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 ...

Look out, snowy roads on the Pennsylvania Turnpike-- you're about to meet the Super Plow. This week, Turnpike officials introduced the newest addition to their winter weather arsenal: The Super Plow, ...

Abstract: This paper presents a multi-objective optimization approach using Genetic Algorithms (GAs) to address the Airport Check-In Counter Allocation problem. A hybrid model balancing operational ...

1 Air Force Medical University Tangdu Hospital, Xi’an, China 2 Department of Gastroenterology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi’an, China Background: The WHO Surgical ...