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研究多重散射效应对舰船尾流气泡群光散射强度和偏振特征的影响是舰船光尾流探测以及新型光自导鱼雷研究的基础. 基于矢量Monte Carlo方法建立了舰船尾流气泡群激光后向探测仿真模型, 重点研究了尾流气泡群的多重散射机理,分析了多重散射效应、尾流气泡群密度对回波信号强度和偏振特征的影响规律. 基于粒子碰撞重要性抽样的基本思想, 在传统能量接收方法的基础上, 提出了回波光子偏振贡献接收方法和回波信号偏振信息统计方法, 解决了小视场系统光子返回概率低无法形成回波能量的难题. 构建了模拟尾流气泡群激光散射强度和偏振探测实验平台, 从实验的角度验证了模拟结果的准确性. 实验和模拟结果的一致性表明, 利用回波强度、偏振信息可表征气泡群距离、密度信息, 从而可对舰船尾流特别是低密度尾流进行高精度的探测和辨识.
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关键词:
- Monte Carlo /
- 偏振 /
- 多重散射 /
- 气泡
It is the research foundation of ship wake detection by laser and new-generation optical homing torpedo to investigate the influence of multiple scattering effect on light scattering intensity and polarization characteristics of the ship wake bubbles. The simulation model of laser back-scattering detection by ship wake bubbles is based on vector Monte Carlo method, and the multiple scattering mechanism is studied. The influences of multiple scattering effect and the bubble density in ship wake on the light scattering intensity and polarization characteristics of echo signal are analyzed. The echo photon polarization contribution reception method and the echo signal polarization statistical method are proposed to solve the problem that the low photon return probability cannot form the echo energy in the system with small receiver field of view. These methods are based on the basic idea of the particle collision importance sampling and the traditional energy receiving method. The polarization detection experimental platform for the simulated wake bubbles is built and the accuracy of the simulation results is verified in experiment. The consistence of the experimental and simulation results shows that the bubble distance and density information can be characterized by echo intensity, polarization information and the echo signal intensity, and the polarization characteristics can be used to detect and distinguish the ship wake bubbles, or even a low density wake bubbles with high precision.-
Keywords:
- Monte Carlo /
- polarization /
- multiple scattering /
- bubble
[1] Stanic S, Caruthers J W, Goodman R R, Kennedy E, Brown R A 2009 IEEE J. Oceanic Eng. 34 83
[2] Ulloa O, Sathyendranath S, Platt T 1994 Appl. Opt. 33 7070
[3] Zhang X D, Lewis M, Johnson B 1998 Appl. Opt. 37 6525
[4] Qiu H H 2003 J. Opt. Soc. Am. A 20 690
[5] Kokhanovsky A A 2003 J. Opt. A: Pure Appl. Opt. 5 47
[6] Zhang X D, Marlon L. 2002 Limnology and Oceanography 47 1273
[7] Zhang J S 2001 Ph.D. Dissertation (Xi'an: Chinese Academy of Sciences, Xi'an Institute of Optics and Fine Mechanics) (in Chinese) [张建生 2001 博士学位论文 (西安：中国科学院西安光学精密机械研究所)]
[8] Shi S W, Wang J A, Jiang X Z, Ma Z G, Yu Y 2008 Acta Opt. Sin. 28 1861 (in Chinese) [石晟玮, 王江安, 蒋兴舟, 马治国, 余扬 2008 光学学报 28 1861]
[9] Liang S Y, Wang J A, Zhang F, Shi S W, Ma Z G, Liu T, Wang Y H 2012 Acta Phys. Sin. 61 110701 (in Chinese) [梁善勇, 王江安, 张峰, 石晟玮, 马治国, 刘涛, 王雨虹 2012 61 110701]
[10] Kokhanovsky A A 2003 Appl. Opt. 5 47
[11] Wang C P, Qu H M, Chen Q 2007 Optoelect. Technol. 27 44 (in Chinese) [王春平, 屈惠明, 陈钱 2007 光电子技术 27 44]
[12] Ramella-Roman J C, Prahl S A, Jacques S L 2005 Opt. Express 13 4420
[13] Wang L, Xu Z H, Feng H J 2005 Acta Phys. Sin. 54 2694 (in Chinese) [王凌, 徐之海, 冯华君 2005 54 2694]
[14] Su H M, Zheng X G, Wang X, Xu J F, Wang H Z 2002 Acta Phys. Sin. 51 1044 (in Chinese) [苏慧敏, 郑锡光, 王霞, 许剑锋, 汪河洲 2002 51 1044]
[15] Wang M G, Li T J, Jian S S 2003 Acta Phys. Sin. 52 2818 (in Chinese) [王目光, 李唐军, 简水生 2003 52 2818]
[16] Zhang Q D, Li Y D, Deng X J 2011 Acta Phys. Sin. 60 084216 (in Chinese) [张启兴, 李耀东, 邓小玖 2011 60 084216]
[17] Zhao T F, Ke X Z 2012 Acta Phys. Sin. 61 114208 (in Chinese) [赵太飞, 柯熙政 2012 61 114208]
[18] Takano Y, Liou K N 2010 Appl. Opt. 49 3990
[19] Yang P, Wei H, Kattawar G W, Hu Y X, Winker D M, Hostetler C A, Baum B A 2003 Appl. Opt. 42 4389
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[1] Stanic S, Caruthers J W, Goodman R R, Kennedy E, Brown R A 2009 IEEE J. Oceanic Eng. 34 83
[2] Ulloa O, Sathyendranath S, Platt T 1994 Appl. Opt. 33 7070
[3] Zhang X D, Lewis M, Johnson B 1998 Appl. Opt. 37 6525
[4] Qiu H H 2003 J. Opt. Soc. Am. A 20 690
[5] Kokhanovsky A A 2003 J. Opt. A: Pure Appl. Opt. 5 47
[6] Zhang X D, Marlon L. 2002 Limnology and Oceanography 47 1273
[7] Zhang J S 2001 Ph.D. Dissertation (Xi'an: Chinese Academy of Sciences, Xi'an Institute of Optics and Fine Mechanics) (in Chinese) [张建生 2001 博士学位论文 (西安：中国科学院西安光学精密机械研究所)]
[8] Shi S W, Wang J A, Jiang X Z, Ma Z G, Yu Y 2008 Acta Opt. Sin. 28 1861 (in Chinese) [石晟玮, 王江安, 蒋兴舟, 马治国, 余扬 2008 光学学报 28 1861]
[9] Liang S Y, Wang J A, Zhang F, Shi S W, Ma Z G, Liu T, Wang Y H 2012 Acta Phys. Sin. 61 110701 (in Chinese) [梁善勇, 王江安, 张峰, 石晟玮, 马治国, 刘涛, 王雨虹 2012 61 110701]
[10] Kokhanovsky A A 2003 Appl. Opt. 5 47
[11] Wang C P, Qu H M, Chen Q 2007 Optoelect. Technol. 27 44 (in Chinese) [王春平, 屈惠明, 陈钱 2007 光电子技术 27 44]
[12] Ramella-Roman J C, Prahl S A, Jacques S L 2005 Opt. Express 13 4420
[13] Wang L, Xu Z H, Feng H J 2005 Acta Phys. Sin. 54 2694 (in Chinese) [王凌, 徐之海, 冯华君 2005 54 2694]
[14] Su H M, Zheng X G, Wang X, Xu J F, Wang H Z 2002 Acta Phys. Sin. 51 1044 (in Chinese) [苏慧敏, 郑锡光, 王霞, 许剑锋, 汪河洲 2002 51 1044]
[15] Wang M G, Li T J, Jian S S 2003 Acta Phys. Sin. 52 2818 (in Chinese) [王目光, 李唐军, 简水生 2003 52 2818]
[16] Zhang Q D, Li Y D, Deng X J 2011 Acta Phys. Sin. 60 084216 (in Chinese) [张启兴, 李耀东, 邓小玖 2011 60 084216]
[17] Zhao T F, Ke X Z 2012 Acta Phys. Sin. 61 114208 (in Chinese) [赵太飞, 柯熙政 2012 61 114208]
[18] Takano Y, Liou K N 2010 Appl. Opt. 49 3990
[19] Yang P, Wei H, Kattawar G W, Hu Y X, Winker D M, Hostetler C A, Baum B A 2003 Appl. Opt. 42 4389
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