RCS (Radar Cross Section) is a key factor in designing stealth weapons, so the research of radar targets scattering characteristics has become the foundation of stealth technologies.

• 雷达散射截面(RCS)是隐身装备外形设计的一项重要指标,研究雷达目标的电磁散射特性已成为目标隐身设计和目标识别的基础。