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Design of an Array-based Plane Wave Generator for Compact Field Antenna Testing

机译:基于阵列的平面波发生器设计,用于紧凑型现场天线测试

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摘要

A near-field planar array of wideband dual polarized antennas for plane-wave synthesis has been investigated. The paper presents a PWG with a concentric ring array of 84 Vivaldi antennas which can work at 0.6GHz-3GHz. The constraint least square (CLS) algorithm is used to optimize the weight coefficients of the array elements, which effectively reduce the influence of system uncertainty on quiet zone (QZ) ripple. To reduce the system cost and complexity, the array elements in each concentric ring form a sub-array and the elements of the same sub-array adopt a passive beam forming network. The simulation and initial test results of a circular QZ with a diameter of 600 mm are given. The results demonstrate the feasibility of our design.
机译:研究了用于平面波合成的宽带双极化天线的近场平面阵列。 本文呈现PWG,具有84 VivalDi天线的同心环阵列,可在0.6GHz-3GHz下工作。 约束最小二乘(CLS)算法用于优化阵列元件的权重系数,这有效地减少了系统不确定性对安静区域(QZ)纹波的影响。 为了降低系统成本和复杂性,每个同心环中的阵列元件形成子阵列,并且相同子阵列的元件采用被动波束形成网络。 给出了直径为600mm的圆形Qz的仿真和初始测试结果。 结果表明了我们设计的可行性。

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  • 作者单位

    Xi An Jiao Tong Univ Fac Elect & Informat Engn Xian 710049 Peoples R China;

    Xi An Jiao Tong Univ Fac Elect & Informat Engn Xian 710049 Peoples R China|Southeast Univ State Key Lab Millimeter Waves Nanjing 211189 Peoples R China;

    Xi An Jiao Tong Univ Fac Elect & Informat Engn Xian 710049 Peoples R China;

    Xi An Jiao Tong Univ Fac Elect & Informat Engn Xian 710049 Peoples R China;

    EM Testing Shanghai 200000 Peoples R China;

    Xi An Jiao Tong Univ Fac Elect & Informat Engn Xian 710049 Peoples R China;

    Harbin Engn Univ Coll Informat & Commun Engn Harbin 150001 Peoples R China|Chinese Acad Sci Natl Space Sci Ctr Key Lab Microwave Remote Sensing Beijing 100190 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Constrained Least Square (CLS); wideband dual polarized; plane wave synthesis;

    机译:约束最小二乘(CLS);宽带双极化;平面波合成;

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