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Wide-Angle Scanning Low Profile Phased Array Antenna Based on a Novel Magnetic Dipole

机译:基于新型磁偶极子的广角扫描薄型相控阵天线

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摘要

A novel microstrip magnetic dipole antenna that can be applied to wide-angle scanning phased array antennas in both E- and H-planes is proposed. The proposed antenna has a low profile of 0.03λ0 ( λ0 denotes the free-space wavelength corresponding to the center operating frequency), and a compact size of 0.32λ0×0.31λ0 . The half-power beamwidth of the proposed antenna with an infinite ground is about 180° in the E-plane and 85° in the H-plane, which has a large potential for wide-angle scanning phased array. When it is applied to phased array antennas, the scanning coverage is wide. The proposed planar phased arrays are fabricated and experimentally verified. The measured results show that the main beam can scan from −76° to 76° with 3-dB gain fluctuation in the E-plane and from −64° to 64° in the H-plane.
机译:提出了一种新颖的微带磁偶极子天线,该天线可应用于E平面和H平面的广角扫描相控阵天线。所提出的天线具有0.03λ0的低轮廓(λ0表示与中心工作频率相对应的自由空间波长),并且紧凑尺寸为0.32λ0×0.31λ0。所提出的具有无限接地的天线的半功率波束宽度在E平面中约为180°,在H平面中约为85°,这对于广角扫描相控阵具有很大的潜力。当将其应用于相控阵天线时,扫描范围很广。提出的平面相控阵是制造和实验验证。测量结果表明,主光束可以在-76°至76°范围内扫描,其中E平面的增益波动为3 dB,而在H平面中的扫描范围为-64°至64°。

著录项

  • 来源
    《IEEE Transactions on Antennas and Propagation》 |2017年第3期|1151-1162|共12页
  • 作者单位

    School of Physical Electronics, Institute of Applied Physics, University of Electronic Science and Technology of China, Chengdu, China;

    School of Physical Electronics, Institute of Applied Physics, University of Electronic Science and Technology of China, Chengdu, China;

    School of Physical Electronics, Institute of Applied Physics, University of Electronic Science and Technology of China, Chengdu, China;

    School of Physical Electronics, Institute of Applied Physics, University of Electronic Science and Technology of China, Chengdu, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Phased arrays; Microstrip antennas; Dipole antennas; Microstrip; Magnetic resonance; Microstrip antenna arrays;

    机译:相控阵;微带天线;偶极天线;微带;磁谐振;微带天线阵列;

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