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利用沙尘暴粒子的介电常数模型，从Ｍｉｅ散射理论出发，应用Ｓｔｏｋｅｓ参量，对粒子尺寸为指数分布的沙尘介质的双基雷达反射率进行了研究，讨论了双基雷达反射率与频率、散射角、湿度和能见度的变化关系，并与雨介质的双基雷达反射率进行了比较．
Based on the Mie scattering theory, Stokes parameters are used to study the bistatic radar reflectivity of the sand dust medium with an exponential particle size distribution. Based on the Mie scattering theory, the reflectivity and frequency of the bistatic radar are discussed. Angle, humidity and visibility, and compared with the birefringence of rain media.