A 77-GHz FMCW Radar using a Digital Phase-Locked Synthesizer

被引：0
|
作者：
Wagner, Christoph [1 ]
Feger, Reinhard [1 ]
Haderer, Andreas [2 ]
Fischer, Alexander [3 ]
Stelzer, Andreas [1 ,2 ]
Jaeger, Herbert [3 ]
机构：
[1] Johannes Kepler Univ Linz, Christian Doppler Lab Integrated Radar Sensors, Altenberger Str 69, A-4040 Linz, Austria
[2] Johannes Kepler Univ Linz, Inst Commun & Informat Engn, A-4040 Linz, Austria
[3] Danube Integrated Circuit Engn, A-4040 Linz, Austria
来源：
2008 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST, VOLS 1-4 | 2008年
关键词：
Digital PLL; 77; GHz; FMCW radar;
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：
A digital phase-locked synthesizer for application in a 77-GHz frequency modulated continuous wave (FMCW) radar is presented. It consists of a digital phase discriminator, a digital loop filter, highpass modulation, and predistortion of the VCO tuning characteristic. An additional feature is the ability to store the previous phase errors for iterative adaptation of the loop filter coefficients and the highpass modulation parameter. A radar system has been built to compare the proposed digital synthesizer to an offset-loop based one in actual radar measurements.
引用
收藏
页码：350 / +
页数：2
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