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Author(s):
Altintas, Ayhan; Russer, Peter 
Title:
Time-Domain Equivalent Edge Currents for Transient Scattering 
Abstract:
Time-domain equivalent edge currents (TD-EEC) are developed for the transient scattering analysis. The development is based an the Fourier inversion of frequency domain equivalent edge current expressions. The time-domain diffracted fields are expressed in terms of a contour integral along the diffracting edges for any arbitrary input pulse shape, thereby yielding finite results at the caustics of diffracted rays. The approach also eliminates the need for the evaluation of a convolution integral...    »
 
Keywords:
caustics, circular disk, contour integral, diffracted rays, diffracting edges, electric current, electromagnetic wave scattering, EM transient scattering analysis, first order GTD, Fourier transform inversion, Fourier transforms, frequency domain equivalent edge current, geometrical theory of diffraction, GTD analysis, input pulse shape, inverse problems, time-domain analysis, time-domain diffracted fields, time-domain equivalent edge currents, transient analysis 
Journal title:
IEEE Transactions on Antennas and Propagation 
Year:
2001 
Journal volume:
49 
Month:
apr 
Journal issue:
Pages contribution:
602--606 
Print-ISSN:
0018-926X