摘要
近年发射的1m/3m高分辨率合成孔径雷达(Synthetic Aperture Radar,SAR)卫星为多云多雾地区土地利用动态遥感监测提供了重要数据源。为进一步检测高分辨率SAR卫星的适用性,采用对比分析和统计评价法,对TERRASAR、COSMO SkyMed、RADARSAT-2高分辨率SAR卫星中1m聚束模式和3m条带模式数据新增建设用地监测能力进行综合评价。结果表明,1m聚束模式新增建设用地属性识别准确率可达到80%,3m条带模式识别准确率约75%,基本满足新增建设用地监测精度要求。
High spatial resolution Synthetic Aperture Radar(SAR)satellites (1 m/3 m) have been launched recently which provided more choice to carry out land remote sensing project.In order to evaluate its suitability,there high resolution SAR satellites were selected for evaluation including TERRASAR,COSMO SkyMed and RADARSAT-2.Comparative analysis and statistical evaluation were used.The result showed that TERRASAR,COSMO SkyMed,RADARSAT-2 had similar ability for land use discrimination and land use dynamic change detect.Spotline mode data had relative high accuracy which obtains 80% overall acuracy for land use thematic mapping while stripmap mode data only obtained less than 75% overall accuracy for the same test sites.The result showed that evaluated SAR data can be used in land use dynamic monitor project.
出处
《中国农学通报》
CSCD
北大核心
2011年第8期460-463,共4页
Chinese Agricultural Science Bulletin
基金
国土资源部百名科技人才计划项目(2008)
国家科技支撑计划(2008BAJ11B06)
国家高技术研究发展计划(2007AA12Z181-2)
关键词
遥感
SAR
土地利用
变化监测
remote sensing
SAR
land use
change detection