Earlier this month, Secretary of Homeland Security Kristi Noem made a sudden visit to Arizona to discuss “election security,” which she and other Trump administration officials have routinely claimed ...

Abstract: The reliable localization is essential for the efficiency and safety of autonomous underwater operations. In this study, we propose a novel localization framework centered on a strapdown ...

Sofia Minotti was surprised to receive a letter last October from her local elections office, saying she would be dropped from the voting rolls in 30 days unless she provided proof of her US ...

Abstract: When using terrain-aided navigation (TAN), terrain matching-related algorithms typically require high-precision initial position. However, in underwater navigation, strapdown inertial ...