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Volume 20 Issue 2
Mar.  1998
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Cui Suomin, Fang Dagang, Jin Dongxing. A HYBRID METHOD COMBINED EXTRAPOLATION TECHNIQUE WITH THE MOMENT METHOD FOR RCS COMPUTATION OF LARGE SCATTERERS[J]. Journal of Electronics & Information Technology, 1998, 20(2): 257-262.
Citation: Cui Suomin, Fang Dagang, Jin Dongxing. A HYBRID METHOD COMBINED EXTRAPOLATION TECHNIQUE WITH THE MOMENT METHOD FOR RCS COMPUTATION OF LARGE SCATTERERS[J]. Journal of Electronics & Information Technology, 1998, 20(2): 257-262.

A HYBRID METHOD COMBINED EXTRAPOLATION TECHNIQUE WITH THE MOMENT METHOD FOR RCS COMPUTATION OF LARGE SCATTERERS

  • Received Date: 1996-09-11
  • Rev Recd Date: 1997-06-10
  • Publish Date: 1998-03-19
  • An alternative hybrid method which combines an extrapolation technique with the moment method (MM) for solving scattering problems involving large scatterers is presented. The Matrix Pencil (MP) method which is more robust to noise in the sampled data is employed to extract characteristic parameters, and an effective and simple extrapolation technique is adopted. The bistatic RCS of 2D dielectric strip and 3D conduction thin wire are calculated by the modified method in this paper. The results are in good agreement with those from general MM. The effectiveness of the proposed method is demonstrated.
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  • Burside W D, et al. A technology to combine the geometrical theory of diffraction and the moment method. IEEE Trans. on AP, 1975, AP-23(6): 551-558.[2]Wang D S. Current-based hybrid analysis for surface-wave effects on large scatterers. IEEE Trans.[3]on AP, 1991, AP-39(7): 839-850.[4]Cui Suomin,et al. A hybrid method for EM scattering from a finned cylinder. Chinese Journal of Electronics, 1995, 4(1): 81-84.[5]Cui Suomin, Fang Dagang. Hybrid method for scattering by large bodies with cracks and gaps[J].Microwave and Optical Technology Letters.1996, 12(5):295-2983.0.CO;2-8' target='_blank'>[6]Chia T T, Burkhoder R J, Lee R. The application of FDTD in hybrid methods for cavity scattering analysis. IEEE Trans. on AP, 1995, AP-43(10): 1082-1090.[7]Jin J M, Ni S S, Lee S W. Hybridization of SBR and FEM for scattering by large bodies with cracks and cavities. IEEE Trans. on AP, 1995, AP-43(10): 1123-1139.[8]Altman Z, Mittra R, et al. Efficient representation of induced currents on large scatterers using the generalized pencil of function method. IEEE Trans. on AP, 1996, AP-44(1): 51-57.[9]Altman Z, Mittra R. Combining an extrapolation technique with the method of moments for solving large scattering problems involving bodies of revolution. IEEE Trans. on AP, 1996, AP-44(4): 548-553.[10]Machay A J, McCowen M. An improved pencil-of-function method and comparisons with traditional methods of pole extraction. IEEE Trans. on AP, 1987, AP-35(4): 435-441.[11]Sarkar T K, Pereira O. Using the matrix pencil method to estimate the parameters of a sutn of complex exponentials. IEEE Antennas Propagat. Mag., 1995, 37(1): 48-55.[12]Richmond J H. Scattering by thin dielectric strips. IEEE Trans. on AP, 1985, AP-33(1).
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