Results 31 to 40 of about 1,735,399 (176)

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

Leida 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

MATHEMATICAL AND PHYSICAL APPROACHES TO INFER ABSOLUTE ZENITH WET DELAYS FROM DOUBLE DIFFERENTIAL INTERFEROMETRIC OBSERVATIONS USING ERA5 ATMOSPHERIC REANALYSIS [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023
Atmospheric water vapor (WV) is one of the driving constituents of the atmosphere. The modelling and forecasting of WV and derived quantities like precipitable water is reliable on regional scales but challenging on small scales because of its high ...
B. Kamm, A. Schenk, P. Yuan, S. Hinz
doaj   +1 more source

Vertical Resolution Enhancement by Applying Polarimetric Spectral Analysis Techniques to Multibaseline InSAR Data [PDF]

, 2012
Polarimetric spectral analysis techniques have been recently introduced for processing multibaseline interferometric synthetic aperture radar data that are affected by the speckle phenomenon.
Kostas Papathanassiou, Papathanassiou, Kostas, Stefan Sauer, Sauer, Stefan   +3 more
core   +1 more source

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

Leida 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, Li Fang-fang, Hu Dong-hui, Ding Chi-biao   +3 more
doaj   +1 more source

A Concept for High Performance Reflector-Based Synthetic Aperture Radar [PDF]

, 2010
The success of current spaceborne Synthetic Aperture Radar (SAR) is boosting the performance requirement of next generation systems. In order to cope with the evolution of SAR, the design of the new systems will need to meet higher requirements for ...
Patyuchenko, Anton, Huber, Sigurd, Anton Patyuchenko, Alberto Moreira, Moreira, Alberto, Younis, Marwan, Krieger, Gerhard, Sigurd Huber, Marwan Younis, Gerhard Krieger   +9 more
core   +1 more source

A Framework for Correcting Ionospheric Artifacts and Atmospheric Effects to Generate High Accuracy InSAR DEM

Remote Sensing, 2020
Repeat-pass interferometric synthetic aperture radar is a well-established technology for generating digital elevation models (DEMs). However, the interferogram usually has ionospheric and atmospheric effects, which reduces the DEM accuracy.
Zhiwei Liu, Cui Zhou, Haiqiang Fu, Jianjun Zhu, Tingying Zuo   +4 more
doaj   +1 more source

Monitoring of Land-Surface Deformation in the Karamay Oilfield, Xinjiang, China, Using SAR Interferometry

Applied Sciences, 2017
Synthetic Aperture Radar (SAR) interferometry is a technique that provides high-resolution measurements of the ground displacement associated with various geophysical processes.
Yusupujiang Aimaiti, Fumio Yamazaki, Wen Liu, Alimujiang Kasimu   +3 more
doaj   +1 more source

Non-uniform phase filter for Tiangong-2 Interferometric Imaging Radar Altimeter

The Journal of Engineering, 2019
The interferometric imaging radar altimeter (InIRA) on-board Chinese Tiangong-2 space laboratory is a Ku-band interferometric radar whose major aim is to measure the wide-swath ocean topography. Unlike traditional interferometric synthetic aperture radar
Xiao Dong, Yunhua Zhang, Yunhua Zhang
doaj   +1 more source

InSAR terrain mapping error sources based on satellite interferometry

Open Physics, 2022
To improve the accuracy of interferometric synthetic aperture radar (InSAR) topographic mapping, an error source analysis method of InSAR topographic mapping based on satellite interferometry is proposed.
Li Genger
doaj   +1 more source

Fusion of SAR Interferometry and Polarimetry Methods for Landslide Reactivation Study, the Bureya River (Russia) Event Case Study

Remote Sensing, 2021
In this paper, we demonstrate the estimation capabilities of landslide reactivation based on various SAR (Synthetic Aperture Radar) methods: Cloude-Pottier decomposition of Sentinel-1 dual polarimetry data, MT-InSAR (Multi-temporal Interferometric ...
Valery Bondur, Tumen Chimitdorzhiev, Aleksey Dmitriev, Pavel Dagurov   +3 more
doaj   +1 more source