包覆等离子体护套的运动锥形球体散射特性研究

2022 IEEE 5th International Conference on Electronic Information and Communication Technology (ICEICT) Pub Date : 2022-08-21 DOI:10.1109/ICEICT55736.2022.9909074

Xianmin Guo, Y. Bo, Lixia Yang, Mouping Jin, Zhixiang Huang, Haiyan Li

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引用次数: 2

摘要

本文采用洛伦兹时域有限差分法(Lorentz- fdtd)研究了包裹等离子体鞘层的高速运动锥球靶与电磁波的相互作用。分析了当目标处于不同运动状态时，运动状态对等离子体包覆目标雷达回波和雷达截面的影响。首先，推导了色散介质中的Lorentz-FDTD算法。然后，利用洛伦兹时域有限差分法研究了等离子体包覆运动锥球目标的电磁散射特性。计算结果表明，目标的运动状态会对散射电磁波的频率和幅度产生调制作用。另外，在靶材表面涂覆的等离子体护套会对靶材的远散射场产生影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Study on Scattering Porperties of Moving Cone-Sphere Shape Coated with Plasma Sheath

In this paper, the Lorentz finite-difference time-domain method (Lorentz-FDTD) is used to study the interaction between high-speed moving cone-sphere target coated with plasma sheath and electromagnetic (EM) wave. When the target is in different moving states, the influence of moving state on radar echo and radar cross section (RCS) of target coated by plasma is analyzed in this paper. Firstly, the Lorentz-FDTD algorithm in dispersion media is derived. And then, the electromagnetic scattering characteristics of the moving cone-sphere target coated by plasma is studied with the Lorentz-FDTD method. The calculation results show that the motion state of the target will modulate the frequency and amplitude of the scattered EM waves. Besides, the plasma sheath coated on the surface of target will have an effect on the target far-scattered field.

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2022 IEEE 5th International Conference on Electronic Information and Communication Technology (ICEICT)

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