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Antenna array may refer to:
- Antenna array (electromagnetic) a group of isotropic radiators such that the currents running through them are of different amplitudes and phases
- Interferometric array of radio telescopes used in radio astronomy
- Phased array, also known as a smart antenna, an electronically steerable directional antenna typically used in Radar and in wireless communication systems, in view to achieve beamforming, multiple-input and multiple-output (MIMO) communication or space-time coding
- Directional array refers to multiple antennas arranged such that the superposition of the electromagnetic waves produce a predictable electromagnetic field.
- Watson-Watt / Adcock antenna array the Watson-Watt technique uses two Adcock antenna pairs to perform an amplitude comparison on the incoming signal.
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