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RCS的计算是隐形设计技术的关键问题,也是获取雷达散射特征信号的有效手段。本文主要就复杂目标的散射场的物理结构和复杂目标的精确建模两个方面进行了综述。另外文中还综述了复杂目标RCS预估软件进展,得到如下的发展趋势:复杂目标电磁散射计算与计算机图形学精确建模相结合,完成从模型设计到电气特性的分析,最终实现利用科学计算可视化技术实现电磁系统的三维仿真。
The calculation of RCS is the key issue of invisible design technique and also an effective method to obtain the characteristic signal of radar scatter. This article mainly reviews two aspects of the physical structure of the complex target and the accurate modeling of complex targets. In addition, the progress of complex target RCS prediction software is also reviewed in this paper. The following trends are obtained: complex target electromagnetic scattering calculation and computer graphics precise modeling are combined to complete the analysis from model design to electrical characteristics, and finally the use of scientific computing visualization Technology to achieve three-dimensional electromagnetic system simulation.