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Signal Processing for Aperture Arrays

Signal Processing for Aperture Arrays. AAVS1. 256 antenna elements distributed over 4 stations 64 elements each. AAVS1 Setup. 64 elements. Station 1. Station 2. Station 3. Station 4. Correlator. Station architecture. Receiver board. Digital processing board. X pol. Antennas.

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Signal Processing for Aperture Arrays

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  1. Signal Processing for Aperture Arrays

  2. AAVS1 • 256 antenna elementsdistributed over • 4 stations • 64 elementseach

  3. AAVS1 Setup 64 elements Station 1 Station 2 Station 3 Station 4 Correlator

  4. Station architecture Receiver board Digital processing board X pol. Antennas Y pol. Antennas Architecture: ADCs centrally

  5. APERTIF Hardware ADU UniBoard Expectedintegration date: January 2012

  6. APERTIF Numbers • ADU • 400-800 MHz (canbemodified) • Dual ADC withfmax=1 GHz • 8 bit • UniBoard • 16 signalpaths • Input bandwidth: 400 MHz • Output bandwidth: 40 beams of 300 MHz

  7. Requiredchangesfor AAVS1 • ADU filter removed • Sampling @ 1 GHz • UniBoard input bandwidth 1 GHz

  8. Correlator Canbe a set of single UniBoards, eachdoing a part of the band

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