Simulation design of triple band metamaterial absorber for radar cross section reduction

Heri Agus Susanto, E. Setijadi, P. Handayani
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引用次数: 4

Abstract

The existence a problem of military vehicles at ship susceptible to noise propagation caused by a vibration of machine inside engine room. To solve interference problem that, it can be used by Radar Absorbing Material (RAM) such as metamaterial absorber in engine control room, so in this research will be proposed the design and simulation of metamaterial absorber at frequency in triple band that implemented at engine control room as reducer machine ship so it happen not interference to outside engine ship. Design of the metamaterial absorber will done with determine dimension and shape of metamaterial absorber and it will simulated with CST Microwave Studio 2012 software. The result of simulation at triple band metamaterial absorber brings S11 at frequency 2.079 GHz is −12.041 dB, so resulting the value of absorption is 99.6 %. For S11 at frequency of 2.895 GHz is −9.869 dB, so resulting the value of absorption is 98.93 % and frequency of 3.894 GHz is −15.544 dB, so resulting the value of absorption is 99.92 %. It show that the absorber has a good absorbing performance (absorption > 80 %) from three peaks frequency.
雷达减截面三波段超材料吸收器仿真设计
舰船上的军用车辆存在着由机舱内机械振动引起的噪声传播问题。为了解决这一干扰问题,雷达吸波材料(RAM)如超材料吸波器可用于发动机控制室,因此本研究将提出三频段超材料吸波器的设计与仿真,该吸波器实现在发动机控制室作为减速机船,对机船外部不产生干扰。对超材料吸波器进行设计,确定超材料吸波器的尺寸和形状,并利用CST Microwave Studio 2012软件进行仿真。三波段超材料吸波器的仿真结果表明,2.079 GHz频率处的S11为- 12.041 dB,吸波值为99.6%。对于频率为2.895 GHz的S11,吸收值为- 9.869 dB,吸收值为98.93%;频率为3.894 GHz的S11,吸收值为- 15.544 dB,吸收值为99.92%。结果表明,该吸波器对三峰频率具有良好的吸收性能(吸收bbb80 %)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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