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论文:2013,Vol:31,Issue(1):129-133 |
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引用本文： |
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田晶, 陈航, 许望洋. 舰船尾流微气泡光偏振特性分析[J]. 西北工业大学 |
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Tian Jing, Chen Hang, Xu Wangyang. Some Useful Results for Detecting Ship Wake Obtained from Depolarization of Light Scattered from Micro-Bubbles[J]. Northwestern polytechnical university |
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| 舰船尾流微气泡光偏振特性分析 |
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| 田晶1, 陈航1, 许望洋2 |
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1. 西北工业大学 航海学院, 陕西 西安 710072;
2. 西北工业大学 计算机学院, 陕西 西安 710072 |
| 摘要: |
| 用利光散射原理和Mie理论,建立舰船尾流光散射模型,并着重用线偏振光对气泡进行散射仿真,模拟线偏振光经过尾流气泡后,前向散射光与后向散射光的退偏效应的差异,进而提出一种尾流测量的新方法。文章计算了尾流中微小气泡在不同半径、入射光波长和不同散射角条件下光的退偏特性。结果表明,入射光通过尾流气泡散射后,散射光的偏振效应前向退偏程度比后向退偏程度更强,且不同波长入射光和不同直径气泡表现出不同偏振特征,表明对偏振光退偏效应进行探测携带信息量大、容易识别,这对用偏振光进行舰船尾流探测有着重要意义。 |
| 关键词:
后向散射
电磁波偏振
前向散射
Mie散射
舰船尾流
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| Some Useful Results for Detecting Ship Wake Obtained from Depolarization of Light Scattered from Micro-Bubbles |
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| Tian Jing1, Chen Hang1, Xu Wangyang2 |
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1. College of Marine Engineering, Northwestern Polytechnical University, Xi'an 710072, China;
2. Department of Computer Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, China |
| Abstract: |
| Sections 1 and 2 explain what we believe to be some useful results mentioned in the title.Their core con-sists of:(1) based on the Mie scattering theory, a model is established and the polarization degree of light scatteredfrom micro-bubbles are calculated and compared for different parameter wavelengths and scattering angles; thecharacteristics of light scattered from microbubbles can be used to recognize ship wake; (2) the results indicatethat the effect on the depolarization by microbubble forward scattering is much more than that of its backscattering;(3) the polarization properties of light scattered from microbubbles are selective in parameter wavelength;the re-sults appear to be useful for the detection of ship wake. |
| Key words:
backscattering
calculations
electromagnetic wave polarization
forward scattering
mathematicalmodels
schematic diagrams;Mie scattering
ship wake
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| 收稿日期: 2012-03-13
修回日期:
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| DOI: |
| 基金项目: 西北工业大学研究生创业种子基金(Z2012002)资助 |
| 通讯作者:
Email： |
| 作者简介: 田晶(1986-)，女，西北工业大学博士研究生，主要从事目标识别与探测的研究。
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| 相关功能 |
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| 作者相关文章 |
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| 田晶 在本刊中的所有文章 |
| 陈航 在本刊中的所有文章 |
| 许望洋 在本刊中的所有文章 |
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