Multistep Cylindrical Structure Analysis at Normal Incidence Based on Water-Substrate Broadband Metamaterial Absorbers

作者：Fang Chonghua^*

来源：Zeitschrift fur Naturforschung Section A-A Journal of Physical Sciences, 2018, 73(2): 171-173.

DOI：10.1515/zna-2017-0395

• Absorption
• Metamaterial
• Radar Cross-Section

A new multistep cylindrical structure based on water-substrate broadband metamaterial absorbers is designed to reduce the traditional radar cross-section (RCS) of a rod-shaped object. The proposed configuration consists of two distinct parts. One of these components is formed by a four-step cylindrical metal structure, whereas the other one is formed by a new water-substrate-broadband metamaterial absorber. The designed structure can significantly reduce the radar cross section more than 10 dB from 4.58 to 18.42 GHz which is the 86.5 % bandwidth of from C-band to 20 GHz. The results of measurement show reasonably good accordance with the simulated ones, which verifies the ability and effect of the proposed design.

• 出版日期2018-2
• 单位中国舰船研究设计中心