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Volume 31 Issue 3
Dec.  2010
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Cao Min, Fu Yao-wen, Huang Ya-jing, Li Xiang, Zhuang Zhao-wen. Research on the Motion Compensation of the Ballistic Targets High Resolution Range Profile[J]. Journal of Electronics & Information Technology, 2009, 31(3): 601-605. doi: 10.3724/SP.J.1146.2007.01655
Citation: Cao Min, Fu Yao-wen, Huang Ya-jing, Li Xiang, Zhuang Zhao-wen. Research on the Motion Compensation of the Ballistic Targets High Resolution Range Profile[J]. Journal of Electronics & Information Technology, 2009, 31(3): 601-605. doi: 10.3724/SP.J.1146.2007.01655

Research on the Motion Compensation of the Ballistic Targets High Resolution Range Profile

doi: 10.3724/SP.J.1146.2007.01655
  • Received Date: 2007-10-22
  • Rev Recd Date: 2008-07-07
  • Publish Date: 2009-03-19
  • The motion of the ballistic target in midcourse is very complex, which has high flight speed and micro-motion such as spin, precession and tumble. According to its complex motion, wideband radar echo model after dechirping is firstly built. Then the influence of the high speed motion and micro-motion on the High Resolution Range Profile (HRRP) of the ballistic target is quantitatively analyzed. In order to improve the quality of the ballistic targets HRRP, a new motion compensation algorithm is proposed. The basic idea is to estimate velocity through Doppler tracking to a scatter, and the Doppler tracking is performed via an Adaptive Joint Time-Frequency (AJTF) technique and Particle Swarm Optimization (PSO) algorithm. Simulations show that the distorted HRRP can be corrected effectively by the proposed method which has a high estimate accuracy, low computational cost and good robust property.
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