Radial Line Slot Antenna Design With Groove Gap Waveguide Feed for Monopulse Radar Systems

被引：17

作者：

Vazquez-Roy, Jose Luis ^{[1
]}

Tamayo-Dominguez, Adrian ^{[2
]}

Rajo-Iglesias, Eva ^{[1
]}

Sierra-Castaner, Manuel ^{[2
]}

机构：

[1] Univ Carlos III Madrid, Dept Commun & Signal Theory, Madrid 28911, Spain

[2] Univ Politecn Madrid, Dept Signals Syst & Radiocommun, E-28040 Madrid, Spain

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2019年 / 67卷 / 10期

关键词：

Slot antennas; Antenna radiation patterns; Optimization; Radar antennas; Cavity resonators; Antenna feeds; Groove gap-waveguide; monopulse; radial slot array;

D O I：

10.1109/TAP.2019.2922742

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：

Radial line slot arrays (RLSAs) are well suited to be used in monopulse radar systems. The excitation of the sum and difference patterns can be achieved by the design of simple feeds as shown in this paper. In this work, a feed system based on the use of a cavity made in groove gap waveguide technology (GGW) is presented. The design is made at 24 GHz but can be easily scaled to higher frequencies as the technology is contact-less and fully made in metal. A good isolation between the sum and difference ports together with a good matching of the two of them is obtained. The radiation patterns of the manufactured antenna are also in good agreement with the simulated ones.

引用

页码：6317 / 6324

页数：8

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