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Get free access to the most comprehensive World Cup coverage in The Athletic app. Four years before he’ll captain the United States at a home World Cup, Tim Ream “made peace” with the likelihood that ...

Abstract: Geomagnetic navigation techniques have become a research hotspot due to their infrastructure-free characteristic, all-weather, and all-time availability. However, challenges such as the low ...

Abstract: The direct position determination (DPD) algorithm, which combines the parameter estimation and position calculation procedures together, has attracted significant attention due to its good ...