概括
本研究介绍了双循环极化 (CP) 传输阵列天线 (TA),可以为卫星通信创建独立的平面顶梁. 这些天线提供量身定制的增强差异和广角扫描功能.
科学领域:
- 电磁学和波浪传播
- 天线理论和设计.
- 无线通信无线通信
背景情况:
- 卫星通信和雷达系统需要先进的天线解决方案来满足不断变化的需求.
- 双环极化 (CP) 天线对于减轻干扰和提高信号质量至关重要.
- 传输阵列天线 (TA) 在波束成形方面在尺寸和效率方面具有优势.
研究的目的:
- 为了研究双CP传输阵列天线 (TAs) 产生旋转脱的平顶梁.
- 为了实现双CP光束之间的定制增强差异.
- 为先进的通信系统展示广角光束扫描能力.
主要方法:
- 开发了一种高效的接收器-发射器元件,用于双CP波的独立相位和振幅控制.
- 采用了修改过的交叉方法来合成不同的风扇形和圆形平顶梁,用于LHCP和RHCP通道.
- 实现并模拟了三个具有不同增强差异 (-6,0,6 dB) 的TA,并通过实验验证了6 dB的情况.
主要成果:
- 成功生成了旋转脱的平顶梁,在LHCP和RHCP通道之间具有精确的增强差异.
- 证明了可定制的能量分配能力,用于灵活的光束成型.
- 通过模拟和实验测量验证了广角光束扫描性能.
结论:
- 拟议的双CP TAs有效地产生高质量的,旋转脱的平顶梁,具有可定制的增益差异.
- 开发的天线元件和合成方法使双CP信号的灵活能量分配成为可能.
- 实验验证证了这些TA对于先进的卫星和雷达系统的实际适用性.
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