留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

二维海面上三维电大尺寸舰船目标电磁散射仿真

葛志闪 鲜宁 王津申 李阳

葛志闪, 鲜宁, 王津申, 等 . 二维海面上三维电大尺寸舰船目标电磁散射仿真[J]. 北京航空航天大学学报, 2018, 44(11): 2299-2304. doi: 10.13700/j.bh.1001-5965.2018.0105
引用本文: 葛志闪, 鲜宁, 王津申, 等 . 二维海面上三维电大尺寸舰船目标电磁散射仿真[J]. 北京航空航天大学学报, 2018, 44(11): 2299-2304. doi: 10.13700/j.bh.1001-5965.2018.0105
GE Zhishan, XIAN Ning, WANG Jinshen, et al. Simulation of electromagnetic scattering from 2D sea surface with 3D electrically large ship target[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(11): 2299-2304. doi: 10.13700/j.bh.1001-5965.2018.0105(in Chinese)
Citation: GE Zhishan, XIAN Ning, WANG Jinshen, et al. Simulation of electromagnetic scattering from 2D sea surface with 3D electrically large ship target[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(11): 2299-2304. doi: 10.13700/j.bh.1001-5965.2018.0105(in Chinese)

二维海面上三维电大尺寸舰船目标电磁散射仿真

doi: 10.13700/j.bh.1001-5965.2018.0105
详细信息
    作者简介:

    葛志闪  男, 硕士, 高级工程师。主要研究方向:武器系统总体技术

    王津申  男, 博士, 高级工程师。主要研究方向:目标特性、目标成像、目标识别技术

    通讯作者:

    王津申, E-mail:wangjinshen@buaa.edu.cn

  • 中图分类号: V221+.3;TB553

Simulation of electromagnetic scattering from 2D sea surface with 3D electrically large ship target

More Information
  • 摘要:

    目标特征的建模、仿真和分析对于合成孔径雷达(SAR)基于图像的自动识别(ATR)系统具有重要的意义。研究了海面舰船目标的电磁散射计算以及雷达成像仿真。基于矩量法及其并行计算方法,对电大尺寸舰船目标及与海面复合的散射特性进行了研究,给出了不同频带、空间方位、极化的散射特性。在频域对回波数据作离散傅里叶逆变换,得到海面舰船目标的一维距离像。运用极坐标格式成像算法得到其二维聚束SAR成像结果,清晰地重构目标的轮廓。

     

  • 图 1  舰船CAD模型

    Figure 1.  Ship CAD model

    图 2  海面与舰船的整体剖分图

    Figure 2.  Meshes of integrated sea surface and ship

    图 3  舰船的RCS方位特性和频率特性曲线

    Figure 3.  Azimuthal characteristic and frequency characteristic curves of ship RCS

    图 4  舰船单站全极化RCS (入射波频率为5 GHz)

    Figure 4.  Monostatic full polarization RCS of ship (incident wave frequency is 5 GHz)

    图 5  单独海面在二级和四级海情下RCS (入射波频率为1 GHz)

    Figure 5.  RCS of sea surface along for sea state of two and four (incident wave frequency is 1 GHz)

    图 6  海面(有/无舰船)在二级和四级海情下RCS (入射波频率为1 GHz)

    Figure 6.  RCS of sea surface with/without ship for sea state of two and four (incident wave frequency is 1 GHz)

    图 7  雷达波照射目标/粗糙面

    Figure 7.  Radar waves illuminating target/rough surface

    图 8  舰船目标的一维距离像

    Figure 8.  1D range profile of ship target

    图 9  舰船目标一维距离像历程图

    Figure 9.  1D HRRP of ship target with different target aspects

    图 10  海面舰船二维成像对比

    Figure 10.  Comparison of 2D imaging of ship on sea surface

  • [1] YE H, JIN Y Q.A hybrid KA-MoM algorithm for computation of scattering from a 3-D PEC target above a dielectric rough surface[J].Radio Science, 2008, 43(3):1-15. http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=966ffbb8415c61c9311da1bd986f8e8d
    [2] PINO M R, LANDESA L, RODRIGUEZ J L, et al.The generalized forward-backward method for analyzing the scattering from targets on ocean-like rough surfaces[J].IEEE Transactions on Antennas and Propagation, 1999, 47(6):961-969. doi: 10.1109/8.777118
    [3] LIU P, JIN Y Q.Numerical simulation of bistatic scattering from a target at low altitude above rough sea surface under an EM-wave incidence at low grazing angle by using the finite element method[J].IEEE Transactions on Antennas and Propagation, 2004, 52(5):1205-1210. doi: 10.1109/TAP.2004.827497
    [4] LUO W, ZHANG M, ZHOU P, et al.Composite scattering from the electrically very large ship-sea model using the hybrid high-frequency method[J].Chinese Physics Letters, 2009, 26(11):114101. doi: 10.1088/0256-307X/26/11/114101
    [5] ZHANG X Y, SHENG X Q.Highly efficient hybrid method for monostatic scattering by objects on a rough surface[J].IET Microwaves, Antennas & Propagation, 2010, 4(10):1597-1604. http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=33d46e0bdbfb9bac71ea70362293c507
    [6] WRIGHT J.Backscattering from capillary waves with application to sea clutter[J].IEEE Transactions on Antennas & Propagation, 1966, 14(6):749-754. http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1138799
    [7] VORONOVICH A.Small-slope approximation for electromagnetic wave scattering at a rough interface of two dielectric half-spaces[J].Waves in Random Media, 1994, 4(3):337-367. doi: 10.1088/0959-7174/4/3/008
    [8] THORSOS E I.The validity of the Kirchhoff approximation for rough surface scattering using a Gaussian roughness spectrum[J].The Journal of the Acoustical Society of America, 1988, 83(1):78-92. doi: 10.1121/1.396188
    [9] JOHNSON J T.A numerical study of scattering from an object above a rough surface[J].IEEE Transactions on Antennas and Propagation, 2002, 50(10):1361-1367. doi: 10.1109/TAP.2002.802152
    [10] LIU Z, HE J, XIE Y, et al.Multilevel fast multipole algorithm for general targets on a half-space interface[J].IEEE Transactions on Antennas and Propagation, 2002, 50(12):1838-1849. doi: 10.1109/TAP.2002.807425
    [11] SONG J, LU C C, CHEW W C.Multilevel fast multipole algorithm for electromagnetic scattering by large complex objects[J].IEEE Transactions on Antennas & Propagation, 2002, 45(10):1488-1493. http://www.emeraldinsight.com/servlet/linkout?suffix=b27&dbid=16&doi=10.1108%2F03321640510571075&key=10.1109%2F8.633855
    [12] 余定峰, 陈谦, 姚菁晶, 等.海上舰船目标HRRP特性仿真[J].系统工程与电子技术, 2010, 32(12):2552-2556. doi: 10.3969/j.issn.1001-506X.2010.12.13

    YU D F, CHEN Q, YAO J J, et al.Simulation of HRRP characteristics for maritime ship targets[J].Systems Engineering and Electronics, 2010, 32(12):2552-2556(in Chinese). doi: 10.3969/j.issn.1001-506X.2010.12.13
    [13] 郭琨毅, 唐波, 盛新庆.复杂目标F-117A电磁散射特性及一维距离像的仿真[J].红外与激光工程, 2007, 36(z2):407-410. doi: 10.3969/j.issn.1007-2276.2007.z2.103

    GUO K Y, TANG B, SHENG X Q.Electromagnetic characteristics and range profile of complex F-117A target[J].Infrared and Laser Engineering, 2007, 36(z2):407-410(in Chinese). doi: 10.3969/j.issn.1007-2276.2007.z2.103
    [14] PIERSON W J, MOSKOWITZ L.A proposed spectral form for fully developed wind seas based on the similarity theory of SA Kitaigorodskii[J].Journal of Geophysical Research, 1964, 69(24):5181-5190. doi: 10.1029/JZ069i024p05181
    [15] 黄培康, 殷红成, 许小剑.雷达目标特性[M].北京:电子工业出版社, 2005.

    HUANG P K, YIN H C, XU X J.Radar target characteristics[M].Beijing:Publishing House of Electronics Industry, 2005(in Chinese).
    [16] GORHAM L A, MOORE L J.SAR image formation toolbox for MATLAB[C]//Conference on Algorithms for Synthetic Aperture Radar Imagery XVⅡ.Bellingham: SPIE, 2010: 769906.
  • 加载中
图(10)
计量
  • 文章访问数:  667
  • HTML全文浏览量:  148
  • PDF下载量:  528
  • 被引次数: 0
出版历程
  • 收稿日期:  2018-03-01
  • 录用日期:  2018-06-08
  • 网络出版日期:  2018-11-20

目录

    /

    返回文章
    返回
    常见问答