Abstract: A millimeter-wave CMOS active vector-sum phase shifter (VSPS) with a phase resolution of 5.625° using a two-stage transformer-based resistor and inductor (RL) polyphase filter (PPF) for ...

Abstract: In this note, we develop an adaptive observer for a class of nonlinear systems with switched unknown parameters to estimate the states and parameters simultaneously. The main challenge lies ...

Manchester United defender Noussair Mazraoui participated in Morocco’s second group match of the Africa Cup of Nations. The defender assisted his side’s first goal against Comoros in the first game of ...

President Trump on Monday announced plans to build a new fleet of Navy battleships, anchoring what he called the Pentagon's "Golden Fleet." The president said he approved plans to begin constructing ...