具有电大截面的完美导电圆柱体的电磁散射

6th International SYmposium on Antennas, Propagation and EM Theory, 2003. Proceedings. 2003 Pub Date : 1900-01-01 DOI:10.1109/ISAPE.2003.1276718

Jiancheng Wang, Xiaowei Ge

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引用次数: 0

摘要

首先建立了一组周长大于120波长且每个圆柱体具有任意截面的完美导电圆柱体的散射积分方程，然后用矩量法(MM)对其进行求解，得到了平行极化入射波和垂直极化入射波在散射体表面诱导的电流分布、散射截面与方位角的关系。根据互易定理，即发射器与接收器互换时，观测散射场和散射截面不变，通过对比入射方向与观测方向互换的结果，验证了计算机程序的有效性。

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Electromagnetic scattering from perfectly conducting cylinders with electrically large cross sections

The integral equation for scattering by an aggregate of perfectly conducting cylinders, the sum of their perimeters being well over 120 wavelength and each cylinder being of arbitrary cross section, are first developed and then solved by means of the method of moment (MM) to give the current distribution induced on the scatterer surfaces, the scattering cross section versus azimuthal angle for both parallel and perpendicular polarized incident waves. The validity of the computer program has been verified by comparing results of interchanging the direction of incidence and the direction of observation due to the reciprocity theorem that the observed scattered field and the cross section is unchanged if the transmitter and receiver are interchanged.

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6th International SYmposium on Antennas, Propagation and EM Theory, 2003. Proceedings. 2003

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