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Natural frequency-based neural network approach to radar target recognition

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3 Author(s)
Joon-Ho Lee ; Adv. Radio Technol. Dept., Electron. & Telecommun. Res. Inst., Daejeon, South Korea ; In-Sik Choi ; Hyo-Tae Kim

Time domain response-based neural networks and frequency domain response-based neural networks have been proposed for radar target recognition. We propose a natural frequency-based neural network for radar target recognition. Our scheme takes advantage of an aspect angle independence of a natural frequency. It is shown from experimental results that a natural frequency based-neural network using the first natural frequency pair is superior to a time domain response-based neural network in the case of a single aspect angle and that a natural frequency based-neural network using the first natural frequency pair or the first two natural frequency pairs is superior to a time domain response-based neural network in the case of a multiple aspect angle.

Published in:

Signal Processing, IEEE Transactions on  (Volume:51 ,  Issue: 12 )