Adaptive Voxel-Division Method of GNSS Water Vapor Tomography and Its Application in Data Assimilation. - Yongjie Ma; Qingzhi Zhao; Duoduo Jiang; Wanqiang Yao; Yibin Yao; Jinfang Yin; Hongwu Guo; Yuan Zhai; Ying Xu; Ruikun Wang; Qingfang Chen; Jingyu Zhang (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2025)