284-285
https://doi.org/10.1109/PROC.1980.11627

Abstract

New techniques for Fourier spectral analysis are reported, for which ongoing spectral estimates are generated in real time. The algorithms are recursive, expressable in state variable form, and involve real number computations. The ability of these spectral observers to perform one-step-per-sample updating is demonstrated with numerical examples.

Keywords

SPECTRAL ANALYSIS
POWER HARMONIC FILTERS
OBSERVERS
SAMPLING METHODS
DISCRETE FOURIER TRANSFORMS
FOURIER TRANSFORMS
FAST FOURIER TRANSFORMS
FREQUENCY
DIFFERENTIAL EQUATIONS
POLYNOMIALS

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