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. DOI: 10.1109/LGRS.2013.2279236. ISSN 1545-598X.
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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.
|Title:||Polarimetric 3-D Reconstruction from Multi-Circular SAR at P-Band|
|Journal or Publication Title:||IEEE Geoscience and Remote Sensing Letters|
|In Open Access:||No|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 803-807|
|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|
|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:||23 Jan 2015 10:06|
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