搜索结果: 1-4 共查到“测绘科学技术 PSInSAR”相关记录4条 . 查询时间(0.125 秒)
MEASURING SURFACE SUBSIDENCE IN WUHAN, CHINA WITH SENTINEL-1 DATA USING PSINSAR
Subsidence Monitoring TOPS PSInSAR Hazards Sentinel SARPROZ
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2018/5/11
We use the potential of Sentinel-1 for urban subsidence monitoring. A case study was conducted in Wuhan using Sentinel-1A images acquired from 22nd June 2015 to the 24th of April 2017 acquired from an...
PSINSAR IMPROVEMENT USING AMPLITUDE DISPERSION INDEX OPTIMIZATION OF DUAL POLARIMETRY DATA
Polarimetric Optimization Persistent Scatterer Candidate PSInSAR Amplitude Dispersion Index
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2016/1/15
Persistent Scatterer Interferometry for SAR data (PSInSAR) improves the ability of conventional InSAR time-series methods by detecting and analysing pixels where the portion of spatiotemporal decorrel...
An Analysis of Surface Subsidence in Chiba Using PSInSAR Technique
PSInSAR Surface subsidence The public master image Interferograms PS points
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2015/7/27
Currently, surface subsidence has become an important problem what we are facing. Because of complex topography, uneven distribution of rainfall, and the fast development of urbanization, many cities ...
基于PSInSAR方法和ASAR数据监测天津地面沉降的试验研究
PSInSAR 地面沉降 定标
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2009/11/23
概述了PSInSAR方法的技术流程，阐述了定标ENVISAT ASAR数据对PS候选点（Persistent Scatterer Cadidate，PSC）筛选
的作用。研究表明：对ENVISAR ASAR 数据进行定标有助于筛选出更多的PS候选点；以定标得到的后向散射系数作为阈值，可以剔
除散射信号统计特性较稳定但散射强度低的像素点，从而避免可能由这些点引入的相位误差。在初步实现PSInSA...