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Multifrequency Subpulse SAR: Exploiting Chirp Bandwidth for an Increased Coverage

Bordoni, Federica and Krieger, Gerhard and Younis, Marwan (2018) Multifrequency Subpulse SAR: Exploiting Chirp Bandwidth for an Increased Coverage. IEEE Geoscience and Remote Sensing Letters, 16 (1), pp. 40-44. IEEE - Institute of Electrical and Electronics Engineers. doi: 10.1109/LGRS.2018.2867723. ISSN 1545-598X.

[img] PDF - Postprint version (accepted manuscript)

Official URL: https://ieeexplore.ieee.org/document/8467537


Spatial resolution and swath width are fundamental quality parameters for spaceborne synthetic aperture radar (SAR) products. They have driven the research on new spaceborne SAR system concepts in the last decades, and a new generation of SAR systems is emerging. Main feature of these future systems is the use of multiple digital channels and new SAR processing techniques. A further characteristic is that they can resort to a large radar signal bandwidth. In this paper, a novel SAR operational mode is presented, denoted as multifrequency subpulse (MFSP). The MFSP exploits the available radar signal bandwidth to increase the imaged swath extension, without the emergence of range ambiguities. The proposed approach is explained both theoretically and by a design example, based on the future German X-band SAR system, High-Resolution Wide-Swath (HRWS). Moreover, the achievable SAR imaging quality is investigated.

Item URL in elib:https://elib.dlr.de/130962/
Document Type:Article
Title:Multifrequency Subpulse SAR: Exploiting Chirp Bandwidth for an Increased Coverage
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Bordoni, FedericaUNSPECIFIEDhttps://orcid.org/0000-0001-9908-8775UNSPECIFIED
Krieger, GerhardUNSPECIFIEDhttps://orcid.org/0000-0002-4548-0285UNSPECIFIED
Date:18 September 2018
Journal or Publication Title:IEEE Geoscience and Remote Sensing Letters
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 40-44
Publisher:IEEE - Institute of Electrical and Electronics Engineers
Keywords:High-resolution wide-swath (HRWS), multichannel synthetic aperture radar (SAR), digital beamforming (DBF).
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
Deposited By: Bordoni, Dr. Federica
Deposited On:21 Nov 2019 10:26
Last Modified:15 Mar 2022 09:25

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