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用于减少雷达散射截面的多层和长方体编码超材料的设计与分析。

Design and Analysis of Multi-Layer and Cuboid Coding Metamaterials for Radar Cross-Section Reduction.

作者信息

Ramachandran Tayaallen, Faruque Mohammad Rashed Iqbal, Islam Mohammad Tariqul, Khandaker Mayeen Uddin, Tamam Nissren, Sulieman Abdelmoneim

机构信息

Space Science Centre (ANGKASA), Institute of Climate Change (IPI), Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia.

Department of Electrical, Electronic & Systems Engineering, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia.

出版信息

Materials (Basel). 2022 Jun 17;15(12):4282. doi: 10.3390/ma15124282.

DOI:10.3390/ma15124282
PMID:35744341
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9229718/
Abstract

This research aimed to develop coding metamaterials to reduce the Radar Cross-Section (RCS) values in C- and Ku-band applications. Metamaterials on the macroscopic scale are commonly defined by effective medium parameters and are categorized as analogue. Therefore, coding metamaterials with various multi-layer and cuboid designs were proposed and investigated. A high-frequency electromagnetic simulator known as computer simulation technology was utilised throughout a simulation process. A one-bit coding metamaterial concept was adopted throughout this research that possesses '0' and '1' elements with 0 and π phase responses. Analytical simulation analyses were performed by utilising well-known Computer Simulation Technology (CST) software. Moreover, a validation was executed via a comparison of the phase-response properties of both elements with the analytical data from the High-Frequency Structure Simulator (HFSS) software. As a result, promising outcomes wherein several one-bit coding designs for multi-layer or coding metamaterials manifested unique results, which almost reached 0 dBm RCS reduction values. Meanwhile, coding metamaterial designs with larger lattices exhibited optimised results and can be utilised for larger-scale applications. Moreover, the coding metamaterials were validated by performing several framework and optimal characteristic analyses in C- and Ku-band applications. Due to the ability of coding metamaterials to manipulate electromagnetic waves to obtain different functionalities, it has a high potential to be applied to a wide range of applications. Overall, the very interesting coding metamaterials with many different sizes and shapes help to achieve a unique RCS-reduction performance.

摘要

本研究旨在开发编码超材料，以降低C波段和Ku波段应用中的雷达散射截面（RCS）值。宏观尺度上的超材料通常由有效介质参数定义，并归类为模拟超材料。因此，提出并研究了具有各种多层和长方体设计的编码超材料。在整个模拟过程中使用了一种名为计算机模拟技术的高频电磁模拟器。本研究采用了一种一位编码超材料概念，其具有相位响应为0和π的“0”和“1”元素。利用著名的计算机模拟技术（CST）软件进行了解析模拟分析。此外，通过将两种元素的相位响应特性与高频结构模拟器（HFSS）软件的分析数据进行比较来进行验证。结果，出现了一些有前景的结果，其中多层或编码超材料的几种一位编码设计表现出独特的结果，其RCS降低值几乎达到0 dBm。同时，具有较大晶格的编码超材料设计表现出优化的结果，可用于更大规模的应用。此外，通过在C波段和Ku波段应用中进行几种框架和最佳特性分析，对编码超材料进行了验证。由于编码超材料能够操纵电磁波以获得不同的功能，因此它具有应用于广泛领域的巨大潜力。总体而言，具有许多不同尺寸和形状的非常有趣的编码超材料有助于实现独特的RCS降低性能。

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Sci Rep. 2021 Aug 10;11(1):16247. doi: 10.1038/s41598-021-95468-8.
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Hydrodynamic Metamaterial Cloak for Drag-Free Flow.用于无阻力流的流体动力学超材料斗篷。
Phys Rev Lett. 2019 Aug 16;123(7):074502. doi: 10.1103/PhysRevLett.123.074502.
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Full-State Controls of Terahertz Waves Using Tensor Coding Metasurfaces.利用张量编码超表面实现太赫兹波的全态控制。
基于用于微波应用的1位传统和长方体设计结构的编码超材料分析
Materials (Basel). 2022 Oct 24;15(21):7447. doi: 10.3390/ma15217447.
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