Fig. 1. Geometry of earth-space link.星地链路几何结构

Fig. 2. The detection of vertical rainfall field with earth-space link.星地链路探测垂直降雨场

Fig. 3. Scintillation attenuation, cloud attenuation, gas attenuation and rain attenuation with 10 mm/h and 20 mm/h rain rate in earth space link.星地链路闪烁衰减、云致衰减、气体衰减、雨强为10 mm/h和20 mm/h的雨致衰减

Fig. 4. The sketch of calculation of earth-space link rain attenuation.计算星地链路降雨衰减简易图

Fig. 5. The change of power law coefficients with elevation.幂律系数随仰角的变化

Fig. 6. The flow chart of vertical rainfall field inversion method.反演算法流程图

Fig. 7. Vertical rainfall field derived from the data of MRR: (a) rainfall field I; (b) rainfall field II; (c) rainfall field III.基于MRR实测资料构建的垂直降雨场　(a) 降雨场I; (b) 降雨场II; (c) 降雨场III

Fig. 8. Sketch of grid for rainfall field and detection of earth-space links.降雨场网格化和星地链路探测示意图

Fig. 9. Inversed vertical rainfall field: (a) Inversed field I with one earth station; (b) inversed field II with one earth station; (c) inversed field III with one earth station; (d) inversed field I with two earth stations; (e) inversed field II with two earth stations; (f) inversed field III with two earth stations; (g) inversed field I with three earth stations; (h) inversed field II with three earth stations; (i) inversed field III with three earth stations.垂直降雨场反演效果图　(a) 单地球站反演降雨场I; (b) 单地球站反演降雨场II; (c) 单地球站反演降雨场III; (d) 双地球站反演降雨场I; (e) 双地球站反演降雨场II; (f) 双地球站反演降雨场III; (g) 三地球站反演降雨场I; (h) 三地球站反演降雨场II; (i) 三地球站反演降雨场III

Fig. 10. The change of Euclidean distance with iterations: (a) Inversed field I with one earth station; (b) inversed field II with one earth station; (c) inversed field III with one earth station;(d) inversed field I with two earth stations; (e) inversed field II with two earth stations; (f) inversed field III with two earth stations;(g) inversed field I with three earth stations; (h) inversed field II with three earth stations; (i) inversed field III with three earth stations.欧氏距离随迭代次数的变化情况　(a) 单地球站反演降雨场I; (b) 单地球站反演降雨场II; (c) 单地球站反演降雨场III; (d) 双地球站反演降雨场I; (e) 双地球站反演降雨场II; (f) 双地球站反演降雨场III;(g) 三地球站反演降雨场I; (h) 三地球站反演降雨场II; (i) 三地球站反演降雨场III

Fig. 11. The change of entropy with iterations: (a) inversed field I with one earth station; (b) inversed field II with one earth station; (c) inversed field III with one earth station; (d) inversed field I with two earth stations; (e) inversed field II with two earth stations; (f) inversed field III with two earth stations; (g) inversed field I with three earth stations; (h) inversed field II with three earth stations; (i) inversed field III with three earth stations.欧氏距离随迭代次数的变化情况　(a) 单地球站反演降雨场I; (b) 单地球站反演降雨场II; (c) 单地球站反演降雨场III; (d) 双地球站反演降雨场I; (e) 双地球站反演降雨场II; (f) 双地球站反演降雨场III; (g) 三地球站反演降雨场I; (h) 三地球站反演降雨场II; (i) 三地球站反演降雨场III