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有源欺騙干擾環(huán)境下的DOA估計

王珊珊 劉崢 謝榮 冉磊

王珊珊, 劉崢, 謝榮, 冉磊. 有源欺騙干擾環(huán)境下的DOA估計[J]. 電子與信息學(xué)報, 2019, 41(5): 1040-1046. doi: 10.11999/JEIT180488
引用本文: 王珊珊, 劉崢, 謝榮, 冉磊. 有源欺騙干擾環(huán)境下的DOA估計[J]. 電子與信息學(xué)報, 2019, 41(5): 1040-1046. doi: 10.11999/JEIT180488
Shanshan WANG, Zheng LIU, Rong XIE, Lei RAN. DOA Estimation Under Active Deception Jamming Environment[J]. Journal of Electronics & Information Technology, 2019, 41(5): 1040-1046. doi: 10.11999/JEIT180488
Citation: Shanshan WANG, Zheng LIU, Rong XIE, Lei RAN. DOA Estimation Under Active Deception Jamming Environment[J]. Journal of Electronics & Information Technology, 2019, 41(5): 1040-1046. doi: 10.11999/JEIT180488

有源欺騙干擾環(huán)境下的DOA估計

doi: 10.11999/JEIT180488
基金項目: 博士后創(chuàng)新人才支持計劃(BX20180240)
詳細信息
    作者簡介:

    王珊珊:女,1996年生,博士生,研究方向為認(rèn)知雷達信號處理技術(shù)

    劉崢:男,1964年生,教授,博士生導(dǎo)師,研究方向為雷達信號處理的理論與系統(tǒng)設(shè)計、雷達精確制導(dǎo)技術(shù)、多傳感器信息融合等

    謝榮:男,1982年生,副教授,研究方向為陣列信號處理、雷達天線理論等

    冉磊:男,1989年生,博士后,研究方向為雷達成像技術(shù)

    通訊作者:

    劉崢 lz@xidian.edu.cn

  • 中圖分類號: TN911.7

DOA Estimation Under Active Deception Jamming Environment

Funds: The National Postdoctoral Program for Inno-vative Talents(BX20180240)
  • 摘要:

    針對有源欺騙干擾環(huán)境下基于小樣本的DOA估計問題,該文提出自適應(yīng)極化濾波(APF)聯(lián)合塊稀疏貝葉斯學(xué)習(xí)(BSBL)算法的DOA估計方法。首先,通過APF抑制干擾能量,提高信干比。然后,建立有源欺騙干擾環(huán)境下的稀疏貝葉斯模型,基于相鄰快拍相關(guān)性,利用BSBL算法進行DOA估計。仿真和實測數(shù)據(jù)處理結(jié)果表明,所提方法降低了干擾對BSBL算法的影響,且與APF聯(lián)合子空間類算法或最大似然算法(ML)相比,具有更高的空間分辨率和DOA估計精度。

  • 圖  1  APF聯(lián)合BSBL算法的測角性能分析

    圖  2  樣本數(shù)為5時DOA估計結(jié)果圖

    圖  3  干擾場景圖

    圖  4  干擾和彈載雷達方位角和仰角分布圖

    圖  5  實測數(shù)據(jù)測角均方根誤差圖

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出版歷程
  • 收稿日期:  2018-05-21
  • 修回日期:  2019-01-08
  • 網(wǎng)絡(luò)出版日期:  2019-01-25
  • 刊出日期:  2019-05-01

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