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ISAR imaging of space objects using large observation angles

Anger, Simon and Jirousek, Matthias and Dill, Stephan and Peichl, Markus (2021) ISAR imaging of space objects using large observation angles. In: 21st International Radar Symposium, IRS 2021. International Radar Symposium (IRS), 21.-22. Juni 2021, Berlin. doi: 10.23919/IRS51887.2021.9466183. ISBN 978-394497631-0. ISSN 2155-5753.

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Ground based imaging of satellites using an inverse synthetic aperture radar (ISAR) is a very powerful method for space surveillance. Based on the high resolution ISAR images, a precise evaluation of satellite structures can be derived. Hereby the achieved spatial resolution in azimuth direction depends on the integration angle considering a given radar transmit frequency. Further on, a significant larger observation angle, compared to the needed azimuth integration angle, can bring additional information content to the ISAR image. Especially due to the fact, that a large observation angle triggers much more scattering points during the illumination. Considering large observation angles in the subsequent image processing step, the acquired data can either be processed to one single ISAR image, representing a large integration angle, or to a stack of ISAR images showing the object from different perspectives. The paper outlines the possibilities and advantages of ISAR imaging using large observation angles based on real measurement data.

Item URL in elib:https://elib.dlr.de/146560/
Document Type:Conference or Workshop Item (Speech)
Title:ISAR imaging of space objects using large observation angles
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Anger, SimonUNSPECIFIEDhttps://orcid.org/0000-0002-6332-9781UNSPECIFIED
Jirousek, MatthiasUNSPECIFIEDhttps://orcid.org/0000-0003-2106-9245UNSPECIFIED
Dill, StephanUNSPECIFIEDhttps://orcid.org/0000-0001-6048-1107UNSPECIFIED
Peichl, MarkusUNSPECIFIEDhttps://orcid.org/0000-0003-0226-9786UNSPECIFIED
Journal or Publication Title:21st International Radar Symposium, IRS 2021
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Keywords:space surveillance, IoSiS, imaging of satellites in space, inverse synthetic aperture radar, ISAR, high-resolution radar, space debris, space system situational awareness, SSA
Event Title:International Radar Symposium (IRS)
Event Location:Berlin
Event Type:international Conference
Event Dates:21.-22. Juni 2021
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 - Security-relevant Earth Observation
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Reconnaissance and Security
Deposited By: Anger, Dr.-Ing. Simon
Deposited On:30 Nov 2021 18:51
Last Modified:17 Jul 2023 13:25

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