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Simultaneous Navigation and SAR Auto-Focusing
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
2010 (English)In: Proceedings of 13th International Conference on Information Fusion, 2010Conference paper, Published paper (Refereed)
Abstract [en]

Synthetic Aperture Radar (SAR) equipment is an all-weather radar imaging system that can create high resolution images by means of utilising the movement of the flying platform. Accurate knowledge of the flown trajectory is essential in order to get focused images. Recently SAR systems are becoming more used on smaller and cheaper flying platforms like Unmanned Aerial Vehicles (UAV). Since UAVs in general have navigation systems with poorer performance than manned aircraft, the resulting images will inevitably be unfocused. At the same time, the unfocused images carry the information about the platforms trajectory that can be utilised. Here a way of using SAR images and their focus measure in a sensor fusion framework in order to simultaneously obtain both improved images and trajectory estimate is presented. The method is illustrated on a simple simulated example with promising results. Finally a discussion about the results and future work is given.

Place, publisher, year, edition, pages
2010.
Keyword [en]
Synthetic aperture radar, Auto-focusing, Estimation, Optimisation
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-62846ISBN: 978-0-9824438-1-1 (print)OAI: oai:DiVA.org:liu-62846DiVA: diva2:374840
Conference
13th International Conference on Information Fusion, Edinburgh, United Kingdom, 26-29 July, 2010
Projects
LINK-SIC
Available from: 2010-12-20 Created: 2010-12-06 Last updated: 2013-09-17Bibliographically approved

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Sjanic, ZoranGustafsson, Fredrik

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf