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首页> 外文会议>International Conference on Microwave and Photonics >Two-port 3D printed trefoil torus knot antenna with pattern diversity
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Two-port 3D printed trefoil torus knot antenna with pattern diversity

机译：具有模式多样性的两端口3D打印三叶环结天线

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摘要

A two-port trefoil torus knot antenna with pattern diversity is proposed. The antenna can generate both broadside pattern, and conical beam pattern. Broadside pattern is obtained by exciting a trefoil knot and a conical beam pattern is achieved by exciting a monopole. Both modes are engineered to operate in an overlapped frequency range. The prototype of the antenna structure operating at 2.45 GHz is realized using 3D printing and the performance is measured in an anechoic chamber. The measured overlapping impedance bandwidth (-10 dB) of both patterns is 16.49% from 2.28 GHz to 2.69 GHz with an isolation of 12 dB between two ports. Measured gain at 2.45 GHz is 8.37 dBi and 4.5 dBi for broadside pattern and conical beam pattern respectively. The proposed antenna can be used as pattern diversity ceiling mounted antenna for indoor communications.
机译：提出了一种具有模式分集的两端口三叶圆环结天线。天线可以产生宽边方向图和锥形波束方向图。通过激发三叶形结获得宽边图案，并通过激发单极子获得锥形束图案。两种模式均设计为在重叠的频率范围内工作。使用3D打印可实现以2.45 GHz运行的天线结构的原型，并在消声室内测量性能。在2.28 GHz至2.69 GHz范围内，两个模式的重叠阻抗带宽（-10 dB）的测量值为16.49％，两个端口之间的隔离度为12 dB。对于宽边方向图和锥形波束方向图，在2.45 GHz处测得的增益分别为8.37 dBi和4.5 dBi。所提出的天线可以用作室内通信的型式分集安装在天花板上的天线。

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