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Adaptive scattering analysis of objects over a broad frequency band

Du Hong-Mei Chen Ming-Sheng Wu Xian-Liang

Adaptive scattering analysis of objects over a broad frequency band

Du Hong-Mei, Chen Ming-Sheng, Wu Xian-Liang,
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  • Abstract views:  1748
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  • Received Date:  29 June 2011
  • Accepted Date:  10 May 2012
  • Published Online:  05 May 2012

Adaptive scattering analysis of objects over a broad frequency band

    Corresponding author: chenms@ustc.edu.cn
  • 1. Key Lab of Intelligent Computing & Signal Processing, Anhui University, Ministry of Education, Hefei 230039, China;
  • 2. Department of Physics and Electronic Engineering, Hefei Normal University, Hefei 230601, China
Fund Project:  Project supported by the Key Program of National Natural Science Foundation of China (Grant No.60931002), the National Natural Science Foundation of China (Grant No.61001033), the Natural Science Foundation of the Anhui Higher Education Institution of China (Grant No. KJ2011A240), and the Science and Technological Fund of Anhui Province for Outstanding Youth (Grant No. 10040606Y08).

Abstract: The error of asymptotic waveform evaluation (AWE) is estimated by the error analysis of rational approximation, and an efficient bandwidth estimation approach is finally proposed, which is used to form a new adaptive frequency-sweep analysis algorithm for a given frequency band in this paper. The broadband electromagnetic scattering analysis of three-dimensional (3-D) perfectly electrically conducting (PEC) objects with different shapes is performed, and dispersive dielectric object is considered. The effectiveness of the proposed method is proved by comparing the numerical results with those obtained from the analytical solution and the direct solution.

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