Anghel, Andrei and Cacoveanu, Remus and Moldovan, Adrian-Septimiu and Rommen, Björn and Datcu, Mihai (2019) COBIS: Opportunistic C-Band Bistatic SAR Differential Interferometry. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 12 (10), pp. 3980-3998. IEEE - Institute of Electrical and Electronics Engineers. DOI: 10.1109/JSTARS.2019.2939194 ISSN 1939-1404
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Official URL: https://ieeexplore.ieee.org/document/8839119
Abstract
Monitoring large built structures, landslides, volcanoes, or glaciers implies relative height measurements and line-of-sight (LOS) displacement measurements, which are typically performed with monostatic spaceborne synthetic aperture radar (SAR) sensors. In this case, for each satellite that illuminates a given location, we can usually exploit only the information available from one ascending/descending orbit, and if the satellite uses multiple subswaths, the information is obtained only from one subswath per orbit. A bistatic configuration with spaceborne transmitter and fixed ground-based (GB) receiver opens the possibility to exploit the information available from more than one orbit and one subswath per orbit. Additionally, such a configuration offers new perspectives for target tracking and characterization (e.g., multiple LOSs and bistatic scattering signatures). This article presents an opportunistic C-band bistatic SAR differential interferometry architecture that uses a multichannel GB stationary receiver and a separate transmitter, which can be either the Sentinel-1A/B satellite, used opportunistically, or a specially designed GB sliding transmitter. The combination of the operation modes based on spaceborne and GB transmitter allows monitoring a small critical area of interest with many acquisitions triggered by the GB transmitter and surveying of the whole surrounding area with a small number of acquisitions corresponding to the satellites passes. The hardware platforms are presented along with the bistatic interferometric processing flow, and the potential of the proposed architecture is assessed in the context of monitoring large built structures.
Item URL in elib: | https://elib.dlr.de/130516/ | ||||||||||||||||||
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Document Type: | Article | ||||||||||||||||||
Title: | COBIS: Opportunistic C-Band Bistatic SAR Differential Interferometry | ||||||||||||||||||
Authors: |
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Date: | 2019 | ||||||||||||||||||
Journal or Publication Title: | IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing | ||||||||||||||||||
Refereed publication: | Yes | ||||||||||||||||||
Open Access: | Yes | ||||||||||||||||||
Gold Open Access: | Yes | ||||||||||||||||||
In SCOPUS: | Yes | ||||||||||||||||||
In ISI Web of Science: | Yes | ||||||||||||||||||
Volume: | 12 | ||||||||||||||||||
DOI : | 10.1109/JSTARS.2019.2939194 | ||||||||||||||||||
Page Range: | pp. 3980-3998 | ||||||||||||||||||
Publisher: | IEEE - Institute of Electrical and Electronics Engineers | ||||||||||||||||||
ISSN: | 1939-1404 | ||||||||||||||||||
Status: | Published | ||||||||||||||||||
Keywords: | Transmitters, Receivers,Synthetic aperture radar, Interferometry, Computer architecture, Orbits | ||||||||||||||||||
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 hochauflösende Fernerkundungsverfahren | ||||||||||||||||||
Location: | Oberpfaffenhofen | ||||||||||||||||||
Institutes and Institutions: | Remote Sensing Technology Institute > EO Data Science | ||||||||||||||||||
Deposited By: | Karmakar, Chandrabali | ||||||||||||||||||
Deposited On: | 04 Dec 2019 14:58 | ||||||||||||||||||
Last Modified: | 24 Nov 2020 04:13 |
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