北京大学学报(自然科学版)

用FDTD方法分析涂敷目标的散射

李明之,王长清,祝西里   

  1. 北京大学电子学系,北京,100871
  • 收稿日期:1999-12-28 出版日期:2001-01-20 发布日期:2001-01-20

Using FDTD Method to Analyze the EM Scattering of A Coated Object

LI Mingzhi, WANG Changqing, ZHU Xili   

  1. Department of Electronics, Peking University, Beijing, 100871
  • Received:1999-12-28 Online:2001-01-20 Published:2001-01-20

摘要: 应用时域有限差分方法(FDTD)分析涂敷了吸收材料的一种突防弹头的雷达散射截面(RCS)。计算结果显示在目标的特定部位进行吸收材料涂敷可以显著地降低目标的RCS。

关键词: 隐身技术, 时域有限差分方法, 电磁散射, 雷达散射截面

Abstract: Using FDTD method, the RCS of a missile head coated with absorbing material is analyzed. The results show the RCS can be greatly reduced when we coat the absorbing material at some special parts of the object.

Key words: radar cross section, stealth technique, finite-difference time-domain method, electromagnetic scattering

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