Results 41 to 50 of about 12,493 (263)

Slow Deformation Time-Series Monitoring for Urban Areas Based on the AWHPSPO Algorithm and TELM: A Case Study of Changsha, China

open access: yesRemote Sensing, 2023
Health monitoring is important for densely distributed urban infrastructures, particularly in cities undergoing rapid economic progress. Permanent scatterer interferometry (PSI) is an advanced remote sensing observation technique that is commonly used in
Xuemin Xing   +4 more
doaj   +1 more source

Forest mapping and monitoring with interferometric synthetic aperture radar (InSAR) [PDF]

open access: yesProgress in Physical Geography, 2001
A synthetic aperture radar (SAR) is an active sensor transmitting pulses of polarized electromagnetic waves and receiving the backscattered radiation. SAR sensors at different wavelengths and with different polarimetric capabilities are being used in remote sensing of the earth.
openaire   +2 more sources

Minimizing the residual topography effect on interferograms to improve DInSAR results: estimating land subsidence in Port-Said City, Egypt [PDF]

open access: yes, 2017
The accurate detection of land subsidence rates in urban areas is important to identify damage-prone areas and provide decision-makers with useful information.
Darwish, Noura   +2 more
core   +2 more sources

Improvement of the Accuracy of InSAR Image Co-Registration Based On Tie Points – A Review

open access: yesSensors, 2009
Interferometric Synthetic Aperture Radar (InSAR) is a new measurement technology, making use of the phase information contained in the Synthetic Aperture Radar (SAR) images.
Xiaoli Ding   +3 more
doaj   +1 more source

Unrest at Domuyo Volcano, Argentina, detected by geophysical and geodetic data and morphometric analysis [PDF]

open access: yes, 2019
New volcanic unrest has been detected in the Domuyo Volcanic Center (DVC), to the east of the Andes Southern Volcanic Zone in Argentina. To better understand this activity, we investigated new seismic monitoring data, gravimetric and magnetic campaign ...
Acosta, Gemma   +6 more
core   +1 more source

A SHORT REVIEW ON PERSISTENT SCATTERER INTERFEROMETRY TECHNIQUES FOR SURFACE DEFORMATION MONITORING [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
Technology advancement has urged the development of Interferometric Synthetic Aperture Radar (InSAR) to be upgraded and transformed. The main contribution of the InSAR technique is that the surface deformation changes measurements can achieve up to ...
A. M. H. Ansar   +4 more
doaj   +1 more source

An accurate method to correct atmospheric phase delay for InSAR with the ERA5 global atmospheric model [PDF]

open access: yes, 2019
Differential SAR Interferometry (DInSAR) has proven its unprecedented ability and merits of monitoring ground deformation on a large scale with centimeter to millimeter accuracy.
Hu, Zhongbo   +1 more
core   +2 more sources

Performance Analysis of Flat Surface Assumption and Residual Motion Errors on Airborne Repeat-pass InSAR

open access: yesLeida xuebao, 2013
When applying to the airborne repeat-pass Interferometric Synthetic Aperture Radar (InSAR), which has long synthetic aperture and large azimuth-dependent errors, the surface assumption used to simply the time-domain algorithm model and the residual ...
Lin Xue   +3 more
doaj   +1 more source

Model-based CP Selection Method for Calibration of Airborne InSAR with Sparse GCPs

open access: yesLeida xuebao, 2012
High-precision height acquisition needs to correct the interferometric parameters errors by interferometric calibration for Interferometric Synthetic Aperture Radar (InSAR) system with many Ground Control Points (GCPs).
Hu Ji-wei, Hong Jun, Ming Feng, Li Liang
doaj   +1 more source

A systematic study of earthquake detectability using Sentinel-1 Interferometric Wide-Swath data [PDF]

open access: yes, 2017
The Sentinel-1 mission comprises two synthetic aperture radar satellites, each with a 12 day orbital repeat, orbiting 6 days apart within a narrow tube.
Funning, Gareth J, Garcia, Astrid
core   +2 more sources

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