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The influence of multipath on ship ATR performance

: Schimpf, H.


Sadjadi, F.A. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Automatic Target Recognition XXI : SPIE Defense, Security and Sensing 2011: 26. April 2011 - 28. April 2011, Orlando, Florida, USA
Bellingham, WA: SPIE, 2011 (Proceedings of SPIE 8049)
ISBN: 978-0-8194-8623-3
Paper 804912
Conference "Automatic Target Recognition" <21, 2011, Orlando/Fla.>
Defense, Security and Sensing Symposium <2011, Orlando/Fla.>
Fraunhofer FHR ()

Based on measurements of a ship at 17 GHz and on several simulated ships at 35GHz it is demonstrated how multipath changes the range profiles that form a basis for the construction of ATR features for ship classification. The fluctuation of range profiles leads to a corresponding fluctuation of feature values that make it difficult to define stable test feature vectors, and reliable feature references in the training stage.