Volume 5 Issue 4
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Article Navigation >  Journal of Radars  > 2016  >  5(4): 378-388
Hong Yongbin, Zhang Yong, Lu Zhenxing, Huang Wei. An Efficient Contrast-based Motion Compensation Algorithm for Stepped-frequency Radar[J]. Journal of Radars, 2016, 5(4): 378-388. doi: 10.12000/JR16068
Citation: Hong Yongbin, Zhang Yong, Lu Zhenxing, Huang Wei. An Efficient Contrast-based Motion Compensation Algorithm for Stepped-frequency Radar[J]. Journal of Radars, 2016, 5(4): 378-388. doi: 10.12000/JR16068
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An Efficient Contrast-based Motion Compensation Algorithm for Stepped-frequency Radar

doi: 10.12000/JR16068
  • 1.

    (The 54th Research Institute of CETC, Shijiazhuang 050081, China)

  • 2.

    (DFH Satellite Co., Ltd, Beijing 100094, China)

Funds:

The National Ministries Foundation

  • Received Date: 2016-04-14
  • Rev Recd Date: 2016-08-11
  • Publish Date: 2016-08-28
    Abstract
  • In stepped-frequency radar, the contrast cost function can be used to estimate the target radial velocity and acceleration, and therefore reduce range profile distortions. However, the contrast cost surface fluctuates sharply in the velocity and acceleration space, which greatly limits the efficiency of the algorithm. In this study, the cause of this fluctuation is analyzed and its elimination is formulated analytically through strict formula derivation. Based on intensive study of the inherent properties of the contrast cost surface, a novel and highly efficient target motion compensation algorithm is presented. Theoretical analysis and simulations confirm the effectiveness and feasibility of this new algorithm.

     

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