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http://dx.doi.org/10.5515/KJKIEES.2017.28.10.794

Target Recognition Method of DTV-Based Passive Radar Using Multi-Channel Combining Method  

Seol, Seung-Hwan (Department of Electronic Engineering, Hannam University)
Choi, Young-Jae (Department of Electronic Engineering, Hannam University)
Choi, In-Sik (Department of Electronic Engineering, Hannam University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.28, no.10, 2017 , pp. 794-801 More about this Journal
Abstract
In this paper, we proposed airborne target recognition using multi-channel combining method in DTV-based passive radar. By combining multi-channel signals, we obtained the HRRP with sufficient range resolution. HRRP was obtained by AR method or zero-padding. From the obtained HRRP, we extracted scattering centers by CLEAN algorithm using the gradient descent. We extracted feature vectors and performed target recognition after training neural network using the extracted feature vectors. To verify performance of proposed methods, we assumed frequency bands of three broadcasting transmitters operated in Korea(Mt. Gwan-ak, Mt. Yong-moon, Kyeon-wol-ak) and used full scale 3D CAD model of four targets. Also we compared the target recognition performance of the proposed method with that of using only single-channel of three broadcasting transmitters. As a result, proposed methods showed better performance than using only single-channel at three broadcasting transmitters.
Keywords
Passive Radar; AR Method; Zero-Padding; Target Recognition;
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Times Cited By KSCI : 1  (Citation Analysis)
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