نتایج جستجو برای: persistent scatterer interferometry

تعداد نتایج: 107899  

ژورنال: :مهندسی فناوری اطلاعات مکانی 0
زهرا صادقی zahra sadeghi محمدجواد ولدان زوج mohammad javad valadan zoej مریم دهقانی maryam dehghani

تکنیک persistent scatterer interferometry (psi) برای اولین بار بر مبنای انتخاب پیکسل های پراکنش کننده ی دائمی با رفتار پراکنشی ثابت در زمان و با استفاده از مدل جابه جایی از پیش تعیین شده، جهت از بین بردن محدودیت های روش سنتی ارائه شد. این تکنیک در سال 2006 تحت عنوان stamps ، بهبود پیدا کرد به صورتی که بر خلاف تمام الگوریتم های psiارائه شده تا قبل از آن، قابلیت انتخاب پراکنش کننده های دائمی را ب...

ژورنال: علوم آب و خاک 2018

The persistent scattering interferometry (PSI) technique is a valuable tool in displacements' monitoring of earth's surface. The persistent scattering interferometry (PSI) based on persistent scatterrer (PSInSAR) is one of the techniques used to reduce constraints (temporal and spatial incoherency). It is based on persistent scatterer and monitor displacement of only the pixels with timely-cons...

2016
M. Crosetto O. Monserrat A. Barra B. Crippa

This paper is focused on deformation monitoring using a Persistent Scatterer Interferometry technique and the interferometric SAR data acquired by the Sentinel-1 satellite of the European Space Agency. The first part of the paper describes the procedure used to process and analyze Sentinel-1 interferometric SAR data. Two main approaches are described. The first one is a simplified Persistent Sc...

Journal: :ISPRS Journal of Photogrammetry and Remote Sensing 2016

2008
Alex Hay-Man Ng Hsing-Chung Chang Kui Zhang Linlin Ge Chris Rizos

Continued excessive extraction of groundwater may lead to significant land subsidence, which causes economic loss. The aim of this research is to investigate ground subsidence in several Australian capital cities using the Persistent Scatterer Interferometry approach. Such studies may help improve our understanding of the deformation of terrain and built structures, and evaluate the effectivene...

Journal: :The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences 2016

Journal: :Remote Sensing 2023

In many countries globally, information for new buildings is either scarce or incomplete. an effort to bridge this gap approach based on public domain synthetic aperture radar (SAR) satellite data introduced. The method the persistent scatterer interferometry (PSI) technique in order detect newly constructed and estimate their heights a selected case study area Athens, Greece. overall objective...

Journal: :رادار 0
سمانه شکرزاده بهزاد وثوقی معصومه آمیغ پی

in this paper, bam postseismic deformations during 7 years after earthquake have been extracted using persistent scatterer interferometry technique. the time series are inverted for the afterslip distribution on an extension of the coseismic rupture. the estimated postseismic slip value is 20.45±0.38 cm. most of the postseismic displacement field can be explained in terms of fault slip. the res...

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