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首页> 外文期刊>Applied Computational Electromagnetics Society journal >A Novel Omnidirectional Circularly Polarized Pagoda Antenna with Four Shorting Pins for UAV Applications
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A Novel Omnidirectional Circularly Polarized Pagoda Antenna with Four Shorting Pins for UAV Applications

机译：一种新型全向圆极化塔天线，用于UAV应用四个短销

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摘要

A novel omnidirectional circularly polarized (CP) pagoda antenna with four shorting pins is presented. In this structure, four curved branches are utilized to generate horizontal polarization, while coaxial cable and four shorting pins produce vertical polarization. Omnidirectional CP radiation is achieved by combining the radiation from the branches and the shorting pins. The curved branches loaded with shorting pins reduce the size of the antenna and the antenna is loaded with the lower substrate with two coupling patches to improve the bandwidth The novel pagoda antenna is fabricated and measured. Its final dimensions are 0.42 lambda(0)*0.42 lambda(0)*0.33 lambda(0) (lambda(0) is the free-space wavelength at operating frequency). The impedance bandwidth (S-11 =-10dB) is 0.53GHz and the axial ratio (AR) bandwidth (AR = 3dB) is 0.95GHz, which can be used for unmanned aerial vehicles' diagram transmission in China.
机译：提出了一种新的全向圆极化（CP）宝塔天线，具有四个短路引脚。在该结构中，利用四个弯曲分支产生水平极化，而同轴电缆和四个短路引脚产生垂直极化。通过将辐射与分支和短路引脚组合来实现全向CP辐射。装载短路销的弯曲的分支减小了天线的尺寸，并且天线与下部基板一起装载，其中两个耦合贴片以改善新颖的宝塔天线制造和测量的带宽。其最终尺寸为0.42λ（0）* 0.42λ（0）* 0.33λ（0）（Lambda（0）是运行频率的自由空间波长）。阻抗带宽（S-11 <= -10dB）为0.53GHz，轴向比（AR）带宽（AR <= 3DB）为0.95GHz，可用于中国的无人航空车辆图传输。

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