The paper makes a review on the recent advance in this material, with a focus on the applications of the metamaterial in the military use, such as the radar image, directional antenna and absorbing.

• 详细的回顾了这种新型人工电磁材料背景、研究进展，并着重介绍了这种材料在微波频段雷达成像，定向天线，隐形等军事领域的应用前景。