Passive GNSS-based SAR resolution improvement using joint Galileo E5 signals

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This letter demonstrates the feasibility of improving range resolution in passive synthetic aperture radar with the Galileo navigation satellites as transmitters of opportunity. This can be done by an appropriate coherent combination of the Galileo E5a and E5b signals. The proposed approach is analytically derived and is confirmed both by simulation and experiments.

Original languageEnglish
Article number7088585
Pages (from-to)1640-1644
Number of pages5
JournalIEEE Geoscience and Remote Sensing Letters
Issue number8
Early online date17 Apr 2015
Publication statusPublished - 1 Aug 2015


  • Bistatic synthetic aperture radar (BSAR)
  • Galileo
  • global navigation satellite systems (GNSS)-based synthetic aperture radar (SAR)
  • resolution improvement

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Geotechnical Engineering and Engineering Geology


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