Simulation on Improvement of Position Estimation Accuracy in Underwater Using MEMS IMU. - Junji Shimizu; Kenta Hata; Yoshikazu Koike; Hiroaki Morino; Eriko Enomoto; Masyhuri Husna; Noritaka Hirohashi; Etsuro Shimizu; Kunio Sakata (ICEIC, 2019)