西安电子科技大学学报（自然科学版）2011，Vol.38Issue(1)：85-89,130,6.DOI:10.3969/j.issn.1001-2400.2011.01.014
二维磁等离子体目标FDTD分析的移位算子方法
Shift operator method applied for the 2-dimensional conducting target coated with magnetized plasma in FDTD analyses
摘要
Abstract
The finite-difference time-domain(FDTD) method is extended to two dimensional anisotropic dielectric dispersive media-magnetized plasma by using Shift Operator(SO). It is proved that when the incident plane wave vector is perpendicular to the axis of the 2-dimensional axial magnetized plasma cylinder,the electromagnetic wave can be decomposed into Transverse Electric(TE) and Transverse Magnetic (TM) waves, with the electromagnetic scattering characters of the TM wave having no relation with the external DC magnetic field but the electromagnetic scattering characters of the TE wave having close relations with the electromagnetic parameters in magnetized plasma. The physical reasons have been analyzed. The FDTD with shift operator (SO-FDTD) formulations in this case is derived based on the constitutive relation for the magnetized plasma and shift operator. For electromagnetic scattering of the Von Karman shaped conducting cylinder coated with anisotropic magnetized plasma, the effect of coating thickness and plasma parameters on the bistatic Radar Cross Section(RCS) is investigated, with some numerical results obtained. The results indicate that appropriate plasma coating may efficiently reduce the RCS of a metallic target.关键词
时域有限差分/移位算子/磁化等离子体/Von Karman/雷达散射截面分类
信息技术与安全科学引用本文复制引用
王飞,葛德彪,魏兵..二维磁等离子体目标FDTD分析的移位算子方法[J].西安电子科技大学学报（自然科学版）,2011,38(1):85-89,130,6.基金项目
国家自然科学基金资助项目(60871071) （60871071）
中央高校基本科研业务费专项资金资助项目 （）
