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基于大气多次散射的波浪水下偏振模式研究

顾敬桥 李高杰 胡鹏伟 钱建强

顾敬桥, 李高杰, 胡鹏伟, 钱建强. 基于大气多次散射的波浪水下偏振模式研究[J]. 中国光学(中英文), 2023, 16(6): 1324-1332. doi: 10.37188/CO.2022-0223
引用本文: 顾敬桥, 李高杰, 胡鹏伟, 钱建强. 基于大气多次散射的波浪水下偏振模式研究[J]. 中国光学(中英文), 2023, 16(6): 1324-1332. doi: 10.37188/CO.2022-0223
GU Jing-qiao, LI Gao-jie, HU Peng-wei, QIAN Jian-qiang. The polarization mode of underwater waves based on atmospheric multiple scattering[J]. Chinese Optics, 2023, 16(6): 1324-1332. doi: 10.37188/CO.2022-0223
Citation: GU Jing-qiao, LI Gao-jie, HU Peng-wei, QIAN Jian-qiang. The polarization mode of underwater waves based on atmospheric multiple scattering[J]. Chinese Optics, 2023, 16(6): 1324-1332. doi: 10.37188/CO.2022-0223

基于大气多次散射的波浪水下偏振模式研究

doi: 10.37188/CO.2022-0223
基金项目: 国家重点研发计划(No.2020YFA0711200);国家自然科学基金(No.62227813)
详细信息
    作者简介:

    顾敬桥(1996—),男,吉林长春人,硕士研究生,2018年于北京航空航天大学获得学士学位,主要从事偏振光导航方面的研究。E-mail:qiaozai@outlook.com

    钱建强(1966—),男,博士,教授,博士生导师,1987年、1992年、2005年分别于山东大学、中国科学院电子光学所、清华大学获得学士、硕士、博士学位,现任北京航空航天大学物理学院应用物理系副主任。主要从事扫描探针显微学、激光精密测量、仿生偏振导航等方面的研究工作。E-mail:qianjq@buaa.edu.cn

  • 中图分类号: O436.3

The polarization mode of underwater waves based on atmospheric multiple scattering

Funds: Supported by the National Key R&D Program of China (No. 2020YFA0711200); National Natural Science Foundation of China(No.62227813)
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  • 摘要:

    太阳光经大气散射与水面折射后会形成有一定分布特性的水下偏振光,利用水下偏振光的偏振分布模式可实现水下导航。本文提出了基于波浪水面下偏振光分布模式的气-水模型,可用于计算大气多次散射后波浪折射影响下水下偏振光的偏振分布模式。模拟并对比分析了平静水面、正弦波浪与随机波浪下,不同太阳高度角的水下偏振光的偏振度和偏振角的分布图像,并通过水下实验进行了验证。水下偏振光模式模拟结果与实测结果的对比表明,利用该模型可以准确表征典型波浪水面下的偏振光分布模式特性,为提高水下偏振导航在水面波动条件下的环境适应性提供理论模型基础。

     

  • 图 1  太阳光的水下偏振传输模型[13]

    Figure 1.  Underwater polarized transmission model of sunlight[13]

    图 2  Monte Carlo方法模拟的实际大气环境中的光学过程原理图[17]

    Figure 2.  Schematic diagram of the light transmission of actual atmosphere simulated by Monte Carlo method[17]

    图 3  Snell窗[5]

    Figure 3.  Snell’s window[5]

    图 4  反向追踪仿真方法原理图

    Figure 4.  Schematic diagram of the reverse tracing simulation method

    图 5  太阳光在大气中发生单次Rayleigh散射的DOP和AOP分布,太阳天顶角分别为30°,60°,90°

    Figure 5.  The DOP and AOP distributions after single Rayleigh scattering of sunlight in the atmosphere. The zenith angles of the sun are 30°, 60°, and 90°, respectively

    图 6  太阳光在大气中发生多次Rayleigh散射的DOP和AOP分布,太阳天顶角分别为30°,60°,90°

    Figure 6.  The DOP and AOP distributions after multiple Rayleigh scattering of sunlight in the atmosphere. The zenith angles of the sun are 30°, 60°, and 90°, respectively

    图 7  大气多次散射光被平静水面折射到水中的DOP和AOP分布,太阳天顶角分别为30°,60°,90°

    Figure 7.  The distribution of DOP and AOP after multiple scattering of sunlight and refraction by calm water. The solar zenith angles are 30°, 60°, and 90°, respectively

    图 8  (a)正弦波形水面波;(b)大气多次散射光被正弦形状的水面折射到水中的DOP和AOP分布,太阳天顶角分别为30°,60°,90°

    Figure 8.  (a) Sinusoidal surface waves; (b) the underwater distribution of DOP and AOP after multiple scattering of sunlight and refraction by sinusoidal surface waves. The solar zenith angles are 30°, 60°, and 90°, respectively

    图 9  (a)随机波形水面波;(b)大气多次散射光被随机波形的水面折射到水中的DOP和AOP分布,太阳天顶角分别为30°,60°,90°

    Figure 9.  (a) Random surface wave; (b) the underwater distribution of DOP and AOP after multiple scattering of sunlight and refraction by random waveforms surface waves. The solar zenith angles are 30°, 60°, and 90°, respectively

    图 10  平静水面下的实测与模拟结果对比。(a)平静水面下的实测图片;(b)实测数据的DOP分布;(c)实测数据的AOP分布;(d) DOP模拟结果;(e) AOP模拟结果

    Figure 10.  Comparison of measured and simulated results under calm water. (a) Measured images under calm water; (b) DOP distribution of measured data; (c) AOP distribution of measured data; (d) results of DOP simulation; (e) results of AOP simulation

    图 11  高度角为65.054°时平静水面下的实测结果、理想大气模拟结果、加入气溶胶后的模拟结果对比

    Figure 11.  Comparison of measured results under calm water, simulation results under ideal atmosphere, and simulation results with adding aerosols when zenith angle is 65.054°

    图 12  随机波水面下DOP分布及Santa Barbara实测得到的DOP分布的对比图[16]。太阳天顶角分别为34°,58°,77°,88°

    Figure 12.  The DOP distribution under the random wave surface compared with the DOP distribution obtained from the actual measurement in Santa Barbara[16]. The solar zenith angles are 34°, 58°, 77°, 88°, respectively

    图 13  随机波水面下AOP分布及Santa Barbara实测得到的AOP分布的对比图[16]。太阳天顶角分别为34°,58°,77°,88°

    Figure 13.  The AOP distribution under the random wave surface compared with the AOP distribution obtained from the actual measurement in Santa Barbara[16]. The solar zenith angle is 34°, 58°, 77°, 88°, respectively

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出版历程
  • 收稿日期:  2022-10-28
  • 修回日期:  2022-11-23
  • 网络出版日期:  2023-04-14

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