摘要
隐身方法中,在目标表面涂敷雷达吸波材料(RAM)可以在所有方向上都达到减小雷达散射截面(RCS)的隐身效果。采用非均匀有理B样条(NURBS)方法建立目标模型,并将模型转化成易于计算的贝齐尔(Bézier)形式。然后,采用物理光学法(PO)计算了电大尺寸隐身目标的RCS。通过涂覆圆柱、涂覆柱台的计算,将结果与文献结果相比较,表明本方法是有效的,同时也说明吸波材料对减小目标RCS有显著效果。
Among all the stealth methods, the radar cross section （RCS） material （RAM） can be decreased in any angles. Targets are modeled by of th targets coated with radar absorb e non-uniform rational B-spline （NURBS） method and the models are translated into B6zier （B6zier） form which makes calculation easier Then, the RCS of electrically large stealth targets are calculated by the physical optics （PO） method. Through calculating the RCS of column and column-truncated cone, comparing them with the results of literatures, it is proved that the method adopted is effective, at the same time, it indicates that absorb material plays a distinct role in decreasing RCS.
出处
《系统工程与电子技术》
EI
CSCD
北大核心
2008年第7期1204-1205,1252,共3页
Systems Engineering and Electronics
基金
陕西省自然科学基金资助课题(2005F23)
关键词
雷达吸波材料
非均匀有理B样条
物理光学法
隐身目标
radar absorb material
non-uniform rational B-spline
physical optics method
stealth target
