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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 Esteban, Aguilera (2014) Polarimetric 3-D Reconstruction from Multi-Circular SAR at P-Band. IEEE Geoscience and Remote Sensing Letters, 11 (4), pp. 803-807. IEEE. 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.

Document Type:Article
Title:Polarimetric 3-D Reconstruction from Multi-Circular SAR at P-Band
Authors:
AuthorsInstitution or Email of Authors
Ponce, OctavioUNSPECIFIED
Prats-Iraola, PauUNSPECIFIED
Scheiber, RolfUNSPECIFIED
Reigber, AndreasUNSPECIFIED
Moreira, AlbertoUNSPECIFIED
Esteban, AguileraUNSPECIFIED
Date:April 2014
Journal or Publication Title:IEEE Geoscience and Remote Sensing Letters
Refereed publication:Yes
In 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
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 (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Flugzeug-SAR (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Microwaves and Radar Institute > SAR Technology
Deposited By: Octavio Ponce Madrigal
Deposited On:07 Nov 2012 12:52
Last Modified:16 Dec 2013 11:29

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