Seventy years ago, a wrong number prompted the U.S. Air Force to begin issuing reports of St. Nick’s progress on Christmas ...
Abstract: With the rapid growth of technology in intelligent city networks, navigating inside complex buildings has become increasingly difficult. The indoor Global Positioning System (GPS), which ...
Abstract: Many in-motion coarse alignment methods have been proposed and have achieved good results for the strapdown inertial navigation system (SINS) aided by the global positioning system (GPS).
U.S. Marines prepare to board an MV-22B Osprey at Marine Corps Base Camp Pendleton, California, Sept. 17, 2025. (Cpl. Avery Wayland/U.S. Marine Corps) In the austere desert or island outpost of the ...