Open Access

Modeling of Electric Disturbance Signals Using Damped Sinusoids via Atomic Decompositions and Its Applications

  • Lisandro Lovisolo1Email author,
  • Michel P. Tcheou2, 3,
  • Eduardo A. B. da Silva2,
  • Marco A. M. Rodrigues3 and
  • Paulo S. R. Diniz2
EURASIP Journal on Advances in Signal Processing20072007:029507

Received: 10 August 2006

Accepted: 17 December 2006

Published: 5 March 2007


The number of waveforms monitored in power systems is increasing rapidly. This creates a demand for computational tools that aid in the analysis of the phenomena and also that allow efficient transmission and storage of the information acquired. In this context, signal processing techniques play a fundamental role. This work is a tutorial reviewing the principles and applications of atomic signal modeling of electric disturbance signals. The disturbance signal is modeled using a linear combination of damped sinusoidal components which are closely related to the phenomena typically observed in power systems. The signal model obtained is then employed for disturbance signal denoising, filtering of "DC components," and compression.


Information TechnologyLinear CombinationSignal ProcessingPower SystemQuantum Information


Authors’ Affiliations

Departamento de Eletrônica e Telecomunicações (DETEL), Faculdade de Engenharia (FEN), Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, Brazil
Laboratory of Signal Processing, PEE/COPPE and DEL/Poli, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
Electric Power Research Center (CEPEL), Rio de Janeiro, Brazil


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© Lisandro Lovisolo et al. 2007

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