Analysis of Electromagnetic Scattering Properties From Time-Varying Moving Plasma With Lorentz-FDTD

被引：2

作者：

Bo, Yong ^{[1
,2
]}

Li, Haiyan ^{[1
,2
]}

Guo, Xianmin ^{[1
,2
]}

Yang, Lixia ^{[1
,2
]}

Chen, Wei ^{[1
,2
]}

Huang, Zhixiang ^{[1
,2
]}

机构：

[1] Anhui Univ, Key Lab Intelligent Comp & Signal Proc, Minist Educ, Hefei 230601, Peoples R China

[2] Anhui Prov Key Lab Target Recognit & Feature Extra, Luan 237000, Peoples R China

来源：

IEEE TRANSACTIONS ON PLASMA SCIENCE | 2023年 / 51卷 / 10期

关键词：

Time-domain analysis; Finite difference methods; Plasma properties; Electromagnetic scattering; Dispersion; Time-frequency analysis; Plasma sheaths; Electromagnetic (EM) properties; finite-difference time-domain (FDTD); Lorentz transformation; relative motion; time-varying plasma; HIGH-SPEED; RADAR ECHO; PROPAGATION; FLUCTUATION;

D O I：

10.1109/TPS.2023.3313774

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The electromagnetic (EM) scattering properties of a high-speed moving and time-varying plasma target are simulated in this work. The calculation model is first established for moving and time-varying dispersive medium with the Lorentz transformation and shift-operator finite-difference time-domain (SO-FDTD) method. Subsequently, the Lorentz-FDTD method is applied to calculate the EM scattering properties of the time-varying and moving plasma in a two-dimensional (2-D) case. Furthermore, the impact of the time-varying plasma parameters on the EM scattering properties is investigated. Finally, the bistatic radar cross section (RCS) of the time-varying plasma target is analyzed for various moving velocities and the results indicate that the EM wave is modulated by the time-varying and moving plasma, and the EM scattering of the time-varying and moving plasma is influenced by the moving velocity, time-varying properties, and plasma parameters.

引用

页码：2942 / 2953

页数：12

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