Abstract: In this letter, a machine learning-based algorithm, K-nearest neighbor, is employed to predict the actual patterns of the linear arrays with arbitrary positions and varied element numbers.

Abstract: Compared with the scalar array, the polarization-sensitive array (PSA) possesses a more powerful anti-jamming ability in adaptive array processing. However, each antenna of the traditional ...

This story was originally published by ProPublica. When the Pentagon announced a $620 million loan last year to a small North Carolina startup linked to Donald Trump Jr., defense officials and the ...

ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up to receive our biggest stories as soon as they’re published. When the Pentagon announced a $620 million loan last year to ...

Need some questions to ask a girl you are interested in getting to know better? Completely understandable—that ultra important getting-to-know-you stage of any friendship or relationship can feel ...