一个多带毫米波矩形介电共振器天线与通向辐射使用平面料
Tarek S Abdou1, Salam K Khamas1
1Communications Research Group, Department of Electronic and Electrical Engineering, University of Sheffield, Sheffield S1 3JD, UK.
Micromachines
|September 28, 2023
概括
这项研究引入了一种新的毫米波 (mmWave) 介电共振天线 (DRA) 具有全向模式,使用平面料网络实现. 这种多功能,多频段天线被验证用于体内和体外通信.
科学领域:
- 电磁学和波浪传播
- 天线理论和设计.
- 微波工程 微波工程
背景情况:
- 介电共振器天线 (DRA) 由于其理想的特性而被广泛使用.
- 从矩形DRA中获得全方位的辐射模式,带来了独特的设计挑战.
- 现有的文献中缺乏关于矩形DRA中全方位辐射的平面料网络的报告.
研究的目的:
- 提出一种新的毫米波 (mmWave) 介电共振器天线 (DRA),具有全向辐射模式.
- 为了证明平面料网在实现来自矩形DRA的全向辐射方面的有效性.
- 探索拟议天线设计的多频段功能和辐射特性.
主要方法:
- 设计和模拟一个矩形介电共振器天线 (DRA).
- 整合平面料网络以激发特定的共振模式.
- 对于28.5 GHz的全向辐射,退化的TE121/TE211模式的激发.
- 激发TE111基本模式和料环槽共振,用于17.5 GHz和23 GHz的宽侧辐射.
主要成果:
- 拟议的天线实现了一种全向模式,带宽为1.9%,在28.5GHz时获得4.3dBi的增益.
- 演示了三带操作,在不同的频率有不同的辐射模式.
- 模拟结果通过物理测量得到验证,显示出良好的一致性.
结论:
- 这种新的平面料网络成功地实现了来自矩形DRA的全方位辐射.
- 拟议的天线具有多功能多带操作,适合各种通信应用.
- 经过验证的设计为车身内外通信系统提供了有前途的解决方案.
相关概念视频
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01:23Parallel Resonance
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01:28Standing Waves in a Cavity
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01:17Series Resonance
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01:17Design Example: Underdamped Parallel RLC Circuit
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