TRANSIENT IMAGE THEORY FOR 2-D AND 3-D CONDUCTING WEDGE PROBLEMS

被引：6
|
作者：
NIKOSKINEN, KI
ERMUTLU, ME
LINDELL, IV
机构：
[1] Electromagnetics Laboratory, Helsinki University of Technology, FIN-02150, Espoo
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 1994年 / 42卷 / 11期
基金：
芬兰科学院;
关键词：
D O I：
10.1109/8.362786
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：
In the present paper, two- and three-dimensional transient scattering from a perfectly conducting wedge is studied. The exciting sources analyzed are an infinite impulsive line current parallel to edge of the conductor and an arbitrarily oriented electric dipole. The analysis presented in this paper is based on the recently published time-harmonic image solution found for the scattered field. The frequency-domain image current corresponding to the field contribution from the wedge is an exact function expressed in terms of simple trigonometric functions. It is dependent only on the coordinates and the amplitude of the source, but it is independent of the observation point. It is shown that the transient scattering can be interpreted as arising from an image source by generalizing the time domain Green's function to complex source points.
引用
收藏
页码：1515 / 1520
页数：6
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