现代雷达2025，Vol.47Issue(2)：91-95,5.DOI:10.16592/j.cnki.1004-7859.20230608002
基于相位编码的多波束天线阵列设计
Design of Multi-beam Antenna Array Based on Phase Coding
摘要
Abstract
An innovative multi-beam antenna is proposed,whose novelty is achieved by adjusting the phase relationship between antenna elements and performing encoding operations on them.Two types of broadband bidirectional radiating microstrip antennas are designed in this paper,with a phase difference of approximate 180 ° between them,corresponding to the"0"element and"1"element in digital coding.According to the principle of digital coding metasurface,a periodic coding arrange-ment of"01010101"is adopted to achieve dual-beam splitting in the+z and-z directions.This encoding method not only ensures the effectiveness of beam splitting,but also makes it possible to realize multiple beams.To verify the correctness of the theory,a 1×8 linear array is further designed.Full wave simulation results show that the antenna array obtains four beams pointing at ap-proximate±50° and±130° at 13 GHz,with a relative bandwidth of 44.6%and a maximum gain of 9.4 dBi.To achieve higher gain,a 3×8 planar array is constructed,with a relative bandwidth of over 30%and a maximum gain of 13.4 dBi while maintai-ning the same number and direction of beams.The designed encoding antenna not only achieves broadband and high gain perform-ance,but also exhibits good multi-beam characteristics.关键词
编码/多波束/宽带/高增益/天线阵列Key words
coding/multibeam/broadband/high gain/antenna array分类
信息技术与安全科学引用本文复制引用
杨科心,赵建平,徐娟..基于相位编码的多波束天线阵列设计[J].现代雷达,2025,47(2):91-95,5.基金项目
国家自然科学基金资助项目(61701278) （61701278）
山东省自然科学基金资助项目(ZR2023MF038) （ZR2023MF038）
