高效率高收益低侧叶片水平和斜偏离单脉冲天线使用空腔支持槽合补丁天线
Seyed Mohammad Hamidi1, Seyed Mohammad Javad Razavi2, Seyed Hossein Mohseni Armaki1
1Faculty of Electric and Computer, Malek Ashtar University of Technology, Tehran, Iran.
Scientific reports
|January 14, 2025
概括
一种用于Ku频段应用的新型多层单脉冲天线,使用空腔支持的插槽合补丁天线实现了高效率和增益. 这种设计提供了高功率处理和低侧叶,通过模拟和测量验证.
科学领域:
- 电气工程 电气工程
- 天线理论和设计.
- 微波工程 微波工程
背景情况:
- 单脉冲天线对于需要精确跟踪的雷达和通信系统至关重要.
- 传统的设计往往面临效率,功率处理和侧叶水平的挑战.
- 开发紧,高性能天线对于先进的电子系统至关重要.
研究的目的:
- 为Ku-Band应用提供一种新的多层单脉冲天线.
- 为了实现高效率,高收益,高功率处理和低侧叶水平.
- 为了展示一个紧的设计,减少了料网络的复杂性.
主要方法:
- 作为辐射元件,采用了一个以空腔为后盾的插槽合的补丁天线.
- 使用一个封闭的腔结构来最大限度地减少元件合并提高效率.
- 设计了一种多层子阵列天线,配备了集成的腔体功率分隔器和料槽.
- 为创新的养网络实施了二维的切比舍夫分布.
主要成果:
- 天线实现了11%的模拟阻抗带宽.
- 峰值增益达到38.4dBi,在整个带宽中效率超过86%.
- 侧叶水平低于18dB,差异模式的零深度为-38dB.
- 辐射模式表现出良好的对称性,测量结果与模拟非常相匹配.
结论:
- 拟议的多层单脉冲天线在Ku频段应用中表现出卓越的性能特性.
- 这种新的设计有效地解决了与效率,功率处理和侧叶抑制有关的挑战.
- 紧的多层结构和创新的供应网络为系统集成提供了显著的优势.
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