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Schaefer, Christoph and Baumgartner, Stefan (2013) Ka-Band Instrument for Ground Moving Target Indication with Low PRF Requirement. In: Proceedings of 19th Ka and Broadband Communications, Navigation and Earth Observation Conference, 3, pp. 1-8. Ka and Broadband Communications, Navigation and Earth Observation Conference, 2013-10-14 - 2013-10-17, Florence, Italy.
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Abstract
The paper proposes a space-borne radar instrument architecture which supports a joint SAR (synthetic aperture radar) and GMTI (ground moving target indication) imaging mode. In a joint mode, one set of raw radar data is recorded in a single data take, but alternate processing methods are applied to this set on ground in order to obtain two different data products: images of stationary and moving targets, respectively. A Ka-band instrument can be equipped with a receive antenna which is long electrically and which provides many along-track phase centers. It is these features which support a low PRF/ wide swath joint SAR/GMTI imaging mode. A Ka-band instrument architecture is proposed with 13 receive phase centers. The problems arising in this context are recognized and solutions presented at conceptual level, including a potential GMTI processing scheme. Algorithm details as well as alternative processing schemes will be published in forthcoming papers. A wide-swath, joint SAR/GMTI imaging mode is expected to be an attractive feature for future spaceborne missions based on Ka-band instrumentation.
| Item URL in elib: | https://elib.dlr.de/87732/ | ||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||
| Title: | Ka-Band Instrument for Ground Moving Target Indication with Low PRF Requirement | ||||||||||||
| Authors: |
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| Date: | October 2013 | ||||||||||||
| Journal or Publication Title: | Proceedings of 19th Ka and Broadband Communications, Navigation and Earth Observation Conference | ||||||||||||
| Refereed publication: | Yes | ||||||||||||
| Open Access: | No | ||||||||||||
| Gold Open Access: | No | ||||||||||||
| In SCOPUS: | No | ||||||||||||
| In ISI Web of Science: | No | ||||||||||||
| Volume: | 3 | ||||||||||||
| Page Range: | pp. 1-8 | ||||||||||||
| Status: | Published | ||||||||||||
| Keywords: | SAR, GMTI, ATI, Ka-Band, HRWS, Synthetic Aperture Radar, Ground Moving Target Indication, Along-Track Interferometry, High-Resolution Wide-Swath Imaging | ||||||||||||
| Event Title: | Ka and Broadband Communications, Navigation and Earth Observation Conference | ||||||||||||
| Event Location: | Florence, Italy | ||||||||||||
| Event Type: | international Conference | ||||||||||||
| Event Dates: | 2013-10-14 - 2013-10-17 | ||||||||||||
| Organizer: | ASI | ||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||
| HGF - Program: | Transport | ||||||||||||
| HGF - Program Themes: | Traffic Management (old) | ||||||||||||
| DLR - Research area: | Transport | ||||||||||||
| DLR - Program: | V VM - Verkehrsmanagement | ||||||||||||
| DLR - Research theme (Project): | V - Projekt VABENE (old) | ||||||||||||
| Location: | Oberpfaffenhofen | ||||||||||||
| Institutes and Institutions: | Microwaves and Radar Institute > Radar Concepts | ||||||||||||
| Deposited By: | Baumgartner, Dr.-Ing. Stefan V. | ||||||||||||
| Deposited On: | 31 Jan 2014 19:51 | ||||||||||||
| Last Modified: | 08 May 2014 23:20 |
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