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A Tutorial on Synthetic Aperture Radar

Moreira, Alberto and Prats-Iraola, Pau and Younis, Marwan and Krieger, Gerhard and Hajnsek, Irena and Papathanassiou, Konstantinos (2013) A Tutorial on Synthetic Aperture Radar. IEEE Geoscience and Remote Sensing Magazine (GRSM), 1 (1), pp. 6-43. IEEE - Institute of Electrical and Electronics Engineers. DOI: 10.1109/MGRS.2013.2248301 ISSN 2168-6831

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Abstract

Synthetic Aperture Radar (SAR) has been widely used for Earth remote sensing for more than 30 years. It provides high-resolution, day-and-night and weather-independent images for a multitude of applications ranging from geoscience and climate change research, environmental and Earth system monitoring, 2-D and 3-D mapping, change detection, 4-D mapping (space and time), security-related applications up to planetary exploration. With the advances in radar technology and geo/bio-physical parameter inversion modeling in the 90s, using data from several airborne and spaceborne systems, a paradigm shift occurred from the development driven by the technology push to the user demand pull. Today, more than 15 spaceborne SAR systems are being operated for innumerous applications. This paper provides first a tutorial review about the SAR principles and theory, followed by an overview of established techniques like polarimetry, interferometry and differential interferometry as well as of emerging techniques (e.g., polarimetric SAR interferometry, tomography and holographic tomography). Several application examples including the associated parameter inversion modeling are provided for each case. The paper also describes innovative technologies and concepts like digital beamforming, Multiple-Input Multiple-Output (MIMO) and bi- and multi-static configurations which are suitable means to fulfill the increasing user requirements. The paper concludes with a vision for SAR remote sensing.

Item URL in elib:https://elib.dlr.de/82313/
Document Type:Article
Additional Information:©2013 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Title:A Tutorial on Synthetic Aperture Radar
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Moreira, AlbertoDLR-HR, Karlsruher Institut für Technologie (KIT)UNSPECIFIED
Prats-Iraola, PauDLR-HRUNSPECIFIED
Younis, MarwanDLR-HRUNSPECIFIED
Krieger, GerhardDLR-HRUNSPECIFIED
Hajnsek, IrenaDLR-HR, ETH ZurichUNSPECIFIED
Papathanassiou, KonstantinosDLR-HRUNSPECIFIED
Date:March 2013
Journal or Publication Title:IEEE Geoscience and Remote Sensing Magazine (GRSM)
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:1
DOI :10.1109/MGRS.2013.2248301
Page Range:pp. 6-43
Editors:
EditorsEmail
IEEE, GRSSUNSPECIFIED
Publisher:IEEE - Institute of Electrical and Electronics Engineers
ISSN:2168-6831
Status:Published
Keywords:synthetic aperture radar (SAR), polarimetric SAR, polarimetric SAR interferometry, SAR interferometry, differential SAR interferometry, SAR tomography
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 - Projekt TanDEM-X, R - Projekt TerraSAR-X Missionsbetrieb (old), R - Vorhaben Tandem-L Vorstudien, R - Vorhaben Flugzeug-SAR (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Microwaves and Radar Institute
Microwaves and Radar Institute > SAR Technology
Deposited By: Fischer, Jens
Deposited On:17 May 2013 14:07
Last Modified:06 Sep 2019 15:30

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