毫米波零顺序共振天线与补丁式辐射被一个管家矩阵为被动光束成形养
Manoj Prabhakar Mohan1, Hong Cai2, Arokiaswami Alphones1
1School of Electrical & Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore.
Sensors (Basel, Switzerland)
|September 28, 2023
概括
开发了一种新的复合右左手 (CRLH) 天线,用于30 GHz应用,不使用金属电路. 这种无通道的CRLH天线实现了5.35dBi的增益,并通过巴特勒矩阵实现了被动光束成型.
科学领域:
- 电磁学 电磁学 电磁学 电磁学
- 天线理论天线理论
- 超材料是指一种超材料.
背景情况:
- 复合右左侧结构 (CRLH) 具有独特的电磁性质.
- 传统的天线设计通常依赖于金属通道,这可能使制造复杂化,并限制性能.
- 无通道天线设计对于小型化和更好的集成是可取的.
研究的目的:
- 设计和制造一个紧的,使用CRLH原则在30GHz的无通道零级共振天线.
- 通过同等电路建模和分散图分析天线的特性.
- 为了展示一个被动光束成形阵列,利用拟议的CRLH天线和巴特勒矩阵.
主要方法:
- 一个新的CRLH天线是通过连接CRLH单元细胞的镜像来设计的,从而消除了对金属通道的需求.
- 进行了等效电路分析,参数提取和分散图研究.
- 使用基板集成波导实现的4x4巴特勒矩阵为CRLH天线输送了光束形成阵列.
主要成果:
- 制造的CRLH天线在30GHz时呈现出斑块状辐射,测量的实际增益为5.35dBi.
- 该天线显示了10GHz的广泛运行带宽,没有虚假共振.
- 被动光束成形阵列实现了12°,-68°,64°和-11°的不同的扫描角度,用于不同的激发.
结论:
- 开发的无通道CRLH天线对于需要紧且高效的辐射元件的高频应用是一个有前途的解决方案.
- 将CRLH天线与巴特勒矩阵集成,可以实现有效的被动光束成型.
- 这项工作有助于进步基于超材料的天线和相位阵列系统.
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