A comparative analysis of computed and measured SAR images of complex targets


  1. Wong, S.
  2. Sandirasegaram, N.
  3. English, R.
  4. Liu, C.
  5. Vachon, P.
  6. Wolfe, J.
Corporate Authors
Defence R&D Canada - Ottawa, Ottawa ONT (CAN)
Computational radar target signature generation is considered as an integral component of a future target recognition system. It provides a comprehensive reference library database for target identification of a wide variety of targets, for example, aircraft, marine vessels and ground vehicles. Compiling an operational library will require an electromagnetic code that is capable of generating reliable and robust radar target signatures. Presently, computational electromagnetic modeling technology is not sufficiently mature to provide such a capability. To assess the quality of the computed target signatures from what is available with current technology, SAR (Synthetic Aperture Radar) images of complex targets generated by electromagnetic modeling computation are compared against measured SAR data of real targets. An armoured personnel carrier, a self-propelled howitzer, a naval warship and a sea-going ferry are used as targets in the investigation. The commercial electromagnetic modeling code FACETS (Frequency Asymptotic Code for Electromagnetic Target Scattering) is used for generating the SAR images. CAD (Computer-Aided Design) models of targets of interest are used as inputs to the modeling code. Measured SAR images of corresponding targets from the MSTAR (Moving and Stationary Target Acquisition and Recognition) public release datasets and from the RadarSat2 SAR imagery archive are used to compare against the computed images. The objective is to analyze and characterize

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Report Number
DRDC-OTTAWA-TM-2012-016 — Technical Memorandum
Date of publication
01 May 2012
Number of Pages
Electronic Document(PDF)

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