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Airborne array aperture UWBUHF radar - Motivation and system considerations
Natl Def Res Estab, Dept Surveillance Radar, Div Sensor Technol, FOA, S-58111 Linkoping, Sweden.
Natl Def Res Estab, Dept Surveillance Radar, Div Sensor Technol, FOA, S-58111 Linkoping, Sweden.
2000 (English)In: IEEE Aerospace and Electronic Systems Magazine, ISSN 0885-8985, E-ISSN 1557-959X, Vol. 15, no 5, 35-45 p.Article in journal (Refereed) Published
Abstract [en]

This paper discusses the necessity, feasibility, and technology of FOPEN GMTI. It argues that this functionality may be one mode in a multi-function UWB UHF system, which jointly possesses the capabilities for air target MTI and high resolution FOPEN SAR. The radar platform may be a UAV or an aircraft, whereas, we propose to use the push boom type of antenna mounting previously adopted with the advantage for the CARABAS II UWB VHF SAR. Presently, the push booms will hold a set of UWB UHF antenna elements. This paper relates GMTI to SAR, extended from imaging stationary ground to the 4-parameter set of targets in linear and uniform motion relative to ground. It is recognised that this extended imaging problem depends on one new parameter, i.e., the SAR focusing velocity. The required signal processing may be tackled in an efficient manner by a hierarchical scheme based on iteratively merging subapertures and increasing the resolution. Rejection of stationary clutter and detection occurs on all levels of increasing resolution. This paper also provides a brief presentation of the Swedish FOA efforts to produce an experimental demonstrator of this multi-function radar system.

Place, publisher, year, edition, pages
2000. Vol. 15, no 5, 35-45 p.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-49755OAI: oai:DiVA.org:liu-49755DiVA: diva2:270651
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-12

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  • apa
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Language
  • de-DE
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  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • text
  • asciidoc
  • rtf