Scattering and Diffraction of an Arbitrarily Directed Complex-Source Beam by a Semi-Infinite Circular Cone

被引：0
|
作者：
Reinhardt, A. [1 ]
Bruens, H. [1 ]
Klinkenbusch, L. [1 ]
Katsav, M. [2 ]
Heyman, E. [2 ]
机构：
[1] Univ Kiel, Inst Elect & Informat Engn, D-24143 Kiel, Germany
[2] Tel Aviv Univ, Sch Elect Engn, IL-69978 Tel Aviv, Israel
来源：
2014 XXXITH URSI GENERAL ASSEMBLY AND SCIENTIFIC SYMPOSIUM (URSI GASS) | 2014年
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D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The problem of an arbitrarily directed Gaussian beam (GB) illuminating an acoustically soft or hard semi-infinite circular cone is solved by using a complex source beam (CSB) whose waist and direction are defined by the real and imaginary parts of the source coordinate, respectively. The corresponding scalar boundary-value problem is solved by assigning a complex-valued source coordinate into the conventional spherical-multipole expression of the Green's function, thus converting it to the response to the incident CSB. The solution requires the calculation of the associated Legendre functions of the 1st kind for a complex-valued argument. Beside a numerical analysis of these calculations, we also present numerical results for the total near-and far-fields.
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页数：4
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