航空学报 > 2004, Vol. 25 Issue (3): 297-299

雷达散射截面图形算法加速技巧

李建周, 毛继志, 许家栋   

  1. 西北工业大学电子工程系 陕西西安 710072
  • 收稿日期:2003-05-07 修回日期:2003-09-09 出版日期:2004-06-25 发布日期:2004-06-25

The Techniques to Accelerate the Method of Graphical Electromagnetic Computing

LI Jian-zhou, MAO Ji-zhi, XU Jia-dong   

  1. Department of Electronic Engineering, Northwestern Polytechnical University, Xi'an 710072, China
  • Received:2003-05-07 Revised:2003-09-09 Online:2004-06-25 Published:2004-06-25

摘要: 为快速预估飞行器类复杂目标雷达截面,从RCS图形算法计算公式出发,总结提出了针对该算法的3个加速技巧。测试结果表明,综合使用这些技巧最多可以将图形算法运算速度提高到原来的4倍左右,因而具有较好的工程实用价值。

关键词: 电磁散射, 雷达散射截面(RCS), 复杂目标, 图形算法(GRECO), 加速

Abstract: Three accelerating techniques are summarized to the method of graphical electromagnetic computing (GRECO) from the corresponding formula for fast radar cross section evaluation of aircraft-like complex objects. Tested result is presented, which demonstrates remarkable speed up to 4 times of the old method and promising application value in engineering.

Key words: electromagnetic scattering, radar cross section (RCS), complex target, graphical electromagnetic computing (GRECO), speedup