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Fast multipole method for scattering from an arbitrary PEC target above or buried in a lossy half space

Publication ,  Journal Article
Geng, N; Sullivan, A; Carin, L
Published in: IEEE Transactions on Antennas and Propagation
May 1, 2001

The fast multipole method (FMM) was originally developed for perfect electric conductors (PECs) in free space, through exploitation of spectral properties of the free-space Green's function. In the work reported here, the FMM is modified, for scattering from an arbitrary three-dimensional (3-D) PEC target above or buried in a lossy hall space. The "near" terms in the FMM are handled via the original method-of-moments (MoM) analysis, wherein the half-space Green's function is evaluated efficiently and rigorously through application of the method of complex images. The "far" FMM interactions, which employ a clustering of expansion and testing functions, utilize an approximation to the Green's function dyadic via real image sources anal far-field reflection dyadics. The half-space FMM algorithm is validated through comparison with results computed via a rigorous MoM analysis. Further, a detailed comparison is performed on the memory and computational requirements of the MoM and FMM algor ithms for a target in the vicinity of a half-space interface.

Duke Scholars

Published In

IEEE Transactions on Antennas and Propagation

DOI

ISSN

0018-926X

Publication Date

May 1, 2001

Volume

49

Issue

5

Start / End Page

740 / 747

Related Subject Headings

  • Networking & Telecommunications
  • 4009 Electronics, sensors and digital hardware
  • 4008 Electrical engineering
  • 4006 Communications engineering
  • 1005 Communications Technologies
  • 0906 Electrical and Electronic Engineering
 

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Geng, N., Sullivan, A., & Carin, L. (2001). Fast multipole method for scattering from an arbitrary PEC target above or buried in a lossy half space. IEEE Transactions on Antennas and Propagation, 49(5), 740–747. https://doi.org/10.1109/8.929628
Geng, N., A. Sullivan, and L. Carin. “Fast multipole method for scattering from an arbitrary PEC target above or buried in a lossy half space.” IEEE Transactions on Antennas and Propagation 49, no. 5 (May 1, 2001): 740–47. https://doi.org/10.1109/8.929628.
Geng N, Sullivan A, Carin L. Fast multipole method for scattering from an arbitrary PEC target above or buried in a lossy half space. IEEE Transactions on Antennas and Propagation. 2001 May 1;49(5):740–7.
Geng, N., et al. “Fast multipole method for scattering from an arbitrary PEC target above or buried in a lossy half space.” IEEE Transactions on Antennas and Propagation, vol. 49, no. 5, May 2001, pp. 740–47. Scopus, doi:10.1109/8.929628.
Geng N, Sullivan A, Carin L. Fast multipole method for scattering from an arbitrary PEC target above or buried in a lossy half space. IEEE Transactions on Antennas and Propagation. 2001 May 1;49(5):740–747.

Published In

IEEE Transactions on Antennas and Propagation

DOI

ISSN

0018-926X

Publication Date

May 1, 2001

Volume

49

Issue

5

Start / End Page

740 / 747

Related Subject Headings

  • Networking & Telecommunications
  • 4009 Electronics, sensors and digital hardware
  • 4008 Electrical engineering
  • 4006 Communications engineering
  • 1005 Communications Technologies
  • 0906 Electrical and Electronic Engineering