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短脈沖非相參雷達(dá)的補(bǔ)償相參處理方法研究

汪海波 黃文華 姜悅

汪海波, 黃文華, 姜悅. 短脈沖非相參雷達(dá)的補(bǔ)償相參處理方法研究[J]. 電子與信息學(xué)報(bào), 2018, 40(8): 1823-1828. doi: 10.11999/JEIT171147
引用本文: 汪海波, 黃文華, 姜悅. 短脈沖非相參雷達(dá)的補(bǔ)償相參處理方法研究[J]. 電子與信息學(xué)報(bào), 2018, 40(8): 1823-1828. doi: 10.11999/JEIT171147
Haibo WANG, Wenhua HUANG, Yue JIANG. Compensative Coherent Processing Algorithm for Short Pulse Non-coherent Radar[J]. Journal of Electronics & Information Technology, 2018, 40(8): 1823-1828. doi: 10.11999/JEIT171147
Citation: Haibo WANG, Wenhua HUANG, Yue JIANG. Compensative Coherent Processing Algorithm for Short Pulse Non-coherent Radar[J]. Journal of Electronics & Information Technology, 2018, 40(8): 1823-1828. doi: 10.11999/JEIT171147

短脈沖非相參雷達(dá)的補(bǔ)償相參處理方法研究

doi: 10.11999/JEIT171147
詳細(xì)信息
    作者簡(jiǎn)介:

    汪海波:男,1987年生,工程師,研究方向?yàn)楦吖β饰⒉夹g(shù)和雷達(dá)信號(hào)處理

    黃文華:男,1968年生,研究員,博士生導(dǎo)師,研究方向?yàn)楦吖β饰⒉夹g(shù)

    姜悅:女,1989年生,工程師,研究方向?yàn)楦吖β饰⒉夹g(shù)、特征提取與目標(biāo)識(shí)別

    通訊作者:

    汪海波? wanghaibo@nint.ac.cn

  • 中圖分類號(hào): TN951

Compensative Coherent Processing Algorithm for Short Pulse Non-coherent Radar

  • 摘要: 為了對(duì)短脈沖非相參雷達(dá)信號(hào)進(jìn)行相參處理,該文根據(jù)其信號(hào)特征,建立了參數(shù)化信號(hào)模型。分析了信號(hào)非相參因素,提出了以匹配濾波和參數(shù)估計(jì)為基礎(chǔ)的補(bǔ)償相參處理算法。通過理論推導(dǎo)證明了對(duì)點(diǎn)目標(biāo)進(jìn)行補(bǔ)償相參處理的可行性。并對(duì)距離擴(kuò)展目標(biāo)進(jìn)行了理論分析,推導(dǎo)出其獲得近似的補(bǔ)償相參增益所需要滿足的條件。并通過仿真驗(yàn)證了理論分析結(jié)果。
  • 圖  1  短脈沖非相參雷達(dá)系統(tǒng)組成

    圖  2  補(bǔ)償相參方法

    圖  3  頻率估計(jì)的廣義最大似然方法

    圖  4  點(diǎn)目標(biāo)補(bǔ)償前的信號(hào)和補(bǔ)償相參積累信號(hào)波形幅度

    圖  5  時(shí)域物理光學(xué)構(gòu)建計(jì)算目標(biāo)回波幅度

    圖  6  飛機(jī)補(bǔ)償前的信號(hào)和補(bǔ)償相參積累信號(hào)波形幅度

    表  1  補(bǔ)償相參積累的信噪比增益與理論值比較

    M 理論值(dB) 仿真估計(jì)值(dB)
    點(diǎn)目標(biāo) 距離擴(kuò)展目標(biāo)
    2 3.01 3.13 2.06
    3 4.77 4.52 4.08
    5 6.99 6.61 5.36
    10 10.00 10.11 9.85
    20 13.01 12.92 12.27
    50 16.99 17.00 16.39
    100 20.00 19.95 19.49
    下載: 導(dǎo)出CSV
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出版歷程
  • 收稿日期:  2017-12-04
  • 修回日期:  2018-05-15
  • 網(wǎng)絡(luò)出版日期:  2018-06-07
  • 刊出日期:  2018-08-01

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