Design and Tensor Impedance Analysis of 4 × 4 Isotropic Homogeneous Metasurface-Backed Slotted Dual-Layered Bio-Superstrate-Loaded MPA

IF 0.9 4区工程技术 Q4 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS

International Journal of RF and Microwave Computer-Aided Engineering Pub Date : 2024-05-18 DOI:10.1155/2024/8815739

Swarnadipto Ghosh, Samik Chakraborty, Ayona Chakraborty, Bhaskar Gupta

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Abstract

A 4 × 4 Isotropic Homogeneous Metasurface (IHM) backed, rectangular slotted dual-layered triband microstrip patch antenna (MPA) is proposed in this article. A detailed mathematical way to analyze the tensor surface impedance matrix (TSIM) of the proposed 4 × 4 IHM and slotted patch is demonstrated. The proposed IHM-backed MPA has a triband even-mode resonance at f_r0 = 2.45 GHz, 2f_r0 = 5.4 GHz, and 4f_r0 = 7.7 GHz. A better and more accurate estimation of bio-superstrate loading effect for triband resonance is employed using the human skin (ε_r = 52.79, σ_s = 1.39) and blood (ε_r = 52.8, σ_s = 1.23) layer on the top of dual-layered metasurface-backed slotted MPA. TSIM characterization is observed for both blood- and skin layer-loaded dual-layered metasurface-backed slotted MPA. Chicken breast (ε_r = 55.2, σ_s = 1.49, and tanδ = 0.325) with blood (ε_r = 58.2, σ_s = 2.59, and tanδ = 0.364) is loaded onto fabricated dual-layered structure to verify numerically modeled estimation. A closed form triband, even-order resonance mode (i.e., f_r0, 2f_r0, and 4f_r0) estimation based on dielectric superstrate thickness (H_s) is numerically established using MATLAB solver. Complete measurement setup with simulated vs. measured results is compared in this article.

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4×4 各向同性均质元表面背衬开槽双层生物上层负载 MPA 的设计与张量阻抗分析

本文提出了一种 4×4 各向同性均质元面（IHM）、矩形开槽双层三频微带贴片天线（MPA）。文中展示了分析所提议的 4×4 IHM 和开槽贴片的张量表面阻抗矩阵 (TSIM) 的详细数学方法。所提出的 IHM 支持 MPA 在 fr0=2.45 GHz、2fr0=5.4 GHz 和 4fr0=7.7 GHz 处具有三频偶模共振。利用双层元表面背板开槽 MPA 顶部的人体皮肤层（εr=52.79，σs=1.39）和血液层（εr=52.8，σs=1.23），可以更好、更准确地估计生物上层对三频共振的负载效应。血液层和皮肤层负载的双层元表面背板开槽 MPA 都观察到了 TSIM 特性。鸡胸肉（εr=55.2，σs=1.49，tanδ=0.325）和血液（εr=58.2，σs=2.59，tanδ=0.364）被加载到制造好的双层结构上，以验证数值模型估计。使用 MATLAB 求解器对基于介质叠层厚度（Hs）的封闭式三频偶阶共振模式（即 fr0、2fr0 和 4fr0）进行了数值估算。本文比较了完整的测量设置和模拟与测量结果。

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来源期刊

International Journal of RF and Microwave Computer-Aided Engineering 工程技术-工程：电子与电气

CiteScore

4.00

自引率

23.50%

发文量

489

审稿时长

3 months

期刊介绍： International Journal of RF and Microwave Computer-Aided Engineering provides a common forum for the dissemination of research and development results in the areas of computer-aided design and engineering of RF, microwave, and millimeter-wave components, circuits, subsystems, and antennas. The journal is intended to be a single source of valuable information for all engineers and technicians, RF/microwave/mm-wave CAD tool vendors, researchers in industry, government and academia, professors and students, and systems engineers involved in RF/microwave/mm-wave technology. Multidisciplinary in scope, the journal publishes peer-reviewed articles and short papers on topics that include, but are not limited to. . . -Computer-Aided Modeling -Computer-Aided Analysis -Computer-Aided Optimization -Software and Manufacturing Techniques -Computer-Aided Measurements -Measurements Interfaced with CAD Systems In addition, the scope of the journal includes features such as software reviews, RF/microwave/mm-wave CAD related news, including brief reviews of CAD papers published elsewhere and a "Letters to the Editor" section.