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STAP Optimization of Airborne Phased Array Radar in Nonuniform Environment Based on EFA Algorithm

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  • Bin Tang
  • Xiaoxia Zheng
  • Mingxin Liu
  • Mengxu Fang

Abstract

EFA (extended factored approach) algorithm is the main method of space-time adaptive processing technology (STAP) for airborne phased array radar, but it is faced with many problems, such as large number of samples and large amount of calculation. Therefore, this paper uses a method of spatial data dimensionality reduction processing based on cyclic iterative calculation to optimize its STAP. The final experimental results show that, after spatial data dimensionality reduction processing optimization, the STAP performance of EFA algorithm is further expanded in the range of sample number adaptation; especially in the case of small sample number, the optimized STAP performance has been basically close to the ideal compared with other optimization schemes; tap performance also proves that the optimization scheme in this paper has better convergence speed and STAP performance.

Suggested Citation

  • Bin Tang & Xiaoxia Zheng & Mingxin Liu & Mengxu Fang, 2020. "STAP Optimization of Airborne Phased Array Radar in Nonuniform Environment Based on EFA Algorithm," Mathematical Problems in Engineering, Hindawi, vol. 2020, pages 1-11, August.
    • Handle: RePEc:hin:jnlmpe:3943041
    DOI: 10.1155/2020/3943041
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