基于印刷振子和微带贴片的双极化天线单元研究

许群; 刘少斌; 王云香; 宋立众; 曹洪伟

doi:10.11999/JEIT160758

基于印刷振子和微带贴片的双极化天线单元研究

doi: 10.11999/JEIT160758

2.
(南京航空航天大学电子信息工程学院南京 210016) ②(中国航空工业济南特种结构研究所高性能电磁窗航空科技重点实验室济南 250031) ③(哈尔滨工业大学(威海)信息与电气工程学院威海 264209)

基金项目:

航空科学基金项目(20131837001)

计量
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- 被引次数: 0
出版历程
- 收稿日期: 2016-07-19
- 修回日期: 2017-04-24
- 刊出日期: 2017-07-19

Dual-polarized Antenna Based on Printed Dipole and Microstrip Patch

2.
(Department of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China)

Funds:

The Science Foundation of Aeronautics of China (20131837001)

摘要

摘要: 该文基于互补天线的原理，研究了一种基于印刷振子和圆形微带贴片的双极化天线单元，其中印刷振子为电流辐射源，圆形微带贴片等效为磁流辐射源，它们分别组成了两个极化端口，在空间形成双极化的辐射场。采用全波电磁仿真技术对该天线结构进行了电磁仿真和优化设计，仿真结果表明，在工作频带范围内，所设计的双极化天线的隔离度达到22 dB以上，在主辐射方向的交叉极化电平低于-20 dB。加工了双极化天线单元并进行了测试，其电压驻波比、端口隔离度和交叉极化电平均满足双极化天线的技术指标要求，验证了该双极化天线设计的可行性。
- 双极化天线 /
- 振子天线 /
- 微带贴片天线 /
- 辐射方向图 /
- 交叉极化
Abstract: Based on the principle of the complementary antenna, a kind of dual-polarized antenna element is studied, which combines the printed dipole antenna and circular microstrip patch. The printed dipole antenna is the electric current radiation source and the circular microstrip patch is the magnetic current radiation source. The two polarization ports are composed of the electronic and magnetic radiation resource, respectively, which radiate dual polarized electromagnetic fields. The electromagnetic simulation and optimization design of the dual-polarized antenna are carried out using the full wave electromagnetic simulation technique, and the simulation results show that the isolation of the designed antenna is above 22 dB and the cross polarization level is lower than -20 dB at the boresight direction within the operational frequency range. The measured results of the fabricated antenna indicate that the Voltage Standing Wave Ratio (VSWR), port isolation degree and the cross polarization level can satisfy technical requirements.
- Dual-polarized antenna /
- Dipole antenna /
- Microstrip patch antenna /
- Radiation pattern /
- Cross polarization

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参考文献(19)

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