具有宽带和单平面特性的紧凑差分准八木天线

2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI) Pub Date : 2021-12-04 DOI:10.1109/APS/URSI47566.2021.9704420

Zhihao Zhu, Yaowei Hou, Yue Ping Zhang

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引用次数: 0

摘要

提出了一种具有宽带和单平面特性的紧凑差分准八木天线。设计了一种由锥形耦合微带线(TCML)和共面带(CPS)组成的阻抗互感器。该天线的- 10 dB差模(DM)回波损耗带宽为54.1% (7.95 ~ 13.85 GHz)，效率约为94%。前后比优于9.1 dB，交叉极化小于−20 dB。仿真结果表明，在工作带宽范围内，最大共模抑制为0.6 dB，增益为3.4 ~ 5.5 dBi。

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A Compact Differential Quasi-Yagi Antenna With Broadband and Uniplanar Characteristics

This paper presents a compact differential quasi-Yagi antenna with broadband and uniplanar characteristics. An impedance transformer is designed combining a section of tapered coupled microstrip lines (TCML) and a section of coplanar strips (CPS). The proposed antenna exhibits a −10 dB differential-mode (DM) return loss bandwidth of 54.1% (7.95 to 13.85 GHz) with efficiency of around 94%. The front-to-back ratio is better than 9.1 dB while the cross-polarization is less than −20 dB. Besides, simulated results demonstrate that the maximum common-mode (CM) rejection is 0.6 dB and the gain is from 3.4 dBi to 5.5 dBi within the operating bandwidth.

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来源期刊

2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI)

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