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根据Mie理论,对均匀系中矿物单粒子的非对称因子进行了数值计算,并分析了非对称因子与粒子尺度因子以及光学常数的关系.结果表明:可见光照射矿物粒子时,非对称因子随尺度因子增大而增大;光学常数的变化对非对称因子的影响不大.利用高斯拟合算法,给出了反映HG散射相函数中非对称因子与尺度因子和光学常数关系的定量表达式.
According to the Mie theory, the asymmetry factor of single minerals in a uniform system is numerically calculated and the relationship between the asymmetry factor and particle size factor and optical constants is analyzed. The results show that when the mineral particles are irradiated with visible light, the asymmetry factor varies with the scale The variation of optical constants has little effect on the asymmetry factor.The Gaussian fitting algorithm is used to obtain the quantitative expression of the relationship between the asymmetry factor and the scale factor and the optical constants in the HG scattering phase function.