微带天线设计,集成24 GHz和77 GHz紧型高收益阵列
1School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
Sensors (Basel, Switzerland)
|January 25, 2025
概括
本研究介绍了一种用于24GHz和77GHz频段的集成阵列天线,将体积减少近40%,同时保持高增益和低侧叶水平. 该设计为先进的雷达和通信系统提供了巨大的潜力.
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:
- 通信技术和雷达系统的快速发展需要提高天线性能.
- 现有的天线设计经常面临大小,料复杂性和性能权衡的挑战.
研究的目的:
- 提出在24GHz和77GHz频段同时运行的集成阵列天线.
- 为了减少天线的物理体积,同时提高其电气特性.
主要方法:
- 设计了一个微条形天线阵列元件,采用了宽度减小技术.
- 一个3x3平面阵列是使用角序列养方法构建的.
- 进行模拟和测量以验证性能.
主要成果:
- 天线设计实现了39.82%的体积减少.
- 该阵列在77 GHz时显示了14.19 dBi的增益,在24 GHz时显示了15.34 dBi的增益.
- 侧叶水平低于-9.14dB和交叉偏振水平低于-29.26dB的表现非常出色.
结论:
- 拟议的集成阵列天线提供了一个紧的解决方案,具有高增益和良好的辐射特性.
- 该设计有效地减少了料损失和复杂性,提高了整体效率.
- 经过验证的性能表明,在现代雷达和通信系统中应用的巨大潜力.
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