Design of ultra wideband microwave absorber effectual for objects of arbitrary shape
Gong Yuan-Xun†a),b), Zhou Zhong-Xianga), Jiang Jian-Tanga), Zhao Hong-Jieb)
       
Variations of backward scattering RCS with frequency of PEC (a) plate, (b) pyramid, and (c) cylinder covered with 2-layer and 7-layer absorbers.