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Volume 32 Issue 8
Sep.  2010
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Wang Lu, Liu Hong-Wei. Method for Micro-motion Target Recognition and Motion Parameter Extraction Based on Time-frequency Analysis[J]. Journal of Electronics & Information Technology, 2010, 32(8): 1812-1817. doi: 10.3724/SP.J.1146.2009.01127
Citation: Wang Lu, Liu Hong-Wei. Method for Micro-motion Target Recognition and Motion Parameter Extraction Based on Time-frequency Analysis[J]. Journal of Electronics & Information Technology, 2010, 32(8): 1812-1817. doi: 10.3724/SP.J.1146.2009.01127

Method for Micro-motion Target Recognition and Motion Parameter Extraction Based on Time-frequency Analysis

doi: 10.3724/SP.J.1146.2009.01127 cstr: 32379.14.SP.J.1146.2009.01127
  • Received Date: 2009-08-25
  • Rev Recd Date: 2010-01-13
  • Publish Date: 2010-08-19
  • Spatial motion feature is one of main target features for missile target identification. This paper investigates micro-motion of the missile target. Time-frequency analysis is used to extract micro-Doppler signature, based on which an approach is proposed for estimating the linear sum of the micro-Dopplers of scatters. Motion parameters can be extracted by applying Fourier Transform to the sum. Then waveform entropy is presented for the missile identification. The simulation results and the recognition results validate the effectiveness of theoretical analysis.
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  • Chen V C, Li F, and Ho S S, et al.. Analysis of micro-Dopplersignatures[J].IEE Proceedings on Radar, Sonar andNavigation.2003, 150(4):271-276[2]Chen V C. Micro-Doppler effect of micro-motion dynamics: Areview[C]. Proceedings of SPIE on Independent ComponentAnalyses, Wavelets, and Neural Networks, Orlando, USA,2003, 5102: 240-249.[3]Chen V C, Li F Y, and Ho S S. Micro-Doppler effect in radarphenomenon, model and simulation study[J].IEEETransactions on Aerospace and Electronic Systems.2006,42(1):2-21[4]陈建文, 李士国. 基于目标运动分辨技术提取导弹目标运动特征[J]. 现代雷达, 2003, 25(6): 5-8.Chen Jian-wen and Li Shi-guo. Missile motion featureextraction based on target motion resolution[J]. ModernRadar, 2003, 25(6): 5-8.[5]陈行勇, 黎湘, 郭桂荣, 等. 微进动弹道导弹目标雷达特征提取[J].电子与信息学报.2006, 28(4):643-646浏览[6]Sun Hui-xia and Liu zheng. Micro-Doppler feature extractionfor ballistic missile warhead[C]. IEEE InternationalConference on Information and Automation. Zhangjiajie,China, 2008: 1333-1336.[7]Lei Jia-jin. Pattern recognition based on time-frequencydistributions of radar micro-Doppler dynamics[C]. IEEEProceedings of the Sixth International Conference on SNPD/SAWN, Washington DC, USA, 2005: 14-18.[8]高红卫, 谢良贵, 文树梁等. 弹道导弹目标为多普勒特征提取[J]. 雷达科学与技术, 2008, 6(2): 96-101.Gao Hong-wei, Xie Liang-gui, and Wen Shu-liang, et al..Micro-Doppler feature extraction of ballistic missile targets[J].Radar Science and Technology, 2008, 6(2): 96-101.[9]Sun Zhao-qing, Li Bao-zhu, and Lu Yao-bing. Research onmocro-motion and micro-Doppler of ballistic targets[C]. IETInternational Radar Conference, Guilin, China, 2009, 209.
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