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首页> 外文期刊>Applied optics >Validation of space-based polarization measurements by use of a single-scattering approximation, with application to the Global Ozone Monitoring Experiment
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Validation of space-based polarization measurements by use of a single-scattering approximation, with application to the Global Ozone Monitoring Experiment

机译：通过单散射近似验证天基极化测量，并将其应用于全球臭氧监测实验

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摘要

A method is presented for in-flight validation of space-based polarization measurements based on approximation of the direction of polarization of scattered sunlight by the Rayleigh single-scattering value. This approximation is verified by simulations of radiative transfer calculations for various atmospheric conditions. The simulations show locations along an orbit where the scattering geometries are such that the intensities of the parallel and orthogonal polarization components of the light are equal, regardless of the observed atmosphere and surface. The method can be applied to any space-based instrument that measures the polarization of reflected solar light. We successfully applied the method to validate the Global Ozone Monitoring Experiment (GOME) polarization measurements. The error in the GOME's three broadband polarization measurements appears to be similar to1%. (C) 2003 Optical Society of America. [References: 21]
机译：提出了一种基于瑞利单散射值近似估计散射太阳光偏振方向的基于空间的偏振测量的飞行中验证方法。通过模拟各种大气条件下的辐射传递计算可以验证这种近似。模拟显示了沿着轨道的位置，在这些位置处的散射几何形状使得光的平行和正交偏振分量的强度相等，而与观察到的大气和表面无关。该方法可以应用于测量反射太阳光偏振的任何天基仪器。我们成功地将该方法用于验证全球臭氧监测实验（GOME）极化测量。国美的三项宽带极化测量中的误差似乎接近1％。 （C）2003年美国眼镜学会。 [参考：21]

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