Signal Processing for Aperture Arrays. AAVS1 256 antenna elements distributed over –4 stations –64 elements each.

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Presentation transcript:

Signal Processing for Aperture Arrays

AAVS1 256 antenna elements distributed over –4 stations –64 elements each

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

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

APERTIF Hardware Expected integration date: January 2012 ADU UniBoard

APERTIF Numbers ADU – MHz (can be modified) –Dual ADC with fmax=1 GHz –8 bit UniBoard –16 signal paths –Input bandwidth: 400 MHz –Output bandwidth: 40 beams of 300 MHz

Required changes for AAVS1 ADU filter removed 1 GHz UniBoard input bandwidth 1 GHz

Correlator Can be a set of single UniBoards, each doing a part of the band