基于单层频率选择表面的轻质宽频吸波体设计
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Release time:2022-06-08 DOI number:10.14106/j.cnki.1001-2028.2022.1845 Affiliation of Author(s):中南大学 Journal:电子元件与材料 Key Words:闵可夫斯基环;频率选择表面;低面密度;电路模拟 Abstract:为解决现有的微波吸波体不能同时具有低面密度和高吸收率的问题，提出了一种电阻式闵可夫斯基环频率选择结构（RMLFSS）。RMLFSS整体厚度为6.6 mm,面密度不超过0.678 kg/m~2。RMLFSS有三层，分别是电阻频率选择表面（RFSS）、PMI泡沫板和金属地面。RFSS由打印在PI薄膜上的闵可夫斯基环阵列构成，每个单元上加载8个贴片电阻。仿真结果表明正入射下，在4.7～16.75 GHz范围内，RMLFSS的反射系数小于-10 dB,分数带宽为112.4%,对应90%的吸收率，在5.8～15.95 GHz范围内，反射系数小于-15 dB,吸收率为96.8%。实测结果与仿真结果吻合较好，验证了设计的有效性。 First Author:曹文博 Indexed by:Journal paper Correspondence Author:姜超 Discipline:Engineering First-Level Discipline:Materials Science and Engineering Document Type:J Volume:41 Issue:2 Page Number:180-185 ISSN No.:1001-2028 Translation or Not:no CN No.:51-1241/TN Date of Publication:2022-02-05 Included Journals:SCI Links to published journals:http://www.cnelecom.net/ -
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