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基于优化理论的高频地波雷达海浪参数反演

李伦 吴雄斌 徐兴安

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基于优化理论的高频地波雷达海浪参数反演

李伦, 吴雄斌, 徐兴安

Optimization method for extracting ocean wave parameters from HFSWR

Li Lun, Wu Xiong-Bin, Xu Xing-An
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  • 针对从高频地波雷达海洋回波多普勒谱反演海浪参数的非线性积分方程,采用线性化近似可以转化为线性积分方程,类似于第一类Fredholm积分方程. 文中采用数值方法将线性积分方程转化为二次型最优化问题,并采用共轭梯度法来求解. 针对海浪参数的非负先验特性,在迭代过程中,加入非负约束项对共轭梯度法进行了改进. 在单部雷达和双部雷达情况下进行正演数值模拟,然后用模拟数据添加不同信噪比的随机噪声进行海浪参数反演,无论是单峰海浪谱还是有两个传播方向的双峰谱反演结果均表明了本文提出的算法在不同信噪比下的有效性.
    The principle of Doppler spectra detected by HFSWR (high-frequency-surface-wave radar) is given by a nonlinear integral equation from which can be extracted ocean wave parameters. By linearization, the equation can be transferred into a first kind of Fredholm integral equation approximately and can be displayed in a quadratic form. Conjunction gradient (CG) method is proposed to solve the optimization problem. Non-negative restriction is introduced to improve the involved CG algorithm and fit to the priori knowledge so that the ocean wave parameter is non-negative. Validity and accuracy of the proposed method are demonstrated by numerical simulation with different noise levels at one site and two sites.
    • 基金项目: 国家自然科学基金(批准号:60571065)和国家高技术研究发展计划(批准号:2009AA09A301,2012AA091701)资助的课题.
    • Funds: Project supported by the National Natural Science Foundation of China (Grant No. 60571065), and the National High Technology Research and Development Program of China (Grant Nos. 2009AA09A301, 2012AA 091701).
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    Green J J, Wyatt L R 2006 J. Atmospheric and Oceanic Technology 23 03501

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    Bi Y M, Liao M, Zhang M 2013 Acta Phys. Sin. 62 159301 (in Chinese) [毕研盟, 廖蜜, 张鹏 2013 62 159301]

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    He Y M, Du H D, Long Z Y, Huang S X 2012 Acta Phys. Sin. 61 024205 (in Chinese) [何明元, 杜华栋, 龙智勇, 黄思训 2012 61 024205]

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    Jiang Z H, Huang S X, He R, Zhou C T 2011 Acta Phys. Sin. 60 068401 (in Chinese) [姜祝辉, 黄思训, 何然, 周晨腾 2011 61 068401]

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    Wang Y F, Stepanova I E, Strakhov V N, Yagola A G 2011 Inverse Problems in Geophysics and Solution Methods (Beijing: Higher Education Press) p4 (in Chinese) [王彦飞等 2011 地球物理数值反演问题 (北京: 高等教育出版社) 第4页]

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    Zhong J, Huang S X, Fei J F, Du H D, Zhang L 2011 Chin. Phys. B 20 064301

    [26]

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  • [1]

    Tao Z M, Zhang Y C, Liu X Q 2004 Chin. Phys. 13 409

    [2]

    Zhang J P, Wu Z S, Zhao Z W 2012 Chin. Phys. B 21 109202

    [3]

    Zhou B, Liu W Q, Qi F 2001 Acta Phys. Sin. 50 091818 (in Chinese) [周斌, 刘文清, 齐峰 2001 50 091818]

    [4]

    Huang S X, Zhao X F, Sheng Z 2009 Chin. Phys. B 18 115084

    [5]

    Zhang Y M, Wang Y H, Zhan Z F 2010 Chin. Phys. B 19 084103

    [6]

    Zhang J P, Wu Z S, Wang B 2011 Chin. Phys. Lett. 28 034301

    [7]

    Sheng Z, Fang H X 2012 Chin. Phys. B 21 029301

    [8]

    Crombie D D 1953 Nature. 175 681

    [9]

    Barrick D E 1972 IEEE Trans. Antennas Propag. 20 012

    [10]

    Mao Y, Guo L X, Din H F, Liu W 2012 Acta Phys. Sin. 61 044201 (in Chinese) [毛媛, 郭立新, 丁惠芬, 刘伟 2012 61 044201]

    [11]

    Walsh J, Huang W, Gill E 2010 IEEE Trans. Antennas Propag. 58 092994

    [12]

    Wu X B, Li L, Li Y 2012 Ocean. Et Lim. Sinica. 43 02210 (in Chinese) [吴雄斌, 李伦, 李炎 2012 海洋与湖沼 43 02210]

    [13]

    Li L, Wu X B, Liu B, Long C 2013 Chinese J. Geophysics. 56 01219 (in Chinese) [李伦, 吴雄斌, 龙超, 刘斌 2013 地球 56 01219]

    [14]

    Yan S H, Wu X B, and Chen Z Z 2010 Progress in Electromagnetics Research Letter 14 79

    [15]

    Barrick D E 1977 Radio Sci. 12 03415

    [16]

    Lipa B J, Barrick D E 1986 Radio Sci. 21 0181

    [17]

    Howell R, Walsh J 1993 IEEE J. Oceanic Eng. 18 02296

    [18]

    Green J J, Wyatt L R 2006 J. Atmospheric and Oceanic Technology 23 03501

    [19]

    Hisaki Y 2009 J. of Atmospheric and OceanicTechnology 26 112444

    [20]

    Bi Y M, Liao M, Zhang M 2013 Acta Phys. Sin. 62 159301 (in Chinese) [毕研盟, 廖蜜, 张鹏 2013 62 159301]

    [21]

    He Y M, Du H D, Long Z Y, Huang S X 2012 Acta Phys. Sin. 61 024205 (in Chinese) [何明元, 杜华栋, 龙智勇, 黄思训 2012 61 024205]

    [22]

    Jiang Z H, Huang S X, He R, Zhou C T 2011 Acta Phys. Sin. 60 068401 (in Chinese) [姜祝辉, 黄思训, 何然, 周晨腾 2011 61 068401]

    [23]

    Hasselmann K 1971 Nature 299 16

    [24]

    Wang Y F, Stepanova I E, Strakhov V N, Yagola A G 2011 Inverse Problems in Geophysics and Solution Methods (Beijing: Higher Education Press) p4 (in Chinese) [王彦飞等 2011 地球物理数值反演问题 (北京: 高等教育出版社) 第4页]

    [25]

    Zhong J, Huang S X, Fei J F, Du H D, Zhang L 2011 Chin. Phys. B 20 064301

    [26]

    He R, Huang S X, Zhou C T, J Z H 2012 Acta Phys. Sin. 61 049201 (in Chinese) [何然, 黄思训, 周晨腾, 姜祝辉 2012 61 049201]

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出版历程
  • 收稿日期:  2013-09-14
  • 修回日期:  2013-10-27
  • 刊出日期:  2014-02-05

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