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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Rotated Stacked Yagi Antenna with Circular Polarization for IoT Applications
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Rotated Stacked Yagi Antenna with Circular Polarization for IoT Applications

机译：具有IOT应用的圆极化旋转堆叠的yagi天线

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摘要

This letter proposes a rotated stacked Yagi antenna with high directivity and circular polarization. The proposed antenna consists of three elements with a rotation angle and different lengths: a director, a reflector, and a driven element connected to the coaxial feeder. The coaxial feeding is connected to the driven element of the proposed antenna via a LC-balun, and the others are coupled with the driven element. Each stacked element with different lengths is equally rotated at an angle of 60 degrees with respect to the lower element so that the dipole array antenna forms a high directive circular polarization. The size of the proposed antenna is 0.49 lambda(0) x 0.49 lambda(0) x 0.17 lambda(0) at 2.45 GHz and achieved a 10 dB impedance bandwidth of 6.3%, a 3 dB axial ratio bandwidth of 8%, and a peak gain of 4.3 dBic.
机译：这封信提出了一种具有高方向性和圆极化的旋转堆叠的yagi天线。所提出的天线由具有旋转角度和不同长度的三个元件组成：导向器，反射器和连接到同轴馈送器的从动元件。同轴进料通过LC-BALUN连接到所提出的天线的从动元件，并且其他与驱动元件耦合。具有不同长度的每个堆叠元件相对于下部元件以60度的角度同等旋转，使得偶极阵列天线形成高指示圆极化。所提出的天线的尺寸为0.49λ（0）×0.49λ（0）λλ（0），在2.45GHz，实现了10dB阻抗带宽为6.3％，3dB轴向比带宽8％，a峰值增益为4.3 dbic。

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