In this article, a transmit-reflect-array antenna (TRA) is present to realize asymmetric bidirectional beams based on the non-interleaved metasurface. The reflected and transmitted beams work in the ...

Infrastructure is the stuff that makes life possible. But it's an eyesore. As early as the 1910s, Pittsburghers sought ways to hide it.

In this paper, a wideband light weight U-slot patch antenna array with wide L-probe feed for ultra-wideband radar to sound and image ice is developed. A prototype of 1×4 element array is fabricated ...