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Investigations on the Internal Calibration of Multi-Channel SAR

Younis, Marwan and Rommel, Tobias and Queiroz de Almeida, Felipe and Huber, Sigurd and Martone, Michele and Krieger, Gerhard (2017) Investigations on the Internal Calibration of Multi-Channel SAR. In: International Geoscience and Remote Sensing Symposium (IGARSS). IEEE. IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2017-07-23 - 2017-07-28, Texas, USA.

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Official URL: http://www.igarss2017.org/

Abstract

In this paper the calibration methods of state-of-the-art spaceborne SAR are reviewed to suggest calibration strategies for future SAR systems. These systems will utilize digital beamforming, which poses new challenges for the calibration, as the increased complexity of multi-channel SAR does not allow for the extrapolation of current calibration techniques. Further, depending on the DBF operation mode, real-time error measurement and correction is unavoidable, which requires a reconsideration to current calibration approaches. One the other hand, the digital hardware already present in multi-channel SAR systems offer completely new opportunities for the calibration such as on-board error correction and digital calibration. This requires a reconsideration of the calibration strategy for spaceborne SAR, as presented in the paper.

Item URL in elib:https://elib.dlr.de/111618/
Document Type:Conference or Workshop Item (Speech)
Title:Investigations on the Internal Calibration of Multi-Channel SAR
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Younis, MarwanUNSPECIFIEDhttps://orcid.org/0000-0002-8563-7371
Rommel, TobiasUNSPECIFIEDhttps://orcid.org/0000-0003-1864-7585
Queiroz de Almeida, FelipeUNSPECIFIEDhttps://orcid.org/0000-0001-5929-6633
Huber, SigurdUNSPECIFIEDhttps://orcid.org/0000-0001-7097-5127
Martone, MicheleUNSPECIFIEDhttps://orcid.org/0000-0002-4601-6599
Krieger, GerhardUNSPECIFIEDhttps://orcid.org/0000-0002-4548-0285
Date:July 2017
Journal or Publication Title:International Geoscience and Remote Sensing Symposium (IGARSS)
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Publisher:IEEE
Status:Published
Keywords:calibration, multi-channel calibration, internal SAR calibration, SAR internal errors
Event Title:IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Event Location:Texas, USA
Event Type:international Conference
Event Dates:2017-07-23 - 2017-07-28
Organizer:IEEE GRSS
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 > Radar Concepts
Deposited By: Younis, Dr.-Ing. Marwan
Deposited On:24 Mar 2017 07:42
Last Modified:31 Jul 2019 20:08

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