Learn how to quickly find duplicates in Excel, whether you’re comparing one list or two. This tutorial shows step-by-step methods for highlighting duplicate values, using formulas, and speeding up ...

Abstract: This paper proposes a connected array antenna mounted on an aircraft to detect the direction of signals emitted from high-speed moving objects. Considering the space and weight, It is ...

Abstract: A novel two-dimensional direction finding method is proposed and verified using a 4-element time modulated circular array (TMCA). The received signals from four antenna elements are ...