物理学报Issue(15)：1-8,8.DOI:10.7498/aps.63.154204
米散射激光雷达剖面数据三次样条垂直水平插值法*
A metho d of vertical and horizontal plus cubic spline interp olation for Mie scattering lidar profile data
摘要
Abstract
Since the traditional spatial data interpolation method has its limits in describing the RHI (range-height indicator) graph for Mie scattering lidar scanning profile, it cannot be applied to the visualization of Mie scattering lidar space-time scan data, and it is also difficult to achieve the continuity in atmospheric parameters evolution process. This paper analyzes the space-position relations in lidar scanning profile data based on the scanning elevation and spatial distribution characteristics of the atmospheric parameters, chooses the reference data rationally of vertical and horizontal positions, and gives the position relevant weight. The smoothness of data is revised by a cubic spline function and the missing data are replenished by interpolation finally. Results show that this method can improve effectively the accuracy of atmospheric lidar scanning data space interpolation, produce few errors;and the RHI graph becomes smooth, thus it conforms to the overall change rule of atmospheric parameters.关键词
激光雷达数据/数据插值/三次样条/数据修正Key words
lidar data/data interpolation/cubic spline function/data revision引用本文复制引用
陈浩,华灯鑫,张毅坤,朱承炫..米散射激光雷达剖面数据三次样条垂直水平插值法*[J].物理学报,2014,(15):1-8,8.基金项目
国家自然科学基金科学仪器基础研究专项(批准号:41027004)和国家自然科学基金(批准号:61275185)资助的课题 （批准号:41027004）
