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Volume 26 Issue 2
Feb.  2000
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Journal of Beijing University of Aeronautics and Astronautics  > 2000  >  26(2): 137-140.
NING Huan-sheng, YANG Zhi-ling, WANG Bao-faet al. C-R Spline Fitting Theory for the RCS Computation \=of Low-Scattering Targets[J]. Journal of Beijing University of Aeronautics and Astronautics, 2000, 26(2): 137-140. (in Chinese)
Citation: NING Huan-sheng, YANG Zhi-ling, WANG Bao-faet al. C-R Spline Fitting Theory for the RCS Computation \=of Low-Scattering Targets[J]. Journal of Beijing University of Aeronautics and Astronautics, 2000, 26(2): 137-140. (in Chinese)
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C-R Spline Fitting Theory for the RCS Computation \=of Low-Scattering Targets

  • Beijing University of Aeronautics and Astronautics,Dept. of Electronic Engineering

  • Received Date: 19 Oct 1998
  • Publish Date: 29 Feb 2000
    Abstract
  • The geometric modelling and electromagnetic scattering characteristics of complex targets are discussed. In order to overcome the insufficiency of some other spline functions, the contour fitting of the targets was made conveniently and correctly by using Catmull-Rom spline fitting function. To the low RCS target, the effect of creeping wave is remarkable and larger than that of facets and wedges in some cases. Based on the C-R spline fitting theory, the problem of computing geodesic has been solved and a practical computing example of Low-RCS target fully proves the validity of the method by using the hybrid method of GRECO(Graphical Electromagnetic Computing) and creeping wave theory. the results can have practical engineering worth.

     

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  • [1] Tony D D, Brian A B. Geometric continuity, shape parameters, and geometric constructions for Catmull-Rom splines[J]. ACM Transactions on Graphics, 1988, 7(1):1~41. [2]Rius J M, Jofre L. High-frequency RCS of complex radar targets in real time[J]. IEEE Trans Antennas Propagation, 1993, 41(9):1308~1319. [3]汪茂光．几何绕射理论[M]．第2版．西安:西安电子科技大学出版社,1994. [4]廖朵朵,张华军. OpenGL三维图形程序设计[M]. 北京:星球地图出版社,1996.1~13.
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