汽车毫米波雷达信号处理技术综述  

Overview of Signal Processing Techniques for Automotive Millimeter-wave Radar

作　　者：黄岩 张慧[1] 兰吕鸿康 邓坤 杨阳[1] 张睿哲 刘江 张彦君 王韵旋 周睿 徐俊 奚新锁 张侠 郑凯航 刘育铭 洪伟[1] HUANG Yan;ZHANG Hui;LAN Lyuhongkang;DENG Kun;YANG Yang;ZHANG Ruizhe;LIU Jiang;ZHANG Yanjun;WANG Yunxuan;ZHOU Rui;XU Jun;XI Xinsuo;ZHANG Xia;ZHENG Kaihang;LIU Yuming;HONG Wei(State Key Laboratory of Millimeter Waves,Southeast University,Nanjing 210096,China)

机构地区：[1]东南大学毫米波国家重点实验室,南京210096

出　　处：《雷达学报（中英文）》2023年第5期923-970,共48页Journal of Radars

基　　金：国家自然科学基金(62271142,62188102,62301152);中央高校基本科研业务费专项资金(2242022K60008)。

摘　　要：作为高级驾驶辅助系统(ADAS)核心之一的汽车毫米波雷达因其具有全天时、全天候、小型化、集成度高等优势,提供了关键的感知能力,逐渐成为国内外学者及厂商关注的焦点。汽车毫米波雷达以汽车作为平台,其核心性能指标主要有距离、速度、角度分辨率、视场范围等,此外,精度、成本、实时性、检测性能和体积也是需要考虑的关键问题。日益提升的性能需求给汽车毫米波雷达信号处理带来了诸多挑战。为了改进雷达性能以满足更严格的要求,雷达的信号处理技术是至关重要的一环。获取致密的雷达点云、生成精确的雷达成像结果、对抗多个雷达系统间的相互干扰是其中的重点,也是后续跟踪、识别等应用的基础。因此,该文从汽车毫米波雷达的实际应用出发,立足于信号处理的关键技术,总结了相关研究成果,主要讨论与车载毫米波雷达相关的以下主题:(1)点云成像处理;(2)合成孔径雷达成像处理;(3)互扰抑制。文章最后对国内外研究现状进行了总结,并展望未来汽车毫米波雷达的发展趋势,希望能给相关领域读者以启发。As one of the core components of Advanced Driver Assistance Systems(ADAS),automotive millimeter-wave radar has become the focus of scholars and manufacturers at home and abroad because it has the advantages of all-day and all-weather operation,miniaturization,high integration,and key sensing capabilities.The core performance indicators of the automotive millimeter-wave radar are distance,speed,angular resolution,and field of view.Accuracy,cost,real-time and detection performance,and volume are the key issues to be considered.The increasing performance requirements pose several challenges for the signal processing of millimeter-wave radar systems.Radar signal processing technology is crucial for improving radar performance to meet more stringent requirements.Obtaining dense radar point clouds,generating accurate radar imaging results,and mitigating mutual interference among multiple radar systems are the key points and the foundation for subsequent tracking,recognition,and other applications.Therefore,this paper discusses the practical application of the automotive millimeter-wave radar system based on the key technologies of signal processing,summarizes relevant research results,and mainly discusses the topics of point cloud imaging processing,synthetic aperture radar imaging processing,and interference suppression.Finally,herein,we summarize the research status at home and abroad.Moreover,future development trends for automotive millimeter-wave radar systems are forecast with the hope of enlightening readers in related fields.

关 键 词：汽车毫米波雷达 点云成像 合成孔径雷达成像 干扰抑制 机器学习 深度学习 

分 类 号：TN95[电子电信—信号与信息处理]