利用RADARSAT-2雷达卫星干涉数据监测输电通道地表形变应用研究  

Research on Application of RADARSAT-2 Radar Satellite Interferometric Data to Monitor Surface Deformation of Transmission Channel

作　　者：李宏伟 谭衢霖[1,2] 谢酬[3] 田帮森 费香泽 赵斌滨[4] LI Hongwei;TAN Qulin;XIE Chou;TIAN Bangsen;FEI Xiangze;ZHAO Binbin(School of Civil Engineering,Beijng Jiaotong University,Beijing 100044,China;Institute of Spatial Information for Line Engineering,Beijing Jiaotong University,Beijing 100044,China;Aerospace Information Research Institute,Chinese Academy of Sciences,Beijing 100094,China;China Electric Power Research Institute,Beijing 100055,China)

机构地区：[1]北京交通大学土木建筑工程学院,北京100044 [2]北京交通大学线路工程空间信息研究所,北京100044 [3]中国科学院空天信息创新研究院,北京100094 [4]中国电力科学研究院,北京100055

出　　处：《测绘与空间地理信息》2021年第10期63-66,70,共5页Geomatics & Spatial Information Technology

基　　金：国家重点研发计划(2016YFB0502504);国家自然科学基金项目(41571328,41001276,41431174,U1303285,61471358)资助。

摘　　要：利用2018年3月18日—2018年9月26日获取的9景5 m分辨率的RADARSAT-2数据,采用小基线集差分干涉测量技术(SBAS-InSAR)对甘肃省平凉市某输电通道进行了地表形变监测研究。结果表明,在甘肃省平凉市某输电通道发现有多处明显的地表形变现象,监测期间累积形变量最大可达7.8 cm,距离最近杆塔约430 m。现场调查与差分干涉测量结果一致,表明利用RADARSAT-2雷达卫星干涉数据监测输电通道地表形变是有效的,在广域地质灾害监测方面具有广阔的应用前景。Using 9 RADARSAT-2 data acquired from March 18,2018 to September 26,2018 with a resolution of 5 m meters,a small baseline set differential interferometry(SBAS-InSAR)was used to carry out a transmission channel in Pingliang City,Gansu Province.A study on monitoring of surface deformation.The results show that there are many obvious surface deformation phenomena in a transmission channel in Pingliang City,Gansu Province.The cumulative deformation during the monitoring period can reach a maximum of 7.8 cm,which is about 430 m from the nearest pole tower.The on-site investigation is consistent with the results of differential interferometric measurements,indicating that the use of RADARSAT-2 radar interferometric data to monitor the surface deformation of transmission channels is effective and has broad application prospects in wide-area geological disaster monitoring.

关 键 词：RADARSAT-2 小基线集 输电通道 地表形变 

分 类 号：P228[天文地球—大地测量学与测量工程]