Single-Layer 2-D SIW monopulse slot antenna array with dual-mode comparator

被引：2

作者：

Sun, Zhichao ^{[1
]}

Liu, Shaobin ^{[1
]}

Wang, Junyin ^{[1
]}

Liu, Yuchen ^{[1
]}

He, Wenhui ^{[1
]}

Yang, Yuning ^{[1
]}

Zheng, Xinyuan ^{[1
]}

Lou, Jian ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Key Lab Radar Imaging & Microwave Photon, Minist Educ, Nanjing 210016, Peoples R China

来源：

AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2023年 / 159卷

基金：

中国国家自然科学基金;

关键词：

Dual-mode; Monopulse antenna; Orthogonal-axis tracking; Substrate integrated waveguide (SIW); Slot antenna array; W-BAND; FEEDER;

D O I：

10.1016/j.aeue.2022.154490

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A single-layer 2-D substrate integrated waveguide (SIW) monopulse slot antenna is proposed in this paper. By adopting the dual-mode monopulse comparators (DMCs), the feeding network exhibited excellent amplitude -phase consistency and high isolations between input ports. Additionally, the structure of the proposed an-tenna is effectively simplified by integrating the feeding network with the radiation part on a single-layer sub-strate. Based on it, a monopulse antenna prototype is fabricated and measured. The measured results show that the-10 dB shared impedance bandwidth of 4 ports is 2.05 % (9.65-9.85 GHz) and the isolations between ports are better than 25 dB. The measured gain of the sum pattern is 13.93 dBi at 9.75 GHz, and the null depths of the difference patterns are lower than-30 dB.

引用

页数：8

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