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Type: Conference paper
Title: Space-Doppler processing for multichannel ISAR imaging of non-cooperative targets embedded in strong clutter
Author: Bacci, A.
Gray, D.
Martorella, M.
Berizzi, F.
Citation: Proceedings of the International Conference on Radar, RADAR 2013, 9-12 September 2013, Adelaide, Australia: pp.43-47
Publisher: IEEE
Publisher Place: USA/CD
Issue Date: 2013
ISBN: 9781467351782
Conference Name: International Conference on Radar (2013 : Adelaide, Australia)
Statement of
Alessio Bacci, Douglas Gray, Marco Martorella, Fabrizio Berizzi
Abstract: Non-cooperative moving targets appear defocussed in SAR images and the blurring effect due to the unknown motion leads to low detection capabilities. In this work, clutter suppression and ISAR processing are combined to obtain well focused images of extended non-cooperative moving targets embedded in strong clutter, by exploiting Multichannel SAR (M-SAR) systems. Clutter mitigation and radar motion compensation are performed by means of the proposed Space Doppler Adaptive Processing. Then ISAR processing is used to compensate the unknown target motion. Two principal issues will be addressed. First, a technique to apply ISAR processing after clutter mitigation is presented, and then a suboptimal approach for clutter mitigation is proposed to overcome computational and statistical issues associated with estimation of clutter cross-power spectral matrix. Results of the processing applied to simulated data are provided in order to show the effectiveness of the proposed techniques.
Rights: © 2013 IEEE
RMID: 0020134493
DOI: 10.1109/RADAR.2013.6651957
Appears in Collections:Electrical and Electronic Engineering publications

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