一维周期结构三维格林函数的计算

Andrey S. Zadorozhnyy, S. Skobelev
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引用次数: 1

摘要

在Kummer方法和泊松求和公式的基础上,利用包含点源与观测点之间复共轭距离对的辅助级数,得到了一维周期结构三维格林函数的新表示。新的表示包括一个差分级数,其项随着n的增加而衰减为n的-3次幂,以及一个指数收敛的级数。与其他已知表示法相比,表明了新表示法的便利性。给出并讨论了新表示中涉及的参数优化的一些结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
On Calculation of the 3D Green's Function for 1D Periodic Structures
A new representation of the 3D Green's function for 1D periodic structures is obtained on the basis of the Kummer's method and Poisson summation formula with using an auxiliary series containing pairs of complex-conjugated distances between point sources and observation point. The new representation consists of a difference series the terms of which decay as n in the power of –3 with increase of n, and a series converging exponentially. Convenience of the new representation in comparison with other known representations is shown. Some results concerning optimization of a parameter involved in the new representation are presented and discussed.
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