调频连续波激光雷达技术进展  

Progress of Frequency-Modulated Continuous-Wave Lidars

作　　者：徐忠扬 张洪祥 陈凯[1] 潘时龙[1] XU Zhong-yang;ZHANG Hong-xiang;CHEN Kai;PAN Shi-long(Key Laboratory of Radar Imaging and Microwave Photonics,Ministry of Education,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China)

机构地区：[1]南京航空航天大学雷达成像与微波光子技术教育部重点实验室

出　　处：《真空电子技术》2019年第4期18-26,40,共10页Vacuum Electronics

摘　　要：调频连续波激光雷达将调频连续波测距与激光探测技术相结合,具有测距范围大、距离分辨率高、可进行多普勒测速、有利于片上集成等优点。本文首先对调频连续波激光雷达的测量原理进行分析。随后,根据光源不同将调频连续波激光雷达分为三类,分别对其技术特点和研究现状进行阐述。最后,对目前调频连续波激光雷达的前沿应用进行了简单介绍。Combining the technologies of FMCW ranging and laser detection,frequency-modulated continuous-wave(FMCW)lidars have advantages of large measurement range,high resolution,the capability of Doppler velocimetry,and the potential for on-chip integration.In this paper,the principle of FMCW lidars is first analyzed;then the key features and recent progress of FMCW lidars categorized in three types with different laser source are described;and finally the cutting-edge applications of FMCW lidars are discussed in brief.

关 键 词：调频连续波激光雷达 测距 激光探测 

分 类 号：TN958.98[电子电信—信号与信息处理]