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Application of Haar-wavelet-based multiresolution time-domain schemes to electromagnetic scattering problems

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2 Author(s)
Dogaru, T. ; Dept. of Electr. & Comput. Eng., Duke Univ., Durham, NC, USA ; Carin, L.

The multiresolution time-domain (MRTD) algorithm is applied to the problem of general two-dimensional electromagnetic scattering. A Haar wavelet expansion is utilized. A parallel between Haar MRTD and the classic Yee finite-difference time-domain (FDTD) algorithm is discussed, and results of simulations on canonical targets are shown for comparison. We focus on the incident-field implementation, which, in our case, consists of a pulsed plane wave. Also, we consider scattering in a half-space environment, with application to subsurface sensing. The results illustrate the advantage of the Haar MRTD method as compared with the classic FDTD, which consists of reduced memory and execution time requirements, without sacrificing accuracy

Published in:

Antennas and Propagation, IEEE Transactions on  (Volume:50 ,  Issue: 6 )

Date of Publication:

Jun 2002

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