摘要
星载激光测绘技术的迅猛发展对传统卫星对地观测领域带来了新的突破,高精度对地观测数据有利于提升整体几何精度、高效率数据处理特性有利于实现快速应用,因此激光测绘卫星数据获取、处理和应用成为研究热点。首先介绍了激光测绘卫星原理特点和发展现状,然后以目前在轨激光雷达卫星ICESat-2为例,分析了载荷配置特点、数据处理方法以及在影像联合精确定位、多源地形融合、全球植被测量、浅海水深测绘等多个领域的测绘应用情况,最后就我国下一步发展激光测绘卫星谈一些思考。
The rapid development of laser altimetry satellite has a great impact on the traditional satellite earth observation field.The accurate elevation data can effectively compensate the lack of optical satellites,while laser altimetry satellite data processing and mapping applications are worthy of attention.Firstly,the principle and characteristics of laser altimetry satellite was introduced,and the its development history was presented.Then,the current on-orbit LiDAR satellite ICESat-2 was focued on,which had a high degree of attention.The satellite configuration characteristics and data processing methods were discussed,and its surveying and mapping capabilities in many fields,such as image joint adjustment,multi-source terrain fusion,global vegetation survey,and shallow water bathymetry et al.were analyzed and revealed.Finally,some thoughts about the development and construction of laser altimetry satellite in China were shared.
作者
方勇
曹彬才
高力
胡海彦
江振治
Fang Yong;Cao Bincai;Gao Li;Hu Haiyan;Jiang Zhenzhi(State Key Laboratory of Geo-information Engineering,Xi’an 710054,China;Xi’an Research Institute of Surveying and Mapping,Xi’an 710054,China)
出处
《红外与激光工程》
EI
CSCD
北大核心
2020年第11期11-19,共9页
Infrared and Laser Engineering
基金
航天系统部预研项目(105020101,105020303)。
关键词
激光测绘卫星
ICESat-2
数据处理
测绘应用
laser altimetry satellite
ICESat-2
data processing
surveying and mapping application
作者简介
方勇(1972-),男,研究员,博士,主要从事航空航天遥感精确测绘方面的研究。Email:yong.fang@vip.sina.com;通讯作者:曹彬才(1987-),男,工程师,博士,主要从事航空航天激光雷达方面的研究。Email:cbcontheway@163.com。
