汽车激光雷达距离速度同时测量方法  

Method of Simultaneous Measurement of Range and Speed for Vehicle Laser Radar

作　　者：黄少伟 周亚琪 毛雪松[2] HUANG Shaowei;ZHOU Yaqi;MAO Xuesong(School of Computer Science and Software/School of Big Data,Zhaoqing University,Zhaoqing Guangdong,526061,CHN;School of Information Science and Engineering/School of Artificial In-telligence,Wuhan University of Science and Technology,Wuhan 430081,CHN)

机构地区：[1]肇庆学院计算机科学与软件学院/大数据学院,广东肇庆526061 [2]武汉科技大学信息科学与工程学院/人工智能学院,武汉430081

出　　处：《光电子技术》2021年第2期153-158,共6页Optoelectronic Technology

基　　金：广东省教育厅2020年度普通高校重点科研平台(2020ZDZX3020)。

摘　　要：智能驾驶汽车在动态场景中完成路径规划需要获取环境目标的距离和速度,然而目前所使用的激光雷达只能测量目标的距离,不能利用多普勒同时测量目标的速度。提出一种脉冲位置调制波形,并在接收端设计数据累加方法和非等间隔傅里叶频谱分析方法,在单检测器上实现目标的距离和速度同时测量。结果表明该方法具有良好的抗噪声性能和测量精度,波形长度满足激光雷达高空间解像度的要求。For achieving path planning in dynamic environments,intelligent vehicles are required to obtain range and speed of surrounding targets.However,current vehicle laser radars could only measure target range,but not speed by utilizing Doppler.A pulse position modulated waveform was proposed at the transmitting end,meanwhile data integration and non-uniform Fourier transform were designed at the receiving end,for realizing range and speed measurement simultaneously through a single optical detector.The results showed that the method had excellent anti-noise performance and high precision,and the length of the waveform could meet high spatial resolution requirements of vehicle laser radar.

关 键 词：激光雷达 智能驾驶 脉冲位置调制 数据累加 非等间隔傅里叶变换 

分 类 号：TN958.98[电子电信—信号与信息处理]