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New approach to target identification by use of a robust algorithm for optimal matching of wideband radar signal to target

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2 Author(s)
Ghadimi, N. ; Electr. Eng. Fac., Sharif Univ. of Technol., Tehran, Iran ; Bastani, M.H.

Using an array of coupled oscillators, a novel broadband radar signalling scheme is introduced. It is shown that the collective output of the oscillator array is a flexible signal that can be matched to a target at a specific aspect. Also, a new robust algorithm based on eigenvectors of the correlation matrix is introduced, by which the generated signal can be matched to the target over a limited range of aspects. This capability is important, because radars are unable to estimate the aspect of a real target precisely. In this new approach to radar target identification, after estimation of the approximate aspect of an unknown target, a variety of waveforms matched to different potential targets are synthesised and transmitted to the target in turn. The maximum peak power of the backscattered signals will then specify the identity of the target. Computer simulations have shown that this technique is robust to both additive noise and aspect angle uncertainty

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Radar, Sonar and Navigation, IEE Proceedings -  (Volume:149 ,  Issue: 1 )