| 一种激光雷达测量海洋光学参数的新方法 |
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| 引用本文： | 李志刚,刘智深,朱林伟.一种激光雷达测量海洋光学参数的新方法[J].应用光学,2016,37(1):142-146. |
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| 作者姓名： | 李志刚 刘智深 朱林伟 |
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| 作者单位： | 1.鲁东大学 物理与光电工程学院,山东 烟台 264000; |
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| 基金项目： | 国家自然科学基金（41206003）;山东省自然科学基金(ZR2012DQ010);校基金（LY2013028）资助课题 |
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| 摘 要： | 为了拓展海洋光学参数的激光遥感测量手段，借鉴高光谱分辨率多普勒激光雷达对大气散射信号的测量机制，提出了一种利用激光雷达水下后向散射信号测量海洋固有光学参数的新方法。在原理方面，描述了测量系统的组成和利用碘分子吸收滤波器实现水分子瑞利散射信号和悬浮物米散射信号的光谱分离测量方法, 在结论方面，给出了利用海水激光后向散射信号实现海水悬浮物后向散射系数和海水体消光系数的具体反演算法。
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| 关 键 词： | 激光雷达 海洋光学参数 高光谱分辨率 吸收系数 后向散射系数 |
New method for measuring ocean optical parameters by lidar |
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| Institution: | 1.School of Physics and Optoelectronic Engineering,Ludong University,Yantai 264000,China;2.Ocean Remoting Sensing Institute,Ocean University of China,Qingdao 266003,China |
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| Abstract: | In order to develop the laser remote sensing ways for the acquisition of ocean optical parameters, a new method was presented to measure the ocean internal optical parameters using subsurface backscattering signal of lidar, based on the application of high spectral resolution lidar (HSRL) in the measurement of atmosphere backscattering. In theory,the system building and the method of separation measurement of the backscattering signal from water molecules (Rayleigh scattering) and suspended particles (Mie scattering) using iodine molecules absorption filter were introduced. In result, the specific inversion algorithm for calculating the backscattering coefficient and the extinction coefficient of the sea water was presented. |
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