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phased array

noun
  1. a radar antenna consisting of an array of dipoles that are excited in or out of phase with each other to control beam direction and radiation pattern without moving the antenna.Compare dipole(def 3).
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Origin of phased array

First recorded in 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for phased array

phased array

noun
  1. an array of radio antennae connected together to form a single antenna. The beam produced can be steered across the sky by adjusting the phases of the signals. The absence of moving parts enables the beams to be steered very rapidly, making it useful in radar
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012