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- W2378350080 abstract "A hi erarchical nearest neighbor classification method was developed based on the thr ee modulation features of amplitude, phase and period to automatically classify aircraft in air-defense radar systems. The relatively constant amplitude and ph ase modulation are extracted using the relative change in the time domain, while the relatively constant periodic modulation is extracted using the complex AR b ispectrum in the frequency-domain based on the induction mechanism, the modulat ion model and the return characteristics. Three types of targets, including eigh t kinds of aircrafts from different manufactures, were classified based on the h ierarchical nearest neighbor classifier with the three modulation features. The classification effectiveness of each modulation feature was analyzed. Experiment al results demonstrate that the three modulation features and the hierarchical n earest neighbor classification method can provide effective automatic classifica tion of aircraft in air-defense radar systems." @default.
- W2378350080 created "2016-06-24" @default.
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- W2378350080 date "2003-01-01" @default.
- W2378350080 modified "2023-09-26" @default.
- W2378350080 title "Automatic classification of aircraft based on modulation features" @default.
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