广义多极子技术在含有尖锐棱边的二维理想导电柱散射问题中的应用
THE GENERALIZED MULTIPOLE TECHNIQUE FOR PERFECTLY CONDUCTING CYLINDERS WITH SHARP EDGES
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摘要: 本文探讨了广义多极子技术(GMT)不能处理理想导体尖锐棱边散射问题的根源,并引入有限差分技术,使之与GMT结合形成了可有效处理这类散射问题的混合分析技术,文中算例证明了所得方法的可靠性和有效性。Abstract: The principle of the generalized multipole technique (GMT) is studied, and the cause is discovered that the technique can not be applied to perfectly conducting scatterers with sharp edges. Then a new method, combining GMT with finite difference technique, is proposed. Using the new method, the scatterings from sharp edges can be analyzed effectively.
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Hafiner C. Generalized Multipole Technique for Computational Electromagnetics, Artch. Boston London: 1990, Chapter 7.[2]Leviatan Y, et al. IEEE Trans. on AP, 1988, AP-36(12): 1722-1734.[3]Ludwig A C. IEEE Trans. on AP, 1986, AP-34(7): 857-865.[4]Joo K, Iskander M F. IEEE Trans. on AP, 1990, AP-39(9): 1483-1989.[5]Ludwig A C. A New Technique for Numerical Electrometics, IEEE Antennas and Propagat. Society Newsletter, 1989, 4: 40-41. -
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