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Analysis on the Effects of SAR Imaging Parameters and Environmental Conditions on the Standard Deviation of the Co-Polarized Phase Difference Measured over Sea Surface

Buono, Andrea and de Macedo, Carina Regina and Nunziata, Ferdinando and Velotto, Domenico and Migliaccio, Maurizio (2019) Analysis on the Effects of SAR Imaging Parameters and Environmental Conditions on the Standard Deviation of the Co-Polarized Phase Difference Measured over Sea Surface. Remote Sensing, 11 (1), pp. 1-15. Multidisciplinary Digital Publishing Institute (MDPI). DOI: 10.3390/rs11010018 ISSN 2072-4292

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Official URL: https://doi.org/10.3390/rs11010018

Abstract

This study aimed at analyzing the effect of Synthetic Aperture Radar (SAR) imaging parameters and environmental conditions on the standard deviation of the co-polarized phase difference ( σφC ) evaluated over sea surface. The latter was shown to be an important polarimetric parameter widely used for sea surface target monitoring purposes. A theoretical model, based on the tilted-Bragg scattering, is proposed to predict the behavior of σφC against incidence angle for different roughness conditions. Then, a comprehensive experimental analysis, based on the processing of L-, C- and X-band polarimetric SAR scenes collected over different test areas under low-to-moderate wind conditions and covering a broad range of incidence angle, was carried out to discuss the effects of sensor’s and environmental parameters on sea surface σφC . Results show that SAR imaging parameters severely affect σφC , while the impact of meteo-marine conditions, under low-to-moderate wind regime, is almost negligible. Those outcomes have significant relevance to support the design of effective and robust algorithms for marine and maritime applications based on σφC , including the detection of metallic targets (ships and offshore infrastructures as oil/gas platforms, aquacultures, wind farms, etc.) and polluted areas.

Item URL in elib:https://elib.dlr.de/126240/
Document Type:Article
Additional Information:http://creativecommons.org/licenses/by/4.0/
Title:Analysis on the Effects of SAR Imaging Parameters and Environmental Conditions on the Standard Deviation of the Co-Polarized Phase Difference Measured over Sea Surface
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Buono, AndreaUniversità di Napoli Parthenope, Dipartimento di Ingegneria, 80143 Napoli, ItalyUNSPECIFIED
de Macedo, Carina ReginaUniversità di Napoli Parthenope, Dipartimento di Ingegneria, 80143 Napoli, ItalyUNSPECIFIED
Nunziata, FerdinandoUniversità di Napoli Parthenope, Dipartimento di Ingegneria, 80143 Napoli, ItalyUNSPECIFIED
Velotto, DomenicoDomenico.Velotto (at) dlr.dehttps://orcid.org/0000-0002-8592-0652
Migliaccio, MaurizioUniversità di Napoli Parthenope, Dipartimento di Ingegneria, 80143 Napoli, ItalyUNSPECIFIED
Date:January 2019
Journal or Publication Title:Remote Sensing
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:No
Volume:11
DOI :10.3390/rs11010018
Page Range:pp. 1-15
Publisher:Multidisciplinary Digital Publishing Institute (MDPI)
Series Name:Special Issue: Sea Surface Roughness Observed by High Resolution Radar
ISSN:2072-4292
Status:Published
Keywords:oceans, Synthetic Aperture Radar, SAR, polarimetry, co-polarized phase difference
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 - SAR-Methodology
Location: Bremen , Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute
Deposited By: Kaps, Ruth
Deposited On:13 Mar 2019 12:43
Last Modified:21 Sep 2019 05:06

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