Results 11 to 20 of about 105 (79)

A Novel Downward‐Looking Linear Array SAR Imaging Method Based on Multiple Measurement Vector Model with L2,1‐Norm

open access: yesJournal of Sensors, Volume 2021, Issue 1, 2021., 2021
Downward‐looking linear array synthetic aperture radar (DLLA SAR) is a kind of three‐dimensional (3‐D) radar imaging system. To obtain the superresolution along the crosstrack direction of DLLA SAR, the sparse regularization models with single measurement vector (SMV) have been widely applied. However, the robustness of the sparse regularization models
Le Kang   +5 more
wiley   +1 more source

TomoSAR Mapping of 3D Forest Structure: Contributions of L-Band Configurations

open access: yesRemote Sensing, 2021
Synthetic Aperture Radar (SAR) measurements are unique for mapping forest 3D structure and its changes in time. Tomographic SAR (TomoSAR) configurations exploit this potential by reconstructing the 3D radar reflectivity.
Matteo Pardini   +2 more
doaj   +1 more source

UAVSAR Tomography for Vertical Profile Generation of Tropical Forest of Mondah National Park, Gabon

open access: yesEarth and Space Science, Volume 7, Issue 10, October 2020., 2020
Abstract Polarimetric synthetic‐aperture radar (SAR) remote sensing has been widely used for structural and biophysical parameters retrieval of forest vegetation. It has been found that the combination of polarimetric properties and interferometric characteristics of SAR remote sensing provides the capacity to retrieve forest height.
Udit Asopa, Shashi Kumar
wiley   +1 more source

A Geometry Constrained Moving Least Squares-based High-precision 3D Reconstruction Method of Mountains from TomoSAR Point Clouds

open access: yesLeida xuebao, 2022
Tomographic Synthetic Aperture Radar (TomoSAR) is an advanced technology for three-dimensional (3D) mountain reconstruction. However, the TomoSAR mountain point clouds have a significant location error in the elevation direction, making high-precision 3D
Xiaowan LI   +7 more
doaj   +1 more source

Elevation Resolution Enhancement Method Using Non-Ideal Linear Motion Error of Airborne Array TomoSAR

open access: yesRemote Sensing, 2022
Airborne array tomographic synthetic aperture radar (TomoSAR) is a major breakthrough, which can obtain three-dimensional (3D) information of layover scenes in a single pass. As a high-resolution SAR, airborne array TomoSAR has considerable potential for
Ling Yang   +6 more
doaj   +1 more source

URBAN 3D RECONSTRUCTION OF VHR SAR IMAGES USING ITERATIVE OPTIMIZATION ALGORITHM AND LAYOVER FIXED-ORDER MODEL [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023
Synthetic Aperture Radar (SAR) Tomography (TomoSAR) is a three-dimensional SAR imaging technique that uses multiple passes to process complex SAR images and obtain three-dimensional spatial scattering information to derive the elevation scattering ...
C. H. Zhang, L. Pang, D. Y. Liu
doaj   +1 more source

TerraSAR‐X StripMap Data Interpretation of Complex Urban Scenarios with 3D SAR Tomography

open access: yesJournal of Sensors, Volume 2014, Issue 1, 2014., 2014
The severe layover problem of complex urban scenarios in SAR data makes SAR data interpretation very difficult, especially for nonexperts. In this paper, we use 3D SAR tomography for SAR data interpretation of dense urban areas. An efficient and robust approach named Butterworth‐filter based singular value decomposition (BSVD) is used for tomographic ...
Lianhuan Wei   +4 more
wiley   +1 more source

Exploiting SAR Tomography for Supervised Land-Cover Classification

open access: yesRemote Sensing, 2018
In this paper, we provide the first in-depth evaluation of exploiting Tomographic Synthetic Aperture Radar (TomoSAR) for the task of supervised land-cover classification.
Olivier D’Hondt   +3 more
doaj   +1 more source

Evaluation of P-Band SAR Tomography for Mapping Tropical Forest Vertical Backscatter and Tree Height

open access: yesRemote Sensing, 2021
Low-frequency tomographic synthetic aperture radar (TomoSAR) techniques provide an opportunity for quantifying the dynamics of dense tropical forest vertical structures.
Naveen Ramachandran   +4 more
doaj   +1 more source

Extended D-TomoSAR Displacement Monitoring for Nanjing (China) City Built Structure Using High-Resolution TerraSAR/TanDEM-X and Cosmo SkyMed SAR Data

open access: yesRemote Sensing, 2019
The availability of high-resolution spaceborne synthetic aperture radar (SAR) data coupled with the ongoing refinement of tomographic SAR (TomoSAR) technology has made use of radar data feasible for preventive monitoring and assessment of built ...
Fulong Chen   +3 more
doaj   +1 more source

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