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Digital antenna array
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<p>Digital antenna array (DAA) is a <a href="/facts/Smart_antenna/3oVo8d4U">smart antenna</a> with multi channels digital <a href="/facts/Beamforming/4VpeHoGc">beamforming</a>, usually by using <a href="/facts/Fast_Fourier_transform/caT7UUCh">fast Fourier transform</a> (FFT). The development and practical realization of digital antenna arrays theory started in 1962 under the guidance of <a href="/facts/Vladimir_Varyukhin/Kv1Befd7">Vladimir Varyukhin</a> (<a href="/facts/USSR/m7wWsPto">USSR</a>). </p>