低交叉极化水平的宽带滤波贴片天线

doi:10.16257/j.cnki.1681-1070.2019.0046

电子与封装 ›› 2019, Vol. 19 ›› Issue (4): 045 -48. doi: 10.16257/j.cnki.1681-1070.2019.0046

• 产品、应用与市场 • 上一篇

低交叉极化水平的宽带滤波贴片天线

张　诚，毛　臻，杨　兵，丁涛杰

中国电子科技集团公司第五十八研究所，江苏无锡　214072

收稿日期:2019-01-04 出版日期:2019-04-20 发布日期:2020-01-16
作者简介:张　诚（1993—），男，江苏如东人，硕士学历，现从事微带天线及射频收发机的设计工作。

Wideband Filtering Patch Antenna with Low Cross-Polarized Level

ZHANG Cheng, MAO Zhen, YANG Bing, DING Taojie

China Electronics Technology Group Corporation No.58 Research Institute, Wuxi 214072, China

Received:2019-01-04 Online:2019-04-20 Published:2020-01-16

摘要/Abstract

摘要： 提出了一种低交叉极化水平的宽带贴片滤波天线。在层叠式贴片与金属大地之间插入一对1/4波长短路谐振器，天线的通带内可出现3个反射零点，实现了拓展天线工作带宽的效果。在通带的高端出现两个反射零点，提高了天线的高端带外抑制水平。该天线与传统的微带贴片天线相比，具有宽频带、高增益、低交叉水平以及高端频率选择性的优势。为验证理论预期的可实现性，设计了中心频率在3.5 GHz的天线案例。仿真结果表明，该天线的剖面高度为0.1 λ0，10 dB匹配带宽为22%，增益为8.4 dBi，交叉极化小于-30 dB。

关键词: 宽带天线；滤波天线；宽频带；低交叉极化

Abstract: Awideband filtering patch antenna with low cross-polarized level is proposed. By the insertion of the quarter-wavelength short-circuited resonator between the stacked patches and the ground, three reflection zeros appear in the pass band, which contributes to the enhancement of the bandwidth. The upper out-of-band suppression level is enhanced by the appeared radiation zeros. Compared with the traditional patch antenna, this antenna has the advantages of enhanced bandwidth and realized gain, low cross-polarized level and upper-band frequency selectivity. For verifying the theoretical prediction, one example is designed at 3.5 GHz. The simulated results show that the height of the design is 0.1λ0, the 10-dB matching bandwidth is 22%, the realized gain is 8.4dBi and the cross-polarization is below -30dB.

Key words: wideband antenna; filtering antenna; wideband; low cross-polarized level

中图分类号:

张　诚，毛　臻，杨　兵，丁涛杰. 低交叉极化水平的宽带滤波贴片天线[J]. 电子与封装, 2019, 19(4): 045 -48.

ZHANG Cheng. Wideband Filtering Patch Antenna with Low Cross-Polarized Level[J]. Electronics & Packaging, 2019, 19(4): 045 -48.

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低交叉极化水平的宽带滤波贴片天线

Wideband Filtering Patch Antenna with Low Cross-Polarized Level

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