概括
这项研究介绍了一种新的超表面天线阵列,该阵列集成了吸收器和极化转换超表面 (PCM) 以提高雷达截面 (RCS) 减少. 该设计通过模拟和实验测量来验证,在广泛的频率范围内实现宽带RCS减速.
科学领域:
- 电磁超表面电磁超表面表面
- 天线阵列设计设计
- 雷达横截面减小 雷达截面减小
背景情况:
- 超表面为天线应用提供独特的电磁特性.
- 雷达横截面 (RCS) 减小对于隐形技术至关重要.
- 整合吸收器和极化转换元表面 (PCM) 是一种协同作用的方法.
研究的目的:
- 提出和验证一个循环极化 (CP) 超表面天线阵列.
- 通过结合吸收和散射控制来实现宽带RCS减少.
- 为了证明集成PCM和吸收单元的有效性.
主要方法:
- 一个CP超表面天线阵列的设计和模拟.
- 极化转换元表面 (PCM) 和吸收单元的集成.
- 对天线阵列原型的实验制造和测量.
主要成果:
- 实现了12%的阻抗带宽和12.9%的轴比 (AR) 带宽.
- 在宽带范围 (10.220.9 GHz,68.8%) 上显示了10dB的RCS降低.
- 观察到最大的RCS减值为33.2dB;实验结果与模拟结果一致.
结论:
- 拟议的超表面天线阵列有效地实现了宽带RCS减少.
- PCM和吸收器的协同集成增强了散射控制和吸收.
- 经过验证的设计为隐形应用提供了一个有前途的解决方案.
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