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曲线机动情况下水下自主平台的改进被动合成孔径算法研究

金盛龙 李宇 黄海宁

金盛龙, 李宇, 黄海宁. 曲线机动情况下水下自主平台的改进被动合成孔径算法研究[J]. 电子与信息学报, 2018, 40(9): 2265-2272. doi: 10.11999/JEIT171225
引用本文: 金盛龙, 李宇, 黄海宁. 曲线机动情况下水下自主平台的改进被动合成孔径算法研究[J]. 电子与信息学报, 2018, 40(9): 2265-2272. doi: 10.11999/JEIT171225
Shenglong JIN, Yu LI, Haining HUANG. An Improved Passive Synthetic Aperture Algorithm Based on Curvilinear Maneuverability of Autonomous Underwater Vehicles[J]. Journal of Electronics & Information Technology, 2018, 40(9): 2265-2272. doi: 10.11999/JEIT171225
Citation: Shenglong JIN, Yu LI, Haining HUANG. An Improved Passive Synthetic Aperture Algorithm Based on Curvilinear Maneuverability of Autonomous Underwater Vehicles[J]. Journal of Electronics & Information Technology, 2018, 40(9): 2265-2272. doi: 10.11999/JEIT171225

曲线机动情况下水下自主平台的改进被动合成孔径算法研究

doi: 10.11999/JEIT171225
基金项目: 国家自然科学基金(11504402),“率先计划”项目(SXJH201603)
详细信息
    作者简介:

    金盛龙:男,1993 年生,博士生,研究方向为水声信号处理、阵列信号处理

    李宇:男,1977 年生,研究员,博士,研究方向为主被动声呐信号处理、空时自适应信号处理

    黄海宁:男,1969 年生,研究员,博士生导师,研究方向为阵列信号处理、水下无线传感器网络、合成孔径声呐

    通讯作者:

    李宇  ly@mail.ioa.ac.cn

  • 中图分类号: TB566

An Improved Passive Synthetic Aperture Algorithm Based on Curvilinear Maneuverability of Autonomous Underwater Vehicles

Funds: The National Natural Science Foundation of China (11504402), The Pioneering Action Initiative (SXJH201603)
  • 摘要: 水下自主无人平台(AUV)在曲线机动情况下利用传统ETAM方法扩展孔径时,目标方位估计结果无法聚焦到真实方位,估计偏差严重,针对这一问题,该文结合运动补偿提出一种新的ETAM算法。该算法将波束域与阵元域结合处理,在波束域获取相位信息,在阵元域对相位信息进行线性拟合,有效克服曲线运动造成的相位误差,得到相位修正因子后对连续测量进行相位补偿,实现孔径扩展。仿真和试验结果表明,无论平台直线航行还是曲线机动,该算法在对比算法失效的情况下,仍具有很高的测向精度、角度分辨率及空间增益,且适用于多目标的分辨,在较低信噪比下对性能的改善更为明显,有较强的实用性和环境宽容性。
  • 图  1  阵列曲线运动的孔径扩展示意图

    图  2  仿真线阵运动轨迹

    图  3  信噪比0 dB的不同算法方位谱比较

    图  4  信噪比–10 dB的不同算法方位谱比较

    图  5  不同算法方位角估计均方根误差随输入信噪比变化情况

    图  6  目标方位75°和72°的不同算法方位谱比较

    图  7  不同算法方位角估计均方根误差变化情况

    图  8  某次海试UUV航迹

    图  9  海试方位历程图

    图  10  左舷第40 s转弯状态单帧方位谱

    图  11  左舷第300 s直航状态单帧方位谱

    图  12  转弯机动情况的检测结果

    表  1  转弯机动情况下对4种算法波束形成结果的检测概率(%)

    实孔径CBF 传统ETAM 阵元域改进ETAM 本文改进ETAM
    82.29 69.79 45.83 93.75
    下载: 导出CSV
  • JIANG Wei, QIN Guodong, and DONG Jian. Impact of aperture coherence on DOA estimation in passive synthetic array[C]. 2017 IEEE 4th International Conference on Information Science and Control Engineering, Changsha, China, 2017: 375–379. doi: 10.1109/ICISCE.2017.85.
    STERGIOPOULOS S and SULLIVAN E J. Extended towed array processing by an overlap correlator[J]. Journal of the Acoustical Society of America, 1989, 86(1): 158–171 doi: 10.1121/1.398335
    TONG P B, LIM H S, CHIA C S, et al. Extended towed array measurement: Beam-domain phase estimation and coherent summation[C]. IEEE OCEANS 2006-Asia Pacific, Singapore, 2006: 1–6. doi: 10.1109/OCEANSAP.2006.4393956.
    RAJAGOPAL R and RAO P R. Performance comparison of PASA beamforming algorithms[C]. IEEE International Symposium on Signal Processing and Its Applications, Gold Coast, Australia, 1996: 825–828. doi: 10.1109/ISSPA.1996.6475889.
    KIM S, YOUN D H, and LEE C. Temporal domain processing for a synthetic aperture array[J]. IEEE Journal of Oceanic Engineering, 2002, 27(2): 322–327 doi: 10.1109/JOE.2002.1002487
    WANG Yu, GONG Zaixiao, and ZHANG Renhe. An improved phase correction algorithm in extended towed array method for passive synthetic aperture[J]. Proceedings of Meetings on Acoustics, 2017, 30(1): 055007 doi: 10.1121/2.0000643
    SWANSON D C and CULVER R L. Small-aperture array processing for passive multi-target angle of arrival estimation[J]. Journal of the Acoustical Society of America, 2017, 142(4): 2030–2046 doi: 10.1121/1.5006910
    RAO S K. Comments on " discrete-time observability and estimability analysis for bearings-only target motion analysis”[J]. IEEE Transactions on Aerospace and Electronic Systems, 1998, 34(4): 1361–1367 doi: 10.1109/7.722722
    郭振宇, 林赟, 洪文, 等. 基于定标器相位梯度提取的圆迹SAR轨迹重建方法[J]. 电子与信息学报, 2015, 37(8): 1836–1842 doi: 10.11999/JEIT140950

    GUO Zhenyu, LIN Yun, HONG Wen, et al. Circular SAR trajectory reconstruction based on phase gradient of calibrators[J]. Journal of Electronics&Information Technology, 2015, 37(8): 1836–1842 doi: 10.11999/JEIT140950
    李宇, 黄勇, 黄海宁. 空时被动合成孔径阵列处理算法研究[J]. 信号处理, 2008, 24(3): 426–430 doi: 10.3969/j.issn.1003-0530.2008.03.019

    LI Yu, HUANG Yong, and HUANG Haining. Spatial-temporal processing methods for passive synthetic aperture array[J]. Journal of Signal Processing, 2008, 24(3): 426–430 doi: 10.3969/j.issn.1003-0530.2008.03.019
    赵闪, 孙长瑜, 陈新华, 等. 一种改进的被动合成孔径算法用于舰船辐射噪声检测[J]. 电子与信息学报, 2013, 35(2): 426–431 doi: 10.3724/SP.J.1146.2012.00879

    ZHAO Shan, SUN Changyu, CHEN Xinhua, et al. An improved passive synthetic aperture sonar algorithm application for detecting of the ship radiated noise[J]. Journal of Electronics&Information Technology, 2013, 35(2): 426–431 doi: 10.3724/SP.J.1146.2012.00879
    郁彦利, 王英民. 基于相位估计和线性拟合的运动补偿方法[J]. 压电与声光, 2011, 33(6): 894–897 doi: 10.3969/j.issn.1004-2474.2011.06.013

    YU Yanli and WANG Yingmin. Research on motion compensation based on phase estimation and linear fitting[J]. Piezoelectrics&Acoustooptics, 2011, 33(6): 894–897 doi: 10.3969/j.issn.1004-2474.2011.06.013
    LI Zheng, HUANG Yong, and HUANG Haining. Study of efficient broadband beamforming based on extended towed array measurement[C]. 2010 IEEE Youth Conference on Information, Computing and Telecommunications, Beijing, China, 2010: 323–326. doi: 10.1109/YCICT.2010.5713110.
    STERGIOPOULOS S and URBAN H. A new passive synthetic aperture technique for towed arrays[J]. IEEE Journal of Oceanic Engineering, 1992, 17(1): 16–25 doi: 10.1109/48.126950
    JIANG Wei, QIN Guodong, DONG Jian, et al. DOA estimation performance simulations and analysis with velocity errors for a passive synthetic array using single moving sensor[C]. 2017 IEEE 2nd Advanced Information Technology, Electronic and Automation Control Conference, Chongqing, China, 2017: 2128–2133. doi: 10.1109/IAEAC.2017.8054393.
    PAILHAS Y, PETILLOT Y, and MULGREW B. Increasing circular synthetic aperture sonar resolution via adapted wave atoms deconvolution[J].Journal of the Acoustical Society of America, 2017, 141(4): 2623–2632 doi: 10.1121/1.4979807.
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出版历程
  • 收稿日期:  2017-12-25
  • 修回日期:  2018-05-02
  • 网络出版日期:  2018-07-12
  • 刊出日期:  2018-09-01

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