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Efficient Evaluation of Multichannel SAR Data Recombination Filters

Kiemer, Moritz and Breit, Helko (2017) Efficient Evaluation of Multichannel SAR Data Recombination Filters. IEEE Transactions on Geoscience and Remote Sensing, 55 (11), pp. 6277-6286. IEEE - Institute of Electrical and Electronics Engineers. DOI: 10.1109/TGRS.2017.2724918 ISSN 0196-2892

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Official URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8016640

Abstract

Synthetic Aperture Radar (SAR) is a well established technique for observing the earth on a global scale. As applications become more demanding, it is desirable to overcome the limitations imposed by the SAR principle, one of which is the trade-off between the swath width and the instantaneous azimuth bandwidth, determining the resolution. Recombination of multiple channels with displaced phase centers has been proposed as a convenient way to create high resolution wideswath images. We analyze various approximations made in the channel Transfer functions and their impact on the reconstruction result using examples inspired by current imaging modes of the TerraSARX and TanDEM-X missions. In order to do so, we introduce an efficient method to assess the quality of reconstruction filters for an arbitrary number of channels without the need of full time-domain simulations.

Item URL in elib:https://elib.dlr.de/113684/
Document Type:Article
Title:Efficient Evaluation of Multichannel SAR Data Recombination Filters
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kiemer, MoritzTechnische Universität Münchenhttps://orcid.org/0000-0003-4609-2468
Breit, HelkoHelko.Breit (at) dlr.dehttps://orcid.org/0000-0001-7865-3288
Date:2017
Journal or Publication Title:IEEE Transactions on Geoscience and Remote Sensing
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:55
DOI :10.1109/TGRS.2017.2724918
Page Range:pp. 6277-6286
Editors:
EditorsEmail
UNSPECIFIEDIEEE
Publisher:IEEE - Institute of Electrical and Electronics Engineers
Series Name:IEEE Xplore
ISSN:0196-2892
Status:Published
Keywords:synthetic aperture Radar (SAR), radar signal processing, spaceborne radar, signal reconstruction, multi-channel SAR
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 - SAR-Methodology
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > SAR Signal Processing
Deposited By: Breit, Helko
Deposited On:17 Aug 2017 11:13
Last Modified:23 Feb 2019 00:21

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