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高通量毫米波束扫描发射阵天线天线

Hao-Zheng Yang1, Shi-Wei Qu1

  • 1School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.

Sensors (Basel, Switzerland)
|July 11, 2023
PubMed
概括
此摘要是机器生成的。

这项研究介绍了一种具有扫描能力的新型高收益毫米波传输阵列天线 (TAA),在紧的光圈内开发. 创新的光束形成算法提高了毫米波应用的扫描性能.

关键词:
射线扫描光束扫描高增益的高增益获得.毫米波波段中的毫米波波段.发射器阵列天线天线

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科学领域:

  • 电磁和天线 电磁和天线
  • 微波工程 微波工程
  • 应用物理 应用物理

背景情况:

  • 毫米波 (mmWave) 频率提供了很大的带宽,但在天线增益和光束转向方面面临着挑战.
  • 传输阵列天线 (TAA) 是高收益应用的有希望的解决方案,但在有限的光圈内集成扫描功能仍然是一个挑战.

研究的目的:

  • 开发具有集成扫描能力的高收益毫米波传输阵列天线 (TAA).
  • 为了在有限的光圈区域内实现光束扫描,而无需修改主阵列输入.
  • 提出一个波束形成算法,以提高阵列养TAA的扫描性能.

主要方法:

  • 将阵列输入集成为TAA的主要发射器.
  • 在单焦镜头相分布中添加了失焦相,以使光束分散.
  • 使用正方形波导元件设计的发射阵列,其焦点与直径比 (F/D) 为0.6.
  • 开发一个光束形成算法来确定阵列料激发系数.

主要成果:

  • 通过计算实现了1D扫描,范围为-5°至5°.
  • 在160 GHz测量了37.95dBi的高增益.
  • 在150-170 GHz工作频段中,在测量和计算结果之间观察到最大2.2dB的误差.

结论:

  • 开发的传输阵列天线成功地在毫米波段产生可扫描的高收益束.
  • 拟议的设计和束形算法表明了未来毫米波通信和传感应用的潜力.
  • 紧的光圈设计避免了对阵列更换或扩展的需求,提供了实用优势.