Optimizing Amplitude Distribution in a Feed Array to Control Side-Lobe Levels of a Beam-Steering Metasurface

被引：0

作者：

Singh, Khushboo ^{[1
]}

Afzal, Muhammad U. ^{[1
]}

Bulger, David ^{[1
]}

Kovaleva, Maria ^{[1
]}

Esselle, Karu P. ^{[1
]}

机构：

[1] Macquarie Univ, Sydney, NSW 2109, Australia

来源：

2019 URSI INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC THEORY (EMTS) | 2019年

关键词：

OPTIMIZATION;

D O I：

10.23919/ursi-emts.2019.8931531

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An attempt to establish analogy between the antenna array pattern synthesis theory and the metasurface beam-steering control is presented in this paper. Beam steering has been achieved by using a phase transformation metasurface, and the side-lobe level (SLL) reduction has been achieved by optimizing the excitation amplitude of feed array. Optimization has been performed by a simple evolutionary approach based on cross-entropy (CE) method, and the results validate the efficiency of the algorithm, as well as verify the concept of SLL control using excitation amplitude manipulation.

引用

页数：4

共 44 条

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