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Fast parallel iterative calculating of the composite scattering between targets and rough surface

Wang Xiao-Bing Liang Zi-Chang Wu Zhen-Sen

Fast parallel iterative calculating of the composite scattering between targets and rough surface

Wang Xiao-Bing, Liang Zi-Chang, Wu Zhen-Sen
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  • Received Date:  22 September 2011
  • Accepted Date:  26 October 2011
  • Published Online:  20 June 2012

Fast parallel iterative calculating of the composite scattering between targets and rough surface

  • 1. School of Science, Xidian University, Xi'an 710071, China;
  • 2. The State Key-Lab for Electromagnetic Characters of Environment, Shanghai 200438, China

Abstract: A new fast far field approximation algorithm is introduced to calculate the composite scattering characteristics of rough surface and the target in near field, by using the reduced-order electromagnetic current iteration method. Also we use the multi-process parallel algorithm to reduce the simulation time and analyze the influence on the results of the reduced-order electromagnetic current iteration. The calculated results by the algorithm described in the paper and the results obtained by multi-level fast multi-pole method (MLFMM) are in good agreement, so the effectiveness of the algorithm is verified. At the same time, the use of tank to carry out the measurements of near-field complex scattering between the targets and rough surfaceshows that the test results and the calculation results are very consistent.

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