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DESIGN OF A LOW-COST SYNTHETIC APERTURE RADAR FOR CONTINUOUS SHIP MONITORING

Ustalli, Nertjana and Villano, Michelangelo and Krieger, Gerhard (2021) DESIGN OF A LOW-COST SYNTHETIC APERTURE RADAR FOR CONTINUOUS SHIP MONITORING. In: International Geoscience and Remote Sensing Symposium (IGARSS). IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2021-07-12 - 2021-07-16, Brussels, Belgium.

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Abstract

Synthetic aperture radar (SAR) systems have unique image capabilities that are suitable for several Earth observation applications. The focus of this paper is the design of a lowcost SAR for a single dedicated application, namely illegal vessel detection, that can be implemented using a small satellite and is characterized by reduced transmit power and high resolution. Minimum requirements in terms of noiseequivalent sigma zero (NESZ) and resolution that ensure acceptable detection performance are derived, using TerraSAR-X data to retrieve the intensity distribution of typical ships. One peculiarity of the design is that a pulse repetition frequency (PRF) much smaller than the nominal Doppler bandwidth is selected to ensure a wider swath and that azimuth ambiguities are exploited to further improve the detection performance. A design example of a system in Xband imaging a 50-km ground swath and characterized by an average transmit power of only 15 W is presented

Item URL in elib:https://elib.dlr.de/141477/
Document Type:Conference or Workshop Item (Speech)
Title:DESIGN OF A LOW-COST SYNTHETIC APERTURE RADAR FOR CONTINUOUS SHIP MONITORING
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Ustalli, NertjanaUNSPECIFIEDUNSPECIFIED
Villano, MichelangeloUNSPECIFIEDhttps://orcid.org/0000-0002-1769-6927
Krieger, GerhardUNSPECIFIEDhttps://orcid.org/0000-0002-4548-0285
Date:2021
Journal or Publication Title:International Geoscience and Remote Sensing Symposium (IGARSS)
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Status:Accepted
Keywords:Synthetic aperture radar (SAR), small satellites, ship detection, azimuth ambiguities
Event Title:IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Event Location:Brussels, Belgium
Event Type:international Conference
Event Dates:2021-07-12 - 2021-07-16
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 - Development of a mini-SAR
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Deposited By: Ustalli, Nertjana
Deposited On:23 Mar 2021 12:45
Last Modified:29 Mar 2021 22:38

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