激光技术2019，Vol.43Issue(2)：233-237,5.DOI:10.7510/jgjs.issn.1001-3806.2019.02.016
多普勒激光雷达的飞机尾涡识别方法
Identification method of aircraft wake vortex based on Doppler lidar
摘要
Abstract
In order to improve civil aviation safety and flight efficiency and realize accurate identification of wake vortex, aerodynamic theory of aircraft tail vortex, especially the classical Halock-Burnham wake velocity mathematical model was analyzed and studied. One standard radial velocity model for radar aircraft wake detection was established by using the principle of Doppler lidar to detect the radial velocity of vortex wind field. The idea of sliding window was introduced. A method based on waveform similarity matching was proposed to identify the wake vortex automatically. The detailed algorithm flow was also given. The recognition method is theoretically analyzed and experimentally verified by using the measured data of lidar wind field and the hypothesis testing method. The results show that the effective recognition rate of this algorithm for aircraft wake vortex is 90％. The results of the study have some reference value for further wake monitoring.关键词
信号处理/多普勒激光雷达/尾涡识别/Hallock-Burnham速度模型/滑动窗口/波形匹配Key words
signal processing/Doppler lidar/wake vortex identification/Hallock-Burnham velocity model/sliding window/waveform matching分类
航空航天引用本文复制引用
潘卫军,张庆宇,张强,李华,吴郑源..多普勒激光雷达的飞机尾涡识别方法[J].激光技术,2019,43(2):233-237,5.基金项目
国家自然科学基金重点资助项目(U1733203) （U1733203）
民航局安全能力建设资助项目(TM2018-9-1/3) （TM2018-9-1/3）
大学生创新创业训练计划资助项目(201810624013) （201810624013）
