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Sensors 2017, 17(7), 1675; doi:10.3390/s17071675

An Adaptive Feature Learning Model for Sequential Radar High Resolution Range Profile Recognition

College of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China
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Received: 12 June 2017 / Revised: 17 July 2017 / Accepted: 19 July 2017 / Published: 20 July 2017
(This article belongs to the Section Remote Sensors)
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Abstract

This paper proposes a new feature learning method for the recognition of radar high resolution range profile (HRRP) sequences. HRRPs from a period of continuous changing aspect angles are jointly modeled and discriminated by a single model named the discriminative infinite restricted Boltzmann machine (Dis-iRBM). Compared with the commonly used hidden Markov model (HMM)-based recognition method for HRRP sequences, which requires efficient preprocessing of the HRRP signal, the proposed method is an end-to-end method of which the input is the raw HRRP sequence, and the output is the label of the target. The proposed model can efficiently capture the global pattern in a sequence, while the HMM can only model local dynamics, which suffers from information loss. Last but not least, the proposed model learns the features of HRRP sequences adaptively according to the complexity of a single HRRP and the length of a HRRP sequence. Experimental results on the Moving and Stationary Target Acquisition and Recognition (MSTAR) database indicate that the proposed method is efficient and robust under various conditions. View Full-Text
Keywords: radar HRRP recognition; restricted Boltzmann machine; feature learning radar HRRP recognition; restricted Boltzmann machine; feature learning
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Peng, X.; Gao, X.; Zhang, Y.; Li, X. An Adaptive Feature Learning Model for Sequential Radar High Resolution Range Profile Recognition. Sensors 2017, 17, 1675.

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