红外与毫米波学报, 2018, 37 (4): 468, 网络出版: 2019-01-10   

基于短距相干测风激光雷达的机场低空风切变观测

Airport low-level wind shear observation based on short-range CDL
作者单位
1 中国海洋大学 信息科学与工程学院 海洋遥感研究所, 山东 青岛 266100
2 青岛海洋科学与技术国家实验室 区域海洋动力学与数值模拟功能实验室, 山东 青岛 266237
3 青岛镭测创芯科技有限公司, 山东 青岛 266000
摘要
介绍了低空风切变及其预警的研究工作、相干多普勒测风激光雷达反演风场算法以及计算下滑道逆风廓线算法.进一步分析了2015年冬季和2016年春季北京首都机场低空风切变观测实验中所观测到的风切变案例, 利用多种测量模式开展案例中风切变的监测, 并对风切变观测结果进行了验证.实验结果表明, 短距相干多普勒测风激光雷达多种测量模式均可能有效探测低空风切变.
Abstract
In this paper, the disastrous influence to the landing aircraft of low-level wind shear and present study to the low-level wind shear field observation have been explained briefly and the method of retrieving headwind profiles from step wise PPI scans in detail. The data with multi-mode analyzed in this paper are based on short range CDL configured at BCIA (Beijing Capital International Airport) from December 2015 to March 2016. The reliability of algorithms have been proved by wind shear reports from the crew and the airport terminal control office. CDL has been proved to be an effective tool to capture the low-level wind shear events under clear conditions.
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张洪玮, 吴松华, 尹嘉萍, 王琪超. 基于短距相干测风激光雷达的机场低空风切变观测[J]. 红外与毫米波学报, 2018, 37(4): 468. ZHANG Hong-Wei, WU Song-Hua, YIN Jia-Ping, WANG Qi-Chao. Airport low-level wind shear observation based on short-range CDL[J]. Journal of Infrared and Millimeter Waves, 2018, 37(4): 468.

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