Abstract: In this letter, a 28-GHz variable-gain phase shifter (VG-PS) with phase compensation designed using a Gilbert-cell-based vector summation amplifier integrated with a current-type ...

Abstract: In this study, a novel optimal tracker is developed for the linear quadratic tracking (LQT) problem using an output–feedback adaptive dynamic programming (ADP) framework. By leveraging the ...

The body of Johnathan Everett Boley, a 4-year-old boy who went missing in Alabama on New Year's Eve, has been found, authorities announced in a press conference on Friday afternoon. “We have located ...