星载一发双收模式InSAR成像技术  

The InSAR Imaging Technology of Space -Borne in Bistatic Mode

作　　者：楼良盛[1,2] 李威[3] 刘志铭[1,2] 

机构地区：[1]地理信息工程国家重点实验室,陕西西安710054 [2]西安测绘研究所,陕西西安710054 [3]上海卫星工程研究所,上海200240

出　　处：《测绘科学与工程》2013年第4期37-40,共4页Geomatics Science and Engineering

摘　　要：SAR成像技术已很成熟，随着InSAR技术的广泛应用，InSAR成像技术越来越受到重视，它对保相位性提出了较高要求，但我国InSAR成像技术目前还处于起始阶段。本文在介绍SAR成像的基础上，针对卫星编队方式，雷达采用一发双收模式，所带来的基线去相干和辅雷达接收信号的历程不是雷达天线到地面目标点距离的2倍这一问题，阐述了InSAR成像技术。With the maturity of SAR imaging technology and the wide application of InSAR technology, the InSAR imaging technology has drawn more and more attention, and it makes greater demand on the phase preserving capability. The study on this technology is still in its beginning stages in China. Based on SAR imaging introduction, this paper elaborates the InSAR imaging technology, aiming at solving the problem that the distance between the baseline decorrelation and the auxiliary radar receiver sig- nal is not twice longer than the distance between the radar antenna and the ground target point when the radar uses bistatic mode in satellite formation.

关 键 词：一发双收模式 卫星编队 成像技术 干涉合成孔径雷达 

分 类 号：P231[天文地球—摄影测量与遥感]