Phase Noise Analysis in FMCW Radar Systems

被引：0
|
作者：
Siddiq, Kashif [1 ]
Watson, Robert J. [1 ]
Pennock, Steve R. [1 ]
Avery, Philip [2 ]
Poulton, Richard [2 ]
Dakin-Norris, Ben [2 ]
机构：
[1] Univ Bath, Dept Elect & Elect Engn, Bath BA2 7AY, Avon, England
[2] Navtech Radar Ltd, Ardington OX12 8PD, England
来源：
2015 45TH EUROPEAN MICROWAVE CONFERENCE (EUMC) | 2015年
关键词：
Phase Noise; Homodyne Radar; Coherence; FMCW;
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：
Phase noise in radar transmitters is known to raise the noise floor around large targets, making impossible the detection & tracking of small targets nearby. This paper presents phase-noise modelling techniques, with a focus on homodyne FMCW radars, to accurately predict the level of phase noise expected in the radar display. Phase noise models of the sub-systems inside a typical radar are presented. We also discuss the cancellation of phase noise in coherent radar systems for short-ranges and analyse the situation for longer ranges. Practical measurements from a millimetre-wave radar system are presented to validate the theoretical modelling.
引用
收藏
页码：1523 / 1526
页数：4
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