Abstract: Global marine vertical deflection is essential for understanding Earth's internal mass and density distribution and improving the long-term inertial navigation accuracy of underwater ...
Observations from a global network of telescopes helped verify that NASA’s DART spacecraft successfully altered the orbit of the asteroid moon Dimorphos. The measurements confirmed the first planetary ...
Abstract: The permanent magnet bearing use the magnetic force generated by the permanent magnet to suspend the rotor, reducing the loss and failure caused by lubrication and friction in traditional ...