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Cylindrical conformal array antenna for near field focusing

机译:用于近场聚焦的圆柱形共形阵列天线

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摘要

This paper proposes a cylindrical conformal antenna array for near‐field focusing. Two dimensional focusing scanning can be realized by using digital phase shifters. In addition, omnidirectional scanning along circumference of the cylinder can be obtained with good stability by feeding a fixed number of antenna elements in the different section of the cylindrical array. One third of the cylindrical array is fabricated and measured to verify the near‐field focusing performances. Both simulation and measurement show that the proposed cylindrical conformal array antenna can effectively achieve two‐dimensional near‐field focusing scanning. Compared with planar array, cylindrical array can broaden the scanning range to omnidirection with good stability in horizontal dimension. This method can provide references for applications such as radio frequency identification and wireless power transfer.
机译:本文提出了一种用于近场聚焦的圆柱形共形天线阵列。使用数字移相器可以实现二维聚焦扫描。此外,通过在圆柱阵列的不同截面中馈送固定数量的天线元件,可以获得沿圆柱体圆周的全向扫描,具有良好的稳定性。对三分之一的圆柱阵列进行制造和测量,以验证近场聚焦性能。仿真和实测结果表明,所提出的圆柱形共形阵列天线能够有效地实现二维近场聚焦扫描。与平面阵列相比,圆柱阵列可以将扫描范围扩大到全向,在水平尺寸上具有良好的稳定性。该方法可为射频识别、无线电力传输等应用提供参考。

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