Schimpf, H.H.Schimpf2022-03-112022-03-112011https://publica.fraunhofer.de/handle/publica/37363710.1117/12.880747Based 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.en621conference paper