| 基于分形的吸波材料及其在微带天线中的应用 |
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| 引用本文： | 张 浩,曹祥玉,高 军,杨欢欢,郑秋容.基于分形的吸波材料及其在微带天线中的应用[J].微波学报,2013,29(4):57-61. |
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| 作者姓名： | 张 浩 曹祥玉 高 军 杨欢欢 郑秋容 |
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| 作者单位： | 空军工程大学信息与导航学院,西安,710077 |
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| 基金项目： | 国家自然科学基金资助项目(61271100);陕西省自然科学基础研究重点项目(No. 2010JZ010);陕西省自然科学基础研究项目(No. 2012JM8003);空军工程大学教研新星资助课题 |
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| 摘 要： | 在方形贴片完美吸波材料的基础上,通过Minkowski分形和开槽,设计了一种新型完美吸波材料,并分析了其吸波原理.将该材料加载于微带天线,用于减缩天线带内雷达散射截面(RCS).仿真结果表明,相比于方形贴片吸波材料,设计材料的谐振频率下降了8.6％,最大吸波率达99.97％.加载该材料后,天线的辐射性能没有降低,而其带内RCS得到有效减缩.实测结果与仿真结果较为吻合,表明了该材料可以用于微带天线的带内隐身.
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| 关 键 词： | 微带天线 完美吸波材料 分形 开槽 雷达散射截面 |
A Fractal Metamaterial Absorber and Its Application for Microstrip Antenna |
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| ZHANG Hao,CAO Xiangyu,GAO Jun,YANG Huanhuan,ZHENG Qiurong.A Fractal Metamaterial Absorber and Its Application for Microstrip Antenna[J].Journal of Microwaves,2013,29(4):57-61. |
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| Authors: | ZHANG Hao CAO Xiangyu GAO Jun YANG Huanhuan ZHENG Qiurong |
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| Institution: | School of Information and Navigation of AFEU |
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| Abstract: | A novel perfect metamaterial absorber(PMA) is proposed based on square-patch absorber by Minkowski fraction and slot, and the mechanism of absorber is analyzed . The new perfect metamaterial absorber is loaded on microstrip antenna in order to reduce antenna's in-band RCS. The simulated result shows that the operating frequency is reduced by
8. 6% and the absorbance reaches 99. 97%. The antenna performance has not been influenced, while the in-band RCS of the
antenna has declined effectively. There is a good agreement between measured and simulated results showing that this material can be used for microstrip antenna's in-band stealth |
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| Keywords: | microstrip antenna perfect metamaterial absorber fractal slot radar cross section(RCS) |
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