机载SAR遥感测图技术及应用

Mapping technology and application of airborne SAR

合成孔径雷达(SAR)遥感不同于光学遥感的特点使得其在特定场合的应用有着独特的优势和应用潜力。该文系统介绍了中国测绘科学研究院近10年来在雷达测图数据获取、处理系统建设和雷达测图关键技术研究等方面的代表性成果,包括机载多波段多极化SAR测图系统、X波段双天线极化干涉SAR系统、微小型全极化MiniSAR系统等。针对机载SAR硬件系统的集成和测图软件系统开发中的难点问题和关键技术问题以及创新成果进行了重点阐述,对成果的主要应用进行了简要介绍。该文是对SAR测图课题组多年来研究成果的一个系统总结,也是对SAR遥感测图技术今后的研发重点的展望。

Synthetic aperture radar(SAR)has unique advantages and potential applications in specific occasions and it is different from optical remote sensing.This paper systematically introduced the representative achievements of the Chinese Academy of Surveying Mapping in key technologies research of radar mapping data acquisition,processing system construction and radar mapping in the past 10 years,which including airborne interferometric SAR mapping system with multi-band and multi-polarization,Xband dual-antenna polarization interferometric SAR system,polarimetric MiniSAR,etc.Aiming at the integration of airborne SAR hardware systems and mapping difficulties,key technical issues and innovations of mapping software systems had been described in detail,following of which the main applications were briefly introduced.This paper was a general summary of research production of SAR mapping research group over the years,and the future research emphasis of SAR remote sensing mapping technology was also prospected.