CUI Junwei, YANG Yang. Visual Computing of Complicated Target with Radar Absorbing Material[J]. Chinese Journal of Electronics, 2016, 25(1): 106-113. doi: 10.1049/cje.2016.01.017
Citation: CUI Junwei, YANG Yang. Visual Computing of Complicated Target with Radar Absorbing Material[J]. Chinese Journal of Electronics, 2016, 25(1): 106-113. doi: 10.1049/cje.2016.01.017

Visual Computing of Complicated Target with Radar Absorbing Material

doi: 10.1049/cje.2016.01.017
Funds:  This work is supported by the National Natural Science Foundation of China (No.50908036).
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  • Corresponding author: YANG Yang (corresponding author) was born in 1975. She received the Ph.D. degree in engineering mechanics from Harbin University of Technology. (Email: yangyanghit@126.com)
  • Received Date: 2014-08-29
  • Rev Recd Date: 2014-11-25
  • Publish Date: 2016-01-10
  • Radar-absorbing materials (RAM), which effectively reduce the radar cross section of targets, are extensively used in stealth optimization of targets. Graphic electromagnetic computing (GRECO) uses graphic acceleration cards and Z-Buffer techniques to address blanking and non-visibility issues in traditional electronic magnetic algorithms. The traditional GRECO is improved to overcome its inability to precisely extract geometric information on visible surfaces and the dependence of calculation accuracy on screen resolution. An algorithm that can calculate the multiple scattering of metal dihedral-coated RAM is proposed. In addition, the element search method used in traditional dihedral calculation is improved, and calculation time is reduced by a significant margin. After the experimental results were compared, the accuracy of the algorithm is examined. The proposed algorithm, combined with the improved GRECO, can used to analyze the stealth performance of complicated targets coated single- or multi-layered RAM.
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