双频多层天线阵列带有循环极化和增益增强,用于WLAN和X频应用
Bal S Virdee1, Tohid Aribi2,3, Tohid Sedghi2,3
1Center for Communications Technology London, Metropolitan University, London N7 8DB, UK.
Micromachines
|March 6, 2025
概括
本研究介绍了一种新的双频天线阵列,用于无线局域网 (WLAN) 和X频段使用. 创新的设计实现了高增益和宽带宽,以提高无线通信性能.
科学领域:
- 电气工程 电气工程
- 电磁学 电磁学 电磁学 电磁学
- 天线理论天线理论
背景情况:
- 现代无线系统需要能够在多个频段工作的天线.
- 现有的多频带天线经常面临性能权衡,增益和极化纯度的挑战.
研究的目的:
- 为无线局域网 (WLAN) 和X频段应用设计和验证一种新的多层,双频段天线阵列.
- 为了实现X频段的循环偏振 (CP) 和WLAN频段的增强收益.
主要方法:
- 一个五角形形的辐射元件与寄生性条纹被用于双频段操作.
- 实施了带有角的双变形料网络,以最大限度地减少扭曲并实现CP.
- 整合了一个Fabry-Pérot结构,以增强WLAN频段的收益.
主要成果:
- 该天线实现了WLAN的1.8GHz (36%分数) 和X频段的4.3GHz (43%分数) 的阻抗带宽.
- 测量的峰值增益为7dBi (无线网络) 和6.8dBi (X频段).
- 在8.5-10.4 GHz范围内成功实现了圆极化.
结论:
- 开发的天线阵列在多频段性能方面取得了重大进展.
- 该设计提供了有利的带宽,增益和极化特性,适合各种无线应用.
相关概念视频
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Operational amplifiers (op-amps) are versatile electronic components that can be interconnected in a cascade - one after another in a linear sequence. This cascading is possible due to their infinite input resistance and zero output resistance, allowing them to maintain their input-output relationships even when connected in series.
In a cascaded system, each op-amp is referred to as a stage. The output of one stage drives the input of the subsequent stage. As the input signal passes through...
In a cascaded system, each op-amp is referred to as a stage. The output of one stage drives the input of the subsequent stage. As the input signal passes through...
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01:20Design Example: Capacitance Multiplier Circuit
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01:23Parallel Resonance
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181