论文摘要
Using the data of the Lightning Location System（ LLS） over Hubei Province,through the analysis of the distribution characteristics of CG（ Cloud-to-Ground） flash density in 2015,it was found that the layout of the detection station had influence on the spatial distribution of lightning.Grid CG flash density data were used to characterize the spatial distribution of the CG flash,and station distance factor was used to characterize the detection station layout. The result showed that there existed negative correlation between density and factor,significant correlation between the density component and the factor for the lightning current amplitude of 5 to 30 kA,and insignificant correlation between >30 kA of density component and factor. So it is necessary to revise the density to eliminate the influence of the station layout. On the basis of the linear regression method and its residual theory,the revision model of the grid CG flash density and the statistical model of relative detection efficiency were established. The result consistency of segment and non-segmented revision of the density was verified. Through the contrastive analysis of theoretical detection efficiency and relative detection efficiency,the feasibility for revision method of CG flash density and the statistical method of relative detection efficiency was also verified.
论文目录
文章来源
类型: 期刊论文
作者: Peng Guoping
来源: Meteorological and Environmental Research 2019年02期
年度: 2019
分类: 基础科学
专业: 气象学
单位: Huangshi Meteorological Service Center of Hubei Province
分类号: P412;P427.3
DOI: 10.19547/j.issn2152-3940.2019.02.014
页码: 69-72+77
总页数: 5
文件大小: 1085K
下载量: 9
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