利用DEM数据设计机载SAR自适应航线  

DEM-based adaptive flight line planning for airborne SAR

作　　者：赵海涛[1,2] 张兵[1] 黎东[1] 左正立[1] 回玉辉[3] 

机构地区：[1]中国科学院对地观测与数字地球科学中心,北京100094 [2]中国科学院研究生院,北京100049 [3]中国科学院遥感应用研究所,北京100012

出　　处：《测绘科学》2014年第6期121-125,共5页Science of Surveying and Mapping

基　　金：中国科学院对地观测与数字地球科学中心主任基金资助项目(YIZZ10101B)

摘　　要：航线设计是航空遥感的一个关键工序,航线设计的优劣预先决定了航空遥感外业的工作量和数据覆盖质量。本文提出了基于DEM的机载SAR自适应航线设计概念,推导了其等效中心投影成像几何公式,介绍了自适应航线设计的算法及流程,并编写软件实现了SAR自适应航线设计,最后通过泰山试验区验证了该航线设计算法的有效性。Flight line planning is a key procedure of airborne remote sensing. Field workload and data quality of airborne remote sensing are always pre-determined by the flight line planning. This paper proposed a concept of adaptive flight line planning for airborne SAR （Synthetic Aperture Radar） based on DEM （Digital Elevation Model） data. Following the concept, the equivalent central projection imaging geometry formulas were deduced and the flight line planning algorithms and procedures were carried out. Further, a software program was developed to implement the concept. Finally, the effectiveness of the proposed algorithm was validated in the Mount Tai testing field.

关 键 词：机载SAR 自适应 航线设计 数字高程模型 

分 类 号：P231.2[天文地球—摄影测量与遥感]