Multiresolution time-domain using CDF biorthogonal wavelets

T. Dogaru, L. Carin

Research output: Contribution to journalArticlepeer-review

77 Scopus citations


A new approach to the multiresolution time-domain (MRTD) algorithm is presented in this paper by introducing a field expansion in terms of biorthogonal scaling and wavelet functions. Particular focus is placed on the Cohen-Daubechies-Feauveau (CDF) biorthogonal-wavelet class, although the methodology is appropriate for general biorthogonal wavelets. The computational efficiency and numerical dispersion of the MRTD algorithm are addressed, considering several CDF biothogonal wavelets, as well as other wavelet families. The advantages of the biorthogonal MRTD method are presented, with emphasis on numerical issues.
Original languageEnglish (US)
Article number920147
Pages (from-to)902-912
Number of pages11
JournalIEEE Transactions on Microwave Theory and Techniques
Issue number5
StatePublished - Jun 18 2001
Externally publishedYes


  • Time domain analysis
  • Finite difference methods
  • Spatial resolution
  • Stability criteria
  • Wavelet analysis
  • Electromagnetic scattering
  • Dielectrics
  • Equations
  • Computational efficiency
  • Multiresolution analysis


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