نتایج جستجو برای: dinsar technique
تعداد نتایج: 611683 فیلتر نتایج به سال:
This work presents an investigation to determine ground deformation based on an integration of DInSAR Time-Series (DTS) and Persistent Scatterer Interferometry (PSI) techniques aiming at detecting high rates of linear and non-linear ground movement. The combined techniques were applied in an open pit iron mine located in Carajás Mineral Province (Brazilian Amazon region), using a set of 33 Terr...
the present study sought to investigate the impact of using mind-mapping technique instruction on female elementary efl learners reading comprehension; it also investigated their attitudes towards using mind-mapping technique as a tool to improve their reading comprehension. this study followed a quasi-experimental design with two intact groups as experimental, and control groups. the participa...
A long-strip differential interferometric synthetic aperture radar (DInSAR) measurement based on multi-frame image mosaicking is currently the realizable approach to measure large-scale ground deformation. As spatial range of mosaicked images increases, nonlinear variation ocean tidal loading (OTL) displacements more significant, and using plane fitting remove errors will produce large displace...
Climate change has resulted in severe landslides Maskun, Iran. This study evaluates and monitors the displacement caused by landslide mass Bam using Interferometry Synthetic Aperture Radar (DInSAR) Persistent Scatterer (PSI) techniques, as well identifies relationships between climatic conditions displacement. Temperature precipitation data from 2007 to 2019 were combined with satellite images ...
Differential Interferometric Synthetic Aperture Radar (DInSAR) has been used for measuring ground deformations with high both spatial and temporal resolutions. The effectiveness of this technique extensively proved using mainly C X band because the availability SAR platforms operating in these frequencies. In vegetated areas, L-band is more adequate their less sensitivity to decorrelation. This...
Land subsidence in the Bandung basin, West Java, Indonesia, is characterized based on differential interferometric synthetic aperture radar (DInSAR) and interferometric point target analysis (IPTA). We generated interferograms from 21 ascending SAR images over the period 1 January 2007 to 3 March 2011. The estimated subsidence history shows that subsidence continuously increased reaching a cumu...
Abstract. Differential Synthetic Aperture Radar Interferometry (DInSAR) allows displacements to be detected with millimeter accuracy as well more advanced methods, such Persistent Scatterer (PSI). Sentinel-1 data have been collected systematically under the COPERNICUS program at a high temporal resolution global coverage, helping us build wide user community and develop miscellaneous SAR-based ...
We demonstrate here a computer code for calculation of time series and also mean and linear deformation rates from a set of coregistered unwrapped differential interferograms using a linear leastsquares inversion technique based on the small baseline subset (SBAS) algorithm. The computer code is written in C and uses a singular value decomposition (SVD) routine from the LAPACK library and the f...
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