搜索结果: 1-14 共查到“工学 DINSAR”相关记录14条 . 查询时间(0.079 秒)
DEFORMATION MONITORING IN AND AROUND THE NATIONAL CAPITAL REGION OF INDIA USING DINSAR TECHNIQUE
Sentinel-1 DInSAR Deformation NCR, Vasundra
2019/2/27
Urbanization increases the pressure on land and ground water. Due to pressure on land and over extraction of the ground water for modernization and development, deformation of land increase. The tradi...
STABILITY ANALYSIS OF RAILWAY SUBGRADE IN MINING AREA BASED ON DINSAR
Stability analysis Mining subsidence Railway subgrade DInSAR Sentinel-1A data
2018/5/16
DInSAR technology have been applied to monitor the mining subsidence and the stability of the railway subgrade. A total of 10 Sentinel-1A images acquired from 2015/9/26 to 2016/2/23 were used in DInSA...
Application of DInSAR and GIS for Underground Mine Subsidence Monitoring
DInSAR GIS Mine subsidence ERS Envisat Tangshan
2015/11/20
This research used both ERS and Envisat images to investigate the feasibility of differential radar interferometry (DInSAR) for mine subsidence monitoring in Tang Shan, Hebei Province, China. DInSAR r...
Surface Deformation Investigated With SBAS-DINSAR Approach Based on Prior Knowledge
Satellite remote sensing SAR Interferometric SAR (InSAR) Deformation analysis Hazard mapping Surface deformations
2015/11/20
Although Differential Synthetic Aperture Radar Interferometry (DInSAR) has been successfully used for deformation mapping, it is easily suffered from both spatial and temporal decorrelation which limi...
PRODUCTS DERIVED FROM AN ADVANCED DINSAR-GIS APPLICATION FOR RISK MANAGEMENT
SAR InSAR DInSAR
2015/8/31
This paper presents an advanced DInSAR-GIS technique developed by the Cartographic Institute of Catalonia (ICC) for the
generation of precise terrain deformation maps using data acquired by satellite...
Enhancing DInSAR capabilities for landslide monitoring by applying GIS-based multicriteria filtering analysis
Landslide monitoring DInSAR GIS multicriteria analysis
2015/5/7
Landslide detection and monitoring remain difficult with conventional differential radar interferometry (DInSAR) because most pixels of radar interferograms around landslides are affected by differe...
A digital elevation model (DEM) is a 3D visualization of a terrain surface. It can be used in various analytical studies such as topographic feature extraction, hydrology, geomorphology and landslides...
Ground deformation monitoring using RADARSAT-2 DInSAR-MSBAS at the Aquistore CO2 storage site in Saskatchewan (Canada)
satellite radar interferometry DInSAR MSBAS ground deformation Aquistore Saskatchewan Canada
2014/12/4
The research objectives of the Aquistore CO2 storage project are to design, adapt, and test non-seismic monitoring methods for measurement, and verification of CO2 storage, and to integrate data to de...
Analysis of deformation patterns through advanced DINSAR techniques in Istanbul megacity
Differential SAR Interferometry Small BAseline Subset TerraSAR-X Deformation Monitoring
2014/9/29
As result of the Turkey’s economic growth and heavy migration processes from rural areas, Istanbul has experienced a high urbanization rate, with severe impacts on the environment in terms of natural ...
本文以开采沉陷基本理论为依据，建立了DInSAR和GPS联合加密观测工作面推进距离模型，得出了工作面推进过程中的两次加密时间，即地表变形点下沉速度的剧增点和剧减点监测时刻，从而提高了DInSAR技术监测地表动态变形的有效性。最后以澳大利亚West Cliff煤矿长壁工作面32开采期间获取的DInSAR和GPS数据进行了实例分析。
GPS-DInSAR集成监测的改进定权方法与仿真实验分析
GPS DInSAR 集成 定权
2012/11/12
分析了集成GPS-DInSAR监测地表三维形变的解析优化法在定权中存在的问题，提出以高精度GPS观测值为约束评价DInSAR测量精度和GPS插值精度、进而对二者定权的方法。模拟实验证明，所提方法能正确确定DInSAR测量值和GPS插值的权，且计算简单。采用改进定权方法的解析优化法能在三维方向取得更佳的集成效果。
GPS-DInSAR集成监测的改进定权方法与仿真实验分析
GPS DInSAR 集成 定权
2012/12/5
分析了集成GPS-DInSAR监测地表三维形变的解析优化法在定权中存在的问题，提出以高精度GPS观测值为约束评价DInSAR测量精度和GPS插值精度、进而对二者定权的方法。模拟实验证明，所提方法能正确确定DInSAR测量值和GPS插值的权，且计算简单。采用改进定权方法的解析优化法能在三维方向取得更佳的集成效果。