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Acta Armamentarii ›› 2013, Vol. 34 ›› Issue (12): 1594-1598.doi: 10.3969/j.issn.1000-1093.2013.12.015

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A Velocity Vector Estimation Method Based on Radar Extended Target

FAN Jian-peng, LU Zai-qi, FAN Hong-qi, FU Qiang   

  1. (Science and Technology on ATR Laboratory, National University of Defense Technology, Changsha 410073, Hunan, China)
  • Received:2012-11-04 Revised:2012-11-04 Online:2014-03-04
  • Contact: FAN Jian-peng E-mail:ffan024@gmail.com

Abstract: For the target performing relatively uniform linear motion in the fuze phase, a velocity vector estimation algorithm is proposed based on least square method using the measurements of Doppler velocities and angles of multiple scattering points obtained by the seeker radar. The estimation can be used to predict the explosion point and detonation time, thereby greatly enhancing the fuze performance. Numerical simulations have demonstrated the effectiveness of the proposed approach.

Key words: radar engineering, velocity vector estimation, guidance integrated fuzing, uniform linear motion, radar extended target, Doppler velocity, least square method

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