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The Permanent Scatterer Interferometry (PSI) technique is usually applied for surface deformation mapping at local area from 1 up to a maximum of 100 km2. Although the ability to provide deformation map of regional area exceeding 10,000 km2, the processed area of interest is mostly limited to SAR acquisitions in a single satellite track and frame. In this work we present the study of merging multi-track...
In this work we presented the first experimental results of land subsidence mapping for large areas by using Coherent Point Target SAR interferometry with a reduced set of images in the North China Plain (NCP). Since the limitations of the classical Permanent Scatterer InSAR (PSI) for short temporal span surface deformation monitoring due to the dependency on large volumes data availability, we combine...
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