A GNSS-R Soil Moisture Inversion Method Based on Multimodal Feature Fusion for the Yellow River Delta. - Dongmei Song; Yang Wang; Ronghan Xu; Bin Wang 010; Song Dai; Mei Yong; Sumiya Erdenesukh; Yuhai Bao (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2025)