Analysis of the CDF biorthogonal MRTD method with application to PEC targets

Xianyang Zhu, Traian Dogaru, Lawrence Carin

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


We consider the biorthogonal Cohen-Daubechies-Feauveau (CDF) wavelet family in the context of a biorthogonal multiresolution time-domain (bi-MRTD) analysis. A disadvantage of previous bi-MRTD analyses is an inability to handle abrupt changes in material properties, particularly for a perfect electric conductor (PEC). A multiregion method is proposed to address PEC targets. The proposed method is based on the fact that the CDF bi-MRTD may be viewed as a linear combination of several conventional finite-difference time-domain (FDTD) solutions. The implementation of the connecting surface is also simplified. Several numerical results are presented, with comparison to analytic and FDTD results.
Original languageEnglish (US)
Pages (from-to)2015-2022
Number of pages8
JournalIEEE Transactions on Microwave Theory and Techniques
Issue number9
StatePublished - Sep 1 2003
Externally publishedYes


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