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http://dx.doi.org/10.5515/KJKIEES.2008.19.4.427

A Stable MOT Scheme with Combined Field Integral Equation for the Analysis of Transient Scattering from Conducting Structure  

Lee, Chang-Hwa (School of Electrical Engineering and Computer Science, Kyungpook national University)
An, Ok-Kyu (Dept. of Semiconductor and Display Engineering, Hoseo University)
Kwon, Woo-Hyen (School of Electrical Engineering and Computer Science, Kyungpook national University)
Jung, Baek-Ho (Dept. of Information and Communication Engineering, Hoseo University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.19, no.4, 2008 , pp. 427-435 More about this Journal
Abstract
In this paper, a stable marching-on in time(MOT) method with a time domain combined field integral equation(CFIE) is presented to obtain the transient scattering response from arbitrarily shaped three-dimensional conducting bodies. This formulation is based on a linear combination of the time domain electric field integral equation(EFIE) with the magnetic field integral equation(MFIE). The time derivatives in the EFIE and MFIE are approximated using a central finite difference scheme and other terms are averaged over time. This time domain CFIE approach produces results that are accurate and stable when solving for transient scattering responses from conducting objects. Numerical results with the proposed MOT scheme are presented and compared with those obtained from the conventional method and the inverse discrete Fourier transform(IDFT) of the frequency domain CFIE solution.
Keywords
MOT; CFIE; Integral Equation; Transient; Scattering;
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