带有共平面角加载的矩形微带：先进的天线和阵列设计，实现所有辐射平面的高跨极性隔离

IF 1.6 4区地球科学 Q3 ASTRONOMY & ASTROPHYSICS

Radio Science Pub Date : 2024-10-01 DOI:10.1029/2024RS008027

D. Dutta;D. Guha;C. Kumar

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引用次数: 0

摘要

本文探讨了一种新构想的微带元件，其特点是在正交（H-）和对角（D-）平面上都能充分抑制交叉极性分辨（XPD）。拟议的贴片为矩形，在其角区有一对负载。研究了独立贴片及其线性和方形阵列。本文介绍了它们的设计和特性，并进行了部分实验验证。它们极大地改善了 D 平面 XPD 性能，单个元件改善了约 6 dB，四元件线性子阵列改善了 10 dB，四元件方形子阵列改善了 5 dB。H 平面上的 XPD 性能也同样出色，平面阵列和方形阵列的单元素 XPD 均为 8 分贝（10-18）分贝。因此，整体 3D-XP 方案平均提高了约 (8-10) dB，这对阵列来说意义重大。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Rectangular microstrip with co-planar corner loading: advanced antenna and array design for high cross-polar isolation across all radiation planes

A newly conceived microstrip element, that features adequately suppressed cross-polar discrimination (XPD) over both the orthogonal (H-) and diagonal (D-) planes, has been explored here. The proposed patch is of rectangular shape with a pair of loading at its corner region. A standalone patch as well as its linear and square array formation has been investigated. Their design and characterization along with a partial experimental verification are presented. They promise considerable improvement in D-plane XPD, around 6 dB for single element, 10 dB for four-element linear and 5 dB for four-element square sub-arrays. The XPD performance over H-plane is equally promising, 8 dB for single element (10-18) dB for both planar and square arrays. The overall 3D-XP scenario thus gets improved by about (8-10) dB on average which is quite significant in the case of arrays.

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来源期刊

Radio Science 工程技术-地球化学与地球物理

CiteScore

3.30

自引率

12.50%

发文量

112

审稿时长

1 months

期刊介绍： Radio Science (RDS) publishes original scientific contributions on radio-frequency electromagnetic-propagation and its applications. Contributions covering measurement, modelling, prediction and forecasting techniques pertinent to fields and waves - including antennas, signals and systems, the terrestrial and space environment and radio propagation problems in radio astronomy - are welcome. Contributions may address propagation through, interaction with, and remote sensing of structures, geophysical media, plasmas, and materials, as well as the application of radio frequency electromagnetic techniques to remote sensing of the Earth and other bodies in the solar system.