Abstract: For precision planar contouring control systems widely applied in industrial scenarios, additional contouring control action is usually added to two axes respectively to enhance contouring ...

Abstract: Aiming at the three-station time-difference-of-arrival (TDOA) positioning problem for targets with a fixed ellipsoidal heigh, this letter takes advantage of the fact that the influence of ...

After a 2020 breach thought to be Russia’s work, the courts told Congress that they would harden a system storing sealed documents. Five years later, the system was hacked again. By Mattathias ...

The ESA Gaia mission was used to create a survey of asteroids in our solars system. Credit: ESA Bank of America announces huge shift in Fed rate cut forecast Toddler Erupts in Tears After Learning ...