一种具有高选择性通带和宽带吸收特性的小型化频率选择性吸收器

IF 1.5 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

EPJ Applied Metamaterials Pub Date : 2021-01-01 DOI:10.1051/EPJAM/2020017

Yanjie Wu, J. Xiong, Feng Deng, Hail Lin, Youyi Wang

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引用次数: 3

摘要

提出了一种具有高选择性通带和宽带吸收特性的小型化频率选择吸收器(FSR)。通过金属弯曲方环结构负载电阻器的结构，在8.08 ~ 18.08 GHz的宽吸收带内具有吸收性能。采用耶路撒冷十字阵列和金属贴片的频率选择表面(FSS)实现了2.7 ~ 3.52 GHz频段的传输。在3.08 GHz时，插入损耗为0.37 dB。对称性和小型化元件的设计使该FSR能够获得满意的入射角稳定性。其单位尺寸小，有效避免了吸收波段光栅瓣的产生，降低了雷达截面(RCS)的干扰。

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A miniaturized frequency selective rasorber with high selectivity passband and wideband absorption properties

A miniaturized frequency selective rasorber (FSR) with high selectivity passband and wideband absorption properties is presented. Its performance as an absorber over a wide absorption band from 8.08 to 18.08 GHz through the structure of metal incurved square loop structure loaded resistors. The frequency selective surface (FSS) using Jerusalem cross array and metallic patch realizes the transmission frequency band from 2.7 to 3.52 GHz. And the insertion loss (IL) is 0.37 dB at 3.08 GHz. The symmetry and miniaturized elements design enable the proposed FSR to achieve satisfactory incident angle stability. Its small unit size effectively avoids the generation of grating lobes in the absorption band and the interference to Radar Cross Section (RCS) reduction.

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来源期刊

EPJ Applied Metamaterials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

3.10

自引率

6.20%

发文量

审稿时长

8 weeks