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Bandwidth Considerations for Interferometric Applications Based on TanDEM-X

Martone, Michele and Gonzalez, Carolina and Bueso Bello, Jose Luis and Bräutigam, Benjamin (2017) Bandwidth Considerations for Interferometric Applications Based on TanDEM-X. IEEE Geoscience and Remote Sensing Letters, 14 (2), pp. 203-207. IEEE - Institute of Electrical and Electronics Engineers. DOI: 10.1109/LGRS.2016.2634324 ISSN 1545-598X

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Abstract

For present and next-generation spaceborne synthetic aperture radar (SAR) missions the use of always larger bandwidths, higher pulse repetition frequencies (PRFs), and multiple acquisition channels is being required. Among the numerous parameters characterizing a SAR system, the specific range and azimuth bandwidth, selected for the SAR image formation, are of primary importance, since they directly affect the quality, the resolution, and the accuracy of the derived products. The purpose of this paper is to investigate their influence with particular focus on interferometric SAR (InSAR) applications. Exploiting the well-known relationships available from SAR theory, the impact of the range and the azimuth bandwidths on the coherence and on the interferometric phase errors is evaluated by means of simulations based on typical TanDEM-X acquisition scenarios. Some examples from real TanDEM-X data are provided as well. The results discussed in this paper can be used as recommendation for those who want to apply for a TanDEM-X science acquisitions proposal, exploiting the high commanding flexibility of the TanDEM-X system, and represent a valuable input for all users dealing with interferometric SAR data and for the design of future InSAR systems in general.

Item URL in elib:https://elib.dlr.de/108343/
Document Type:Article
Title:Bandwidth Considerations for Interferometric Applications Based on TanDEM-X
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Martone, MicheleUNSPECIFIEDhttps://orcid.org/0000-0002-4601-6599
Gonzalez, CarolinaUNSPECIFIEDUNSPECIFIED
Bueso Bello, Jose LuisUNSPECIFIEDhttps://orcid.org/0000-0003-3464-2186
Bräutigam, BenjaminUNSPECIFIEDUNSPECIFIED
Date:February 2017
Journal or Publication Title:IEEE Geoscience and Remote Sensing Letters
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:14
DOI :10.1109/LGRS.2016.2634324
Page Range:pp. 203-207
Publisher:IEEE - Institute of Electrical and Electronics Engineers
ISSN:1545-598X
Status:Published
Keywords:Synthetic aperture radar (SAR), SAR interferometry (InSAR), TanDEM-X, mission, range/azimuth bandwidth, performance.
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
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Martone, Michele
Deposited On:29 Nov 2016 08:52
Last Modified:08 Mar 2018 18:31

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