时序干涉SAR技术在变电站地表沉降反演中的应用  

Application of time series interferometric SAR technology in inversion of substation surface subsidence

作　　者：刘江龙 何金铭 闫鑫 韩高飞 LIU Jianglong;HE Jinming;YAN Xin;HAN Gaofei(Inner Mongolia Electric Power Survey and Design Institute Co.,Ltd.,Hohhot 010020,China;Moon Bristar(Beijing)Technology Co.,Ltd.,Beijing 100089,China;Inner Mongolia EHV Power Supply Company,Hohhot 010080,China)

机构地区：[1]内蒙古电力勘测设计院有限责任公司,内蒙古呼和浩特010020 [2]月明星(北京)科技有限公司,北京100089 [3]内蒙古超高压供电公司,内蒙古呼和浩特010080

出　　处：《经纬天地》2023年第3期52-55,共4页Survey World

摘　　要：新型电力系统对电网设施的安全监测提出了更多维度的要求,针对电网的安全监测体系中地表历史沉降问题,提出了基于时间序列干涉合成孔径雷达(SAR)技术对超高压变电站地表沉降历史反演进行运用研究,用于已建电网设施的安全评价和治理。采用高时间分辨率和高地面分辨率相结合的方式进行历史存档时间序列数据收集、处理和验证分析,得出了时序干涉SAR技术在长时间历史沉降趋势变化监测中的优点和适应性,并客观地提出运用层面存在的问题。The new power system requires more dimensions for the safety monitoring of power grid facilities.Aiming at the problem of historical surface subsidence in the safety monitoring system on the power grid side,the application research of historical surface subsidence inversion of EHV substation based on time series interferometric synthetic aperture radar(SAR)technology is proposed for the safety evaluation and governance of the built power grid facilities.The combination of high time resolution and high ground resolution is used to collect,process and verify the historical archive time series data,and the advantages and adaptability of time series interferometric SAR technology in monitoring the long-term historical settlement trend change are obtained,and the problems existed in the application level are objectively put forward.

关 键 词：时序干涉SAR 超高压变电站地表沉降 数据处理 地表沉降历史反演 

分 类 号：TP79[自动化与计算机技术—检测技术与自动化装置]