Volume 7 Issue 5
Nov.  2018
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Article Navigation >  Journal of Radars  > 2018  >  7(5): 565-574
Su Ningyuan, Chen Xiaolong, Guan Jian, Mou Xiaoqian, Liu Ningbo. Detection and Classification of Maritime Target with Micro-motion Based on CNNs[J]. Journal of Radars, 2018, 7(5): 565-574. doi: 10.12000/JR18077
Citation: Su Ningyuan, Chen Xiaolong, Guan Jian, Mou Xiaoqian, Liu Ningbo. Detection and Classification of Maritime Target with Micro-motion Based on CNNs[J]. Journal of Radars, 2018, 7(5): 565-574. doi: 10.12000/JR18077
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Detection and Classification of Maritime Target with Micro-motion Based on CNNs

DOI: 10.12000/JR18077

  • Naval Aviation University, Yantai 264001, China

Funds:  The National Natural Science Foundation of China (61871391, 61501487, 61871392, U1633122, 61471382, 61531020), National Defense Science Foundation (2102024), Scientific Research Development of Shandong (J17KB139), Special Funds of Taishan Scholars of Shandong and Young Elite Scientist Sponsorship Program of CAST (YESS20160115)
  • Received Date: 2018-09-14
  • Rev Recd Date: 2018-10-16
  • Publish Date: 2018-10-28
    Abstract
  • In this paper, Convolutional Neural Networks (CNN) are used to detect and classify micro-Doppler effects of maritime targets by using generalized learning ability for high-dimensional features. Based on the micro-motion model of maritime targets, two-dimensional time-frequency maps of four types of micro-motion signals are constructed in the measured sea clutter background. These maps were used as training and test datasets. Furthermore, three types of CNN models, i.e., LeNet, AlexNet, and GoogleNet, are used in binary detection and multiple micro-motion classifications. The effects of signal-to-noise ratio on detection and classification performance are also studied. Compared with the traditional support vector machine method, the proposed method can learn the micro-motion features intelligently, and has performed better in detection and classification. Thus, this study can provide a new technical approach for radar target detection and recognition under a cluttered background.

     

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