Yan, Jiang, Yiming Zhang, Siting Zhou, and Qikui Han. “Time-Frequency Feature Analysis of Human Motion Attitude in IMU-Based Pedestrian Dead Reckoning”. International Core Journal of Engineering 12, no. 4 (April 14, 2026): 439–451. Accessed August 15, 2026. https://icj-e.org/index.php/ojs/article/view/336.