Title :
Efficient computation of the time-domain scattering from bodies of revolution
Author :
Wang, A. ; Prata, A., Jr. ; Rusch, W.V.T.
Author_Institution :
Hughes Aircraft Co., Fullerton, CA, USA
fDate :
June 28 1993-July 2 1993
Abstract :
An approach obtaining the time-domain scattering from metal, dielectric, or dielectric-coated bodies of revolution (BORs) is presented. The axial symmetry of the BORs enables a Fourier mode decomposition in the frequency domain, thereby allowing three-dimensional problems to be treated in two dimensions. By implementing the moment method and inverse discrete Fourier transform techniques, the proposed approach enables the time-domain analysis of more complicated objects, such as multiple metal scatterers and dielectric-coated scatterers. The effects of lossy and dispersive materials can be easily included in the time-domain analysis. Several examples are presented to illustrate the capabilities of the proposed approach.<>
Keywords :
discrete Fourier transforms; electromagnetic wave scattering; inverse problems; method of moments; time-domain analysis; Fourier mode decomposition; axial symmetry; dielectric-coated bodies of revolution; dispersive materials; inverse discrete Fourier transform; lossy materials; moment method; multiple metal scatterers; three-dimensional problems; time-domain scattering; Dielectrics; Discrete Fourier transforms; Frequency domain analysis; Geometry; Integral equations; Material storage; Moment methods; Sampling methods; Scattering; Time domain analysis;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1993. AP-S. Digest
Conference_Location :
Ann Arbor, MI, USA
Print_ISBN :
0-7803-1246-5
DOI :
10.1109/APS.1993.385341
