During the final weeks of pregnancy, your baby’s head gradually moves deeper into your pelvis, preparing for birth. Foetal ...

Abstract: The hull deformation can be estimated by comparing the angular velocity outputs from two inertial navigation systems (INSs), whose estimation accuracy affects the large ship transfer ...

Though we know light travels at 299,792,458 m/s on average, scientists have never successfully measured its one-way speed — the problem lies in synchronizing clocks across distances without already ...

Abstract: This paper introduces a kind of high-precision far-field measurement system for antennas, which is based on pulse trigger and closed-loop control technology. The schematic structure and ...