Block diagram of a conventional radar system using a parabolic dish. In a phased array radar (PDF) system an array of antenna elements are used instead of the dish. These elements are phase ...

The near-$900 million structure, operated by the U.S. Missile Defense Agency (MDA), is by far the largest phased-array radar system on ... to the right or left (see diagram, opposite).

Doppler radar is an important tool meteorologists use to track where thunderstorms are occurring, how intense they are, and ...