低损耗反射天线的锯齿接地面分析

IF 0.6 4区计算机科学 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Applied Computational Electromagnetics Society Journal Pub Date : 2021-01-01 DOI:10.47037/2021.aces.j.360812

Jiawei Ren, Hongjian Wang, Weichun Shi, Minzheng Ma

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引用次数: 0

摘要

─提出了一种新型低损耗反射天线的锯齿接地面(NSGP)。与传统的光滑地平面(CGP)相比，NSGP由一系列锯齿状单元组成，可以将入射波反射到主波束方向，从而有效地降低了反射波的损耗。对反射天线的原理和损耗进行了研究和分析。在此基础上，提出了一种低损耗NSGP，并给出了两种NSGP的设计方法。最后，在12.88 ~ 13.88GHz的频率范围内，设计了一种元件布置为15×15网格的反射天线，分别用NSGP和CGP进行了仿真和测量。结果表明，采用NSGP的反射天线能有效地利用反射波，最大增益比采用CGP的反射天线高0.681 dB。该方法在要求实现光束形成、低损耗、高效率等要求的反射镜高精度设计中具有很大的应用潜力。指标项─高精度、高增益、低损耗、反射天线、反射面天线、锯齿地平面。

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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Analysis of the Serrated Ground Plane for a Low-Loss Reflectarray Antenna

─ A novel serrated ground plane (NSGP) for na low-loss reflectarray antenna is presented in this paper. Compared with a conventional smooth ground plane (CGP), the NSGP consists of a series of serrated elements, which can reflect the incident waves in the main beam direction, so the losses of the reflectarray can be effectively reduced. The principle and losses of reflectarray antennas are studied and analyzed. Then, a low-loss NSGP is proposed, and two design methods for the NSGP are given in this paper. Finally, a reflectarray antenna with elements arranged in a 15×15 grid is designed, simulated and measured with the NSGP and CGP respectively within the frequency from 12.88 to 13.88GHz. The results show that the reflectarray antenna with the NSGP can effectively utilize the reflected waves and has a maximum higher gain of 0.681 dB compared with the gain of the reflectarray with the CGP. This NSGP has a potential to be used in the high accurate design of the reflectarray which requires to realize beam forming, low-loss, high-efficiency, etc. Index Terms ─ High-accuracy, high gain, low-loss, reflectarray antenna, reflector antenna, serrated ground plane.

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来源期刊

Applied Computational Electromagnetics Society Journal 工程技术-电信学

CiteScore

1.60

自引率

28.60%

发文量

审稿时长

9 months

期刊介绍： The ACES Journal is devoted to the exchange of information in computational electromagnetics, to the advancement of the state of the art, and to the promotion of related technical activities. A primary objective of the information exchange is the elimination of the need to "re-invent the wheel" to solve a previously solved computational problem in electrical engineering, physics, or related fields of study. The ACES Journal welcomes original, previously unpublished papers, relating to applied computational electromagnetics. All papers are refereed. A unique feature of ACES Journal is the publication of unsuccessful efforts in applied computational electromagnetics. Publication of such material provides a means to discuss problem areas in electromagnetic modeling. Manuscripts representing an unsuccessful application or negative result in computational electromagnetics is considered for publication only if a reasonable expectation of success (and a reasonable effort) are reflected. The technical activities promoted by this publication include code validation, performance analysis, and input/output standardization; code or technique optimization and error minimization; innovations in solution technique or in data input/output; identification of new applications for electromagnetics modeling codes and techniques; integration of computational electromagnetics techniques with new computer architectures; and correlation of computational parameters with physical mechanisms.