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Waveform-Encoded SAR: A Novel Concept for Nadir Echo and Range Ambiguity Suppression

Villano, Michelangelo and Krieger, Gerhard and Moreira, Alberto (2018) Waveform-Encoded SAR: A Novel Concept for Nadir Echo and Range Ambiguity Suppression. In: Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR. European Conference on Synthetic Aperture Radar (EUSAR), 2018-06-04 - 2018-06-07, Aachen, Germany.

Full text not available from this repository.

Abstract

Synthetic aperture radar (SAR) remote sensing allows high-resolution imaging independent of weather condi-tions and sunlight illumination and is therefore very attractive for the systematic observation of dynamic pro-cesses on the Earth’s surface. As a consequence of the pulsed operation of SAR, however, nadir echoes and range ambiguities may significantly affect the SAR image quality, if the pulse repetition frequency (PRF) is not conveniently constrained in the design of spaceborne SAR systems. As these constrains typically limit both the swath width and the ambiguity performance of the SAR system, the investigation of novel concepts for nadir echo and range ambiguity suppression is of great interest. Waveform-encoded SAR allows suppression (not only smearing) of the nadir echoes and range ambiguities by means of waveform diversity on transmit and dual-focus post-processing. This patented technique yields improved image quality and increased flexibility in the design of novel SAR systems.

Item URL in elib:https://elib.dlr.de/119286/
Document Type:Conference or Workshop Item (Lecture, Speech)
Title:Waveform-Encoded SAR: A Novel Concept for Nadir Echo and Range Ambiguity Suppression
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Villano, MichelangeloMichelangelo.Villano (at) dlr.dehttps://orcid.org/0000-0002-1769-6927
Krieger, GerhardGerhard.Krieger (at) dlr.dehttps://orcid.org/0000-0002-4548-0285
Moreira, AlbertoAlberto.Moreira (at) dlr.dehttps://orcid.org/0000-0002-3436-9653
Date:June 2018
Journal or Publication Title:Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Status:Published
Keywords:SAR.
Event Title:European Conference on Synthetic Aperture Radar (EUSAR)
Event Location:Aachen, Germany
Event Type:international Conference
Event Dates:2018-06-04 - 2018-06-07
Organizer:VDE
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 - Vorhaben Tandem-L Vorstudien
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Microwaves and Radar Institute
Deposited By: Villano, Dr.-Ing. Michelangelo
Deposited On:26 Mar 2018 09:13
Last Modified:23 Jan 2019 10:28

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