Complex natural resonances of conducting planar objects buried in a dielectric half-space

Wang, Yong, Longstaff, I. D., Leat, C. J. and Shuley, N. V. (2001) Complex natural resonances of conducting planar objects buried in a dielectric half-space. IEEE Transactions On Geoscience And Remote Sensing, 39 6: 1183-1189. doi:10.1109/36.927439


Author Wang, Yong
Longstaff, I. D.
Leat, C. J.
Shuley, N. V.
Title Complex natural resonances of conducting planar objects buried in a dielectric half-space
Journal name IEEE Transactions On Geoscience And Remote Sensing   Check publisher's open access policy
ISSN 0196-2892
Publication date 2001-06-01
Sub-type Article (original research)
DOI 10.1109/36.927439
Volume 39
Issue 6
Start page 1183
End page 1189
Total pages 7
Editor L. Tsang
Place of publication Piscataway, N.J., U.S.A.
Publisher IEEE Geoscience and Remote Sensing Society
Collection year 2001
Language eng
Subject C1
290903 Other Electronic Engineering
610102 Army
0906 Electrical and Electronic Engineering
Abstract A scheme is presented to incorporate a mixed potential integral equation (MPIE) using Michalski's formulation C with the method of moments (MoM) for analyzing the scattering of a plane wave from conducting planar objects buried in a dielectric half-space. The robust complex image method with a two-level approximation is used for the calculation of the Green's functions for the half-space. To further speed up the computation, an interpolation technique for filling the matrix is employed. While the induced current distributions on the object's surface are obtained in the frequency domain, the corresponding time domain responses are calculated via the inverse fast Fourier transform (FFT), The complex natural resonances of targets are then extracted from the late time response using the generalized pencil-of-function (GPOF) method. We investigate the pole trajectories as we vary the distance between strips and the depth and orientation of single, buried strips, The variation from the pole position of a single strip in a homogeneous dielectric medium was only a few percent for most of these parameter variations.
Keyword Geochemistry & Geophysics
Engineering, Electrical & Electronic
Remote Sensing
Complex Natural Resonance
Electromagnetic (em) Scattering
Ground Penetrating Radar (gpr)
Land-mines
Electromagnetic Scattering
Transient-response
Extracting Poles
Greens-functions
Layered Medium
Lossy
Simulation
Revolution
Radiation
Ordnance
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Information Technology and Electrical Engineering Publications
 
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Created: Wed, 15 Aug 2007, 01:50:02 EST