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Yang Yunlong, Mao Xingpeng, Dong Yingning, Deng Weibo. Space-polarization Collaborative Suppression Method for Ionospheric Clutter in HFSWR[J]. Journal of Radars, 2016, 5(6): 673-680. doi: 10.12000/JR16024
Citation: Yang Yunlong, Mao Xingpeng, Dong Yingning, Deng Weibo. Space-polarization Collaborative Suppression Method for Ionospheric Clutter in HFSWR[J]. Journal of Radars, 2016, 5(6): 673-680. doi: 10.12000/JR16024
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Space-polarization Collaborative Suppression Method for Ionospheric Clutter in HFSWR

DOI: 10.12000/JR16024
  • 1.

    (School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin 150001, China)

  • 2.

    (Collaborative Innovation Center of Information Sensing and Understanding at Harbin Institute of Technology, Harbin 150001, China)

Funds:

The National Natural Science Foundation of China (61171180),Fundamental Research Funds for the CentralUniversities (HIT.MKSTISP.2016 26)

  • Received Date: 2016-01-28
  • Rev Recd Date: 2016-06-15
  • Publish Date: 2016-12-28
    Abstract
  • High Frequency Surface Wave Radar (HFSWR) is able to receive surface target and low-flying aircraft echoes at a long-distance, but it suffers severely from ionospheric clutter.In this paper, a spacepolarization collaborative-based filter is introduced to mitigate ionospheric clutter.For parameter estimation on ionospheric clutter used for filters, a spatial parameter estimation algorithm based on compressive sensing is introduced to the DOA estimation of ionospheric clutter.In addition, a polarized parameter estimation algorithm based on statistical characteristics is proposed for ionospheric clutter in the range-Doppler spectrum.Higher estimation accuracy is achieved as a result of the range-Doppler spectrum;therefore, these two estimation algorithms enhance the performance of the space-polarization collaborative suppression method for ionospheric clutter.Experimental results of practical dual-polarized HFSWR data show the effectiveness of the two algorithms and the above mentioned filter for ionospheric clutter suppression.

     

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