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Advanced L-Band SAR System Concepts for High-Resolution Ultra-Wide-Swath SAR Imaging

Krieger, Gerhard and Queiroz de Almeida, Felipe and Huber, Sigurd and Villano, Michelangelo and Younis, Marwan and Moreira, Alberto and del Castillo, Javier and Rodriguez-Cassola, Marc and Prats, Pau and Petrolati, Daniele and Ludwig, Michael and Buck, C. and Suess, Martin and Gebert, Nicolas (2017) Advanced L-Band SAR System Concepts for High-Resolution Ultra-Wide-Swath SAR Imaging. ESA Advanced RF Sensors and Remote Sensing Instruments (ARSI), 2017-09-12 - 2017-09-14, Noordwijk, The Netherlands.

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This paper reviews multichannel SAR instrument architectures, modes and processing techniques for the imaging of ultra-wide swaths with high azimuth resolution. The review includes both direct radiating arrays and reflector-based system architectures that are operated in either a single-transmit multiple-receive (SIMO) or in a multiple-transmit multiple-receive (MIMO) mode. The work has been conducted by DLR under the ESA contract -Advanced Processing Techniques for Next Generation Multichannel SARs- with the main objective to identify suitable SAR modes, processing techniques and system architectures for the definition and design of a next generation L-band SAR with unprecedented imaging capabilities. The goal is to map an ultra-wide swath of 400 km with 5 m azimuth resolution and to achieve, at the same time, an excellent imaging quality where both the noise equivalent sigma zero (NESZ) and the distributed ambiguity ratio (DTAR) are better than 25 dB. Towards this end, a large number of different SIMO and MIMO system candidates have been identified and assessed in view of achieving the demanding performance goals.

Item URL in elib:https://elib.dlr.de/113598/
Document Type:Conference or Workshop Item (Speech)
Title:Advanced L-Band SAR System Concepts for High-Resolution Ultra-Wide-Swath SAR Imaging
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Krieger, GerhardUNSPECIFIEDhttps://orcid.org/0000-0002-4548-0285
Queiroz de Almeida, FelipeUNSPECIFIEDhttps://orcid.org/0000-0001-5929-6633
Huber, SigurdUNSPECIFIEDhttps://orcid.org/0000-0001-7097-5127
Villano, MichelangeloUNSPECIFIEDhttps://orcid.org/0000-0002-1769-6927
Younis, MarwanUNSPECIFIEDhttps://orcid.org/0000-0002-8563-7371
Moreira, AlbertoUNSPECIFIEDhttps://orcid.org/0000-0002-3436-9653
Prats, PauUNSPECIFIEDhttps://orcid.org/0000-0002-7583-2309
Petrolati, Danieleeuropean space agency, estecUNSPECIFIED
Ludwig, Michaeleuropean space agencyUNSPECIFIED
Buck, C.european space agencyUNSPECIFIED
Suess, Martineuropean space agencyUNSPECIFIED
Gebert, Nicolaseuropean space agency (esa/estec)UNSPECIFIED
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:multichannel SAR instrument architectures, ultra-wide swaths ,single-transmit multiple-receive (SIMO), multiple-transmit multiple-receive (MIMO)
Event Title:ESA Advanced RF Sensors and Remote Sensing Instruments (ARSI)
Event Location:Noordwijk, The Netherlands
Event Type:international Conference
Event Dates:2017-09-12 - 2017-09-14
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Security-relevant Earth Observation
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Deposited By: Radzuweit, Sibylle
Deposited On:08 Aug 2017 13:42
Last Modified:31 Jul 2019 20:11

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