Metamaterial Lens for Monopulse Beamforming with a 77-GHz Long-Range Radar

被引：0
作者：
Kohlberger, Christoph [1 ]
Huettner, Richard [2 ]
Stelzer, Andreas [2 ]
机构：
[1] Silicon Austria Labs GmbH, Graz, Austria
[2] Johannes Kepler Univ Linz, Inst Commun Engn & RF Syst, Graz, Austria
来源：
2021 51ST EUROPEAN MICROWAVE CONFERENCE (EUMC) | 2021年
关键词：
Metamaterial; frequency selective surface; automotive radar; FMCW radar; millimeter wave; Fresnel lens; lens antenna; ANTENNA;
D O I：
暂无
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：
The presented work describes the application of a metamaterial lens for monopulse beamforming in a 77-GHz automotive radar system. For that, a radar frontend with commercially available MMICs was created and run with a lens system designed on a six-layer printed circuit board. Despite the high design frequency and therefore small structure sizes, the fabricated frequency selective surface exhibited very good performance over a broad frequency range. This is thanks to the phase shifting nature of multiple metasurface bandpasses which were extracted efficiently from a novel interpolation procedure. Both, the single bandpasses and the whole lens system in combination with the radar front-end were measured and verified, giving remarkable results, matching the simulations.
引用
收藏
页码：253 / 256
页数：4
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