Volume 40 Issue 2
Feb.  2014
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Liu Yonglan, He Zhenghong, Li Zhenxing, et al. Algorithm of trajectory prediction in free phase based on range adjusting[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(2): 274-279. (in Chinese)
Citation: Liu Yonglan, He Zhenghong, Li Zhenxing, et al. Algorithm of trajectory prediction in free phase based on range adjusting[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(2): 274-279. (in Chinese)

Algorithm of trajectory prediction in free phase based on range adjusting

  • Received Date: 29 Apr 2013
  • Publish Date: 20 Feb 2014
  • Radar has the characteristic that range accuracy is higher than angle accuracy. With taking full use of the asymmetrical measurement, a method of trajectory prediction in free phase based on the range adjusting was put forward. On the basis of ballistic missile movement data in free phase measured by radar, the method dealed with the data with the sliding window midpoint smoothing means, reused the range information to dynamically differential correct the orbital elements, improving the utilization of measured data and the accuracy of trajectory prediction. Simulation results show that the method is evidently better than the basic elliptical trajectory, and greatly enhances the accuracy of trajectory prediction.

     

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