AUTHOR=Dai Qing , Wan Ru , Han Shao-Yong , Xiao Guo-Rui TITLE=A novel adaptive Gaussian sum cubature Kalman filter with time-varying non-Gaussian noise for GNSS/SINS tightly coupled integrated navigation system JOURNAL=Frontiers in Astronomy and Space Sciences VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/astronomy-and-space-sciences/articles/10.3389/fspas.2025.1436270 DOI=10.3389/fspas.2025.1436270 ISSN=2296-987X