Journal of Electronics (China)

, Volume 26, Issue 4, pp 443–447 | Cite as

Optimization on antenna pattern of spaceborne SAR with improved NSGA-II

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Abstract

Optimization of antenna array pattern used in a spaceborne Synthetic Aperture Radar (SAR) system is considered in this study. A robust evolutionary algorithm, Non-dominated Sorting Genetic Algorithms (the improved NSGA-II), is applied on a spaceborne SAR antenna pattern design. The system consists of two objective functions with two constraints. Pareto fronts are generated as a result of multi-objective optimization. After being validated by a test problem ZDT4, the algorithms are used to synthesize spaceborne SAR antenna radiation pattern. The good results with low Ambiguity-to-Signal Ratio (ASR) and high directivity are obtained in the paper.

Key words

Synthetic Aperture Radar (SAR) Radiation pattern Improved Non-dominated Sorting Genetic Algorithms (NSGA)-II Ambiguity-to-Signal Ratio (ASR) 

CLC index

TN82 
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References

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Copyright information

© Science Press, Institute of Electronics, CAS and Springer Berlin Heidelberg 2009

Authors and Affiliations

  • Jiang Xiao
    • 1
    • 2
  • Xiaoqing Wang
    • 1
    • 2
  • Minhui Zhu
    • 1
    • 2
  • Liu Xiao
    • 2
  1. 1.National Key Laboratory of Microwave Imaging TechnologyBeijingChina
  2. 2.Institute of ElectronicsChinese Academy of SciencesBeijingChina

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