基于GDOP的安徽省闪电定位网探测精度分析  

Analysis on detection accuracy of lightning location network in Anhui based on GDOP

作　　者：张广元 董德保[1] 宋佳军[2] 朱亚宗[1] 周先锋 Zhang Guangyuan;Dong Debao;Song Jiajun;Zhu Yazong;Zhou Xianfeng(Anhui Meteorological Observation Technical Support Center,Hefei 230061;Institute of Electrical Engineering,Chinese Academy of Sciences,Beijing 100190)

机构地区：[1]安徽省大气探测技术保障中心,合肥230061 [2]中国科学院电工研究所,北京100190

出　　处：《气象水文海洋仪器》2022年第1期36-40,共5页Meteorological,Hydrological and Marine Instruments

基　　金：科技部国家重点研发计划第4子课题(2018YFC1506104)资助.

摘　　要：文章基于Matlab软件,建立闪电定位算法和评估因子数学模型,并开发专门的评估软件;通过对比不同仿真条件下GDOP参数的分布,文章探讨了站点的几何关系、中心站位置、基线距离等因素对闪电定位网探测精度的影响,总结出三维闪电定位网组网原则,完成全省三维闪电定位网方案设计。Based on Matlab software,a mathematical model of lightning location algorithm and evaluation factor is established,and a special evaluation software is developed.By comparing the distribution of GDOP parameters under different simulation conditions,the influence of site geometry,center station location and baseline distance on the detection accuracy of lightning location network is discussed.The networking principle of 3D lightning location network is summarized and the scheme design of 3D lightning location network in the whole province is completed.

关 键 词：闪电定位 GDOP 精度分析 MATLAB 三维组网 

分 类 号：P411[天文地球—大气科学及气象学]