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首页> 外文期刊>The Journal of Engineering >Research on dual-polarisation printed dipole antenna for spherical near-field measurements
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Research on dual-polarisation printed dipole antenna for spherical near-field measurements

机译：用于球形近场测量的双极化印刷偶极天线研究

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摘要

Here a dual-polarisation printed dipole antenna for spherical near-field measurements is proposed. The printed dipole employs double-layered structure to obtain low cross-polarisation and uses irregular patch to get wide bandwidth. Two such dipoles are cross arranged to form a dual-polarisation dipole antenna. Simulated results show that the bandwidth is over 72% when VSWR is less than 3, the cross-polarisation ratio is better than 30 dB, the port isolation between two dipoles is better than −26 dB, while good radiation performance is also obtained. All the results above prove that the crossed arrangement structure will not affect the performance of the printed dipole, and the strength of mutual coupling between probes can be neglected.
机译：这里提出了一种用于球形近场测量的双极化印刷偶极天线。印刷的偶极子采用双层结构来获得低交叉极化，并使用不规则贴片以获得宽带宽度。两个这样的偶极子被交叉被布置成形成双极化偶极天线。模拟结果表明，当VSWR小于3时，带宽超过72％，交叉偏振比优于30dB，两个偶极子之间的端口隔离优于-26dB，而还获得了良好的辐射性能。上述所有结果证明，交叉的布置结构不会影响印刷偶极子的性能，并且可以忽略探针之间的相互耦合强度。

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