The increasing amount of space debris poses a growing challenge in the development of space travel. In previous work, a proposed system comprising of a low budget space-borne passive radar based on CubeSAT, flying in Low Earth Orbit (LEO), demonstrated promising results in terms of space debris detection performance. In this work a novel Shadow ISAR (SISAR) model for space debris imaging based on nanosatellite is presented. An analysis of the received Forward Scattering (FS) signal is provided along with a novel model for moving transmitters and receivers SISAR imaging. Using simulated data and assuming different scenarios the performance of the new algorithm is assessed wherein, a classification scheme is applied using the output of the SISAR algorithm for classification between simple target shapes.
Original languageEnglish
Number of pages10
JournalIET Radar Sonar and Navigation
Early online date23 Apr 2020
Publication statusE-pub ahead of print - 23 Apr 2020


  • space debris
  • nanosatellite
  • SISAR imaging

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