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使用全息技术设计一个通向的形光束漏电波天线,使用全息技术
Samira Azad1, Mobina Azad1, Ali Abdolali2
1School of Electrical Engineering, Iran University of Science and Technology, Tehran, 16846-1314, Iran.
Scientific reports
|November 14, 2025
概括
研究人员开发了一种新的全息方法,以创建具有扫描能力的无向泄漏波天线 (LWA). 这种天线设计准确地预测远场模式,并显示了无线通信应用的前景.
科学领域:
- 电磁学和应用物理学
- 天线理论和设计.
背景情况:
- 漏波天线 (LWA) 对于定向和扫描应用至关重要.
- 对于某些无线通信系统来说,形辐射模式是可取的.
- 全息原理为先进的天线合成提供了一个潜在的方法.
研究的目的:
- 介绍一种全息方法,用于用高度扫描合成全向LWA.
- 为全息LWA引入光圈场估计理论.
- 通过制造和实验测量来验证设计.
主要方法:
- 对全息LWA合成的孔径场估计理论.
- 使用单极发射器进行全息图激发.
- 设计LWA的制造和无声室测量.
主要成果:
- 实现了20%的阻抗带宽 (9-11 GHz).
- 显示平均实现增益为12.5dBi.
- 测量的最大实现增益为13.1dBi,光束扫描,-10dB SLL和91%的辐射效率在10GHz.
结论:
- 拟议的全息原理准确地预测了远场特征.
- 实验结果验证了通向LWA的设计方法.
- 开发的全息天线适用于无线通信系统.
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