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  • Research Article
  • Open Access

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

  • 1Email author,
  • 2, 3,
  • 2,
  • 3 and
  • 2
EURASIP Journal on Advances in Signal Processing20072007:029507

  • Received: 10 August 2006
  • Accepted: 17 December 2006
  • Published:


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 Technology
  • Linear Combination
  • Signal Processing
  • Power System
  • Quantum Information

Authors’ Affiliations

Departamento de Eletrônica e Telecomunicações (DETEL), Faculdade de Engenharia (FEN), Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, RJ, 20550-900, Brazil
Laboratory of Signal Processing, PEE/COPPE and DEL/Poli, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, CP 68504, 21941-972, Brazil
Electric Power Research Center (CEPEL), Rio de Janeiro, RJ, CP 68007, 21941-590, Brazil


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© Lisandro Lovisolo et al. 2007

This article is published under license to BioMed Central Ltd. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.