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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 ).


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
“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
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Word History and Origins

Origin of phased array1

First recorded in 1930–35
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Example Sentences

Herein, the mixing technique utilizes an ultrasonic phased array, which creates a focal point where droplets can float randomly via irradiating ultrasonic waves from a 7 × 7 grid of ultrasonic transducers with phase-shifting.

Patriot, which stands for Phased Array Tracking Radar for Intercept on Target, is considered one of the most advanced air defense systems in the U.S. arsenal.

From Reuters

The Patriot, which stands for Phased Array Tracking Radar for Intercept on Target, is a theater-wide surface-to-air missile defense system built by Raytheon Technologies Corp and considered one of the most advanced air defense systems in the U.S. arsenal.

From Reuters

The entire system, which includes a phased array radar, a control station, computers and generators, typically requires about 90 soldiers to operate and maintain.

Power from the PV cells is converted to microwaves and fed to 1 billion small perpendicular antennas, which together act as a “phased array,” electronically steering the beam toward Earth whatever the satellite’s orientation.

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phase-contrast microscopephase diagram