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基于地球物理模式函数SASSⅡ和CMOD2,仿真不同入射角及风速条件下电磁波海面后向散射系数随散射方位角的变化,分析了两种模式函数对应的逆风向和顺风向的后向散射系数差,并给出了相应的计算结果。提出了利用逆风向和顺风向后向散射系数差初步消除风向反演180°模糊的方法。
Based on the geophysical model functions SASSⅡ and CMOD2, the azimuths of backscattering coefficients of electromagnetic waves with different incident angles and wind speeds were simulated. The backscattering coefficient differences between the upwind and downwind directions of the two model functions were analyzed. And the corresponding calculation result is given. A method of eliminating 180 ° ambiguity by using wind direction inversion and downwind scattering coefficient difference is proposed.