Abstract: The prediction of frictional air resistance using the inherent properties of roadways is of great significance for ventilation network computation and flow regulation in underground mines.
Abstract: Pedestrian dead reckoning (PDR) using smartphones is a popular method for indoor localization. However, it encounters challenges due to the drift of position errors. While external resources ...
Add Yahoo as a preferred source to see more of our stories on Google. A Navy miniature is seen in front of displayed Chinese and Taiwanese flags in this illustration taken, April 11, 2023.
China said on Friday it firmly opposes any attempt by any country to undermine its sovereignty and security "under ‌the pretext ‌of freedom ‌of navigation", ⁠in response to ⁠a Canadian warship passing ...