A 77-GHz FM/CW radar front-end with a low-profile low-loss printed antenna

被引：62
|
作者：
Menzel, W [1 ]
Pilz, D
Leberer, R
机构：
[1] Univ Ulm, Microwave Tech Dept, D-89069 Ulm, Germany
[2] Daimler Chrysler Aerosp, D-89070 Ulm, Germany
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1999年 / 47卷 / 12期
关键词：
automotive radar; integrated circuits; millimeter wave; millimeter-wave radar; printed circuit antenna; reflector antenna; scanning antenna;
D O I：
10.1109/22.808965
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：
Design and results of a 77-GHz frequency-modulation/continuous-wave radar sensor based od a simple waveguide circuitry and a novel type of printed, low-profile, and low-loss antenna are presented. A Gunn voltage-controlled oscillator and a finline mixer act as transmitter and receiver, respectively, connected by two E-plane couplers. The folded reflector-type antenna consists of a printed slot array and another planar substrate, which, at the same time, provides twisting of the polarization and focusing of the incident wave. The performance of the radar is described, together with the initial results of a scanning of the antenna beam.
引用
收藏
页码：2237 / 2241
页数：5
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