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Polarimetric 3-D Reconstruction from Multi-Circular SAR at P-Band

Ponce, Octavio and Prats-Iraola, Pau and Scheiber, Rolf and Reigber, Andreas and Moreira, Alberto and Aguilera, Esteban (2014) Polarimetric 3-D Reconstruction from Multi-Circular SAR at P-Band. IEEE Geoscience and Remote Sensing Letters, 11 (4), pp. 803-807. IEEE - Institute of Electrical and Electronics Engineers. DOI: 10.1109/LGRS.2013.2279236 ISSN 1545-598X

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Official URL: http://ieeexplore.ieee.org

Abstract

Multi-circular SAR (MCSAR) is an extension of circular SAR (CSAR) characterized by the formation of a synthetic aperture in elevation with several circular flights. This imaging mode allows an improved resolution in the plane perpendicular to the line of sight (LOS_), thus, suppressing the 3-D coneshaped sidelobes that are formed when focusing with CSAR. This work presents the first polarimetric MCSAR airborne experiment acquired at P-band by DLR’s F-SAR system over a forested area in Vordemwald, Switzerland. This letter also includes a phase calibration method based on the singular value decomposition (SVD) using ground signatures to estimate constant phase offsets within a stack of 2-D images. Focusing methods, such as fast factorized back projection (FFBP), beamforming (BF) and compressive sensing (CS), described in previous publications are used to solve the complex eflectivity in the (x, y, z) space.

Item URL in elib:https://elib.dlr.de/78086/
Document Type:Article
Title:Polarimetric 3-D Reconstruction from Multi-Circular SAR at P-Band
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Ponce, OctavioUNSPECIFIEDUNSPECIFIED
Prats-Iraola, PauUNSPECIFIEDUNSPECIFIED
Scheiber, RolfUNSPECIFIEDUNSPECIFIED
Reigber, AndreasUNSPECIFIEDUNSPECIFIED
Moreira, AlbertoUNSPECIFIEDUNSPECIFIED
Aguilera, EstebanUNSPECIFIEDUNSPECIFIED
Date:April 2014
Journal or Publication Title:IEEE Geoscience and Remote Sensing Letters
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:11
DOI :10.1109/LGRS.2013.2279236
Page Range:pp. 803-807
Publisher:IEEE - Institute of Electrical and Electronics Engineers
ISSN:1545-598X
Status:Published
Keywords:Circular synthetic aperture radar (CSAR), compressive sensing (CS), tomography, phase calibration, polarimetric synthetic aperture radar (PolSAR), singular value decomposition (SVD)
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Flugzeug-SAR
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Microwaves and Radar Institute > SAR Technology
Deposited By: Ponce Madrigal, Octavio
Deposited On:07 Nov 2012 12:52
Last Modified:08 Mar 2018 18:30

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