An off-grid direction-of-arrival (DOA) estimation method based on block sparse representation is proposed to localize the strictly noncircular (NC) sources utilizing an extended transformed nested ...

This paper proposes an ultra-wideband Vivaldi array antenna. The Vivaldi antenna in the infinite array is designed based on the periodic boundary, whose operating bandwidth is range 0.27-6.18 GHz.

With a boost from e-bikes, these parents are "car-light," or even car-free — and loving it.

A 2024 Consumer Reports nationally representative survey found that about75 percent of Americans have used digital wallets and of those, about 4 in 10 use one every week.