Antipodal Vivaldi antennas (AVAs) have emerged as a critical component in advanced wireless communication and sensing systems, owing to their inherently wide bandwidth, high gain and stable radiation ...

VIVALDI. No, you aren’t reading an article in Gramophone. This happens to be the name of a particular kind of broadband antenna, which is particularly useful at microwave frequencies and for ...

A radar can be used to locate a buried object. Therefor the radar should operate at low frequencies to be able to penetrate the medium the object is buried in and it should have a high spatial ...