Abstract: This paper presents the design of an Antipodal Vivaldi Antenna (AVA) including open elliptical stubs on either side to improve impedance matching at lower frequencies. The stubs further ...

Abstract: This paper presents the design and implementation of sector beam transmit (Tx) antennas for achieving wide detection coverage in a 79-GHz short-range radar (SRR) sensor for automotive or ...

“Contours of a World” at the Guggenheim Museum includes paintings as well as photography that suggests an alternate path. By Martha Schwendener The Washington National Opera said the “Wicked” composer ...

Not only is Fairfax City’s Fire Station 33 a modern, state-of-the-art facility, it’s also an award-winning one. And Fire Chief John O’Neal received that honor, on behalf of the Fire Department, at the ...