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中文摘要：
气溶胶散射特性对大气辐射和气候研究有重要意义,为了解气溶胶在不同相对湿度下的散射特性,在米耶散射理论基础上建立湿度偏振模型,仿真分析不同湿度下3种气溶胶粒子的散射光强度和线偏振度变化。结果表明：湿度对气溶胶粒子的散射强度几乎没有影响,在后向散射角120°～150°区域,粒子偏振度随湿度的变化而变化;对130°和140°后向散射角的偏振度与湿度仿真,得到粒子偏振度随着湿度的增大而增大。仿真结果从理论上说明了利用散射光偏振特性分析湿度与气溶胶散射特性的关系是可行的。
英文摘要：
Aerosol scattering characteristics has important meaning for atmospheric radiation and climate research,in order to know scattering properties of aerosol in different relative humidity,on the basis of Mie scattering theory,set up humidity polarization model,simulation analysis on scattering light intensity and linear polarization degree variation in different humidity conditions of three types aerosol particle is carried out.The results show that relative humidity have little impact on aerosol particle scattering intensity,but it affects obviously at range of degree of polarization at range of backward scattering angle 120° ~150°;simulate on relative humidity and polarization degree of backscattering angle 130° and 140°,and it shows that the degree of polarization increases as the humidity increases.Simulation result shows using scattering light polarization characteristic to analyze the relationship of humidity and aerosol scattering characteristics is feasible.
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